dnl *** DXR3 card ***
translit(dnm, m, l) AM_CONDITIONAL(USE_DXR3, true)
-GST_CHECK_FEATURE(DXR3, [DXR3 hardware mpeg video decoder], dxr3videosink, [
- AC_CHECK_HEADER(linux/em8300.h, HAVE_DXR3="yes", HAVE_DXR3="no")
+GST_CHECK_FEATURE(DXR3, [DXR3 hardware MPEG DVD decoder],
+ dxr3videosink dxr3audiosink dxr3spusink, [
+ HAVE_DXR3=yes
+ AC_CHECK_HEADER(linux/em8300.h, ,
+ [ AC_MSG_WARN([DXR3/em8300 header file not found]) &&
+ HAVE_DXR3=no ] )
+ AC_CHECK_HEADER(linux/soundcard.h, ,
+ [ AC_MSG_WARN([Generic sound header file not found]) &&
+ HAVE_DXR3=no ] )
])
dnl *** OSS audio ***
-plugindir = $(libdir)/gstreamer-@GST_MAJORMINOR@
+plugindir= $(libdir)/gstreamer-@GST_MAJORMINOR@
plugin_LTLIBRARIES = libgstdxr3.la
-libgstdxr3_la_SOURCES = gstdxr3videosink.c gstdxr3.c
+libgstdxr3_la_SOURCES = dxr3videosink.c dxr3audiosink.c dxr3spusink.c \
+ dxr3init.c ac3_padder.c dxr3marshal.c
libgstdxr3_la_CFLAGS = $(GST_CFLAGS)
libgstdxr3_la_LIBADD =
libgstdxr3_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
-noinst_HEADERS = gstdxr3videosink.h
+BUILT_SOURCES = dxr3marshal.c dxr3marshal.h
+built_headers = dxr3marshal.h
+
+noinst_HEADERS = dxr3videosink.h dxr3audiosink.h dxr3spusink.h \
+ dxr3common.h ac3_padder.h
+
+dxr3marshal.h: dxr3marshal.list
+ glib-genmarshal --header --prefix=dxr3_marshal $^ > dxr3marshal.h.tmp
+ mv dxr3marshal.h.tmp dxr3marshal.h
+
+dxr3marshal.c: dxr3marshal.list
+ echo "#include \"dxr3marshal.h\"" >> dxr3marshal.c.tmp
+ glib-genmarshal --body --prefix=dxr3_marshal $^ >> dxr3marshal.c.tmp
+ mv dxr3marshal.c.tmp dxr3marshal.c
--- /dev/null
+/* GStreamer
+ * Copyright (C) 2003 Martin Soto <martinsoto@users.sourceforge.net>
+ *
+ * ac3_padder.c: Pad AC3 frames for use with an SPDIF interface.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <stdio.h>
+#include <string.h>
+
+#include "ac3_padder.h"
+
+#define IEC61937_DATA_TYPE_AC3 1
+
+struct frmsize_s
+{
+ unsigned short bit_rate;
+ unsigned short frm_size[3];
+};
+
+
+static const struct frmsize_s frmsizecod_tbl[64] =
+ {
+ { 32 ,{64 ,69 ,96 } },
+ { 32 ,{64 ,70 ,96 } },
+ { 40 ,{80 ,87 ,120 } },
+ { 40 ,{80 ,88 ,120 } },
+ { 48 ,{96 ,104 ,144 } },
+ { 48 ,{96 ,105 ,144 } },
+ { 56 ,{112 ,121 ,168 } },
+ { 56 ,{112 ,122 ,168 } },
+ { 64 ,{128 ,139 ,192 } },
+ { 64 ,{128 ,140 ,192 } },
+ { 80 ,{160 ,174 ,240 } },
+ { 80 ,{160 ,175 ,240 } },
+ { 96 ,{192 ,208 ,288 } },
+ { 96 ,{192 ,209 ,288 } },
+ { 112 ,{224 ,243 ,336 } },
+ { 112 ,{224 ,244 ,336 } },
+ { 128 ,{256 ,278 ,384 } },
+ { 128 ,{256 ,279 ,384 } },
+ { 160 ,{320 ,348 ,480 } },
+ { 160 ,{320 ,349 ,480 } },
+ { 192 ,{384 ,417 ,576 } },
+ { 192 ,{384 ,418 ,576 } },
+ { 224 ,{448 ,487 ,672 } },
+ { 224 ,{448 ,488 ,672 } },
+ { 256 ,{512 ,557 ,768 } },
+ { 256 ,{512 ,558 ,768 } },
+ { 320 ,{640 ,696 ,960 } },
+ { 320 ,{640 ,697 ,960 } },
+ { 384 ,{768 ,835 ,1152 } },
+ { 384 ,{768 ,836 ,1152 } },
+ { 448 ,{896 ,975 ,1344 } },
+ { 448 ,{896 ,976 ,1344 } },
+ { 512 ,{1024 ,1114 ,1536 } },
+ { 512 ,{1024 ,1115 ,1536 } },
+ { 576 ,{1152 ,1253 ,1728 } },
+ { 576 ,{1152 ,1254 ,1728 } },
+ { 640 ,{1280 ,1393 ,1920 } },
+ { 640 ,{1280 ,1394 ,1920 } }
+ };
+
+
+
+/* Go one byte forward in the input buffer. */
+#define ac3p_in_fw(padder) ((padder)->in_ptr++, (padder)->remaining--)
+
+/* Go one byte forward in the output buffer. */
+#define ac3p_out_fw(padder) ((padder)->out_ptr++, (padder)->bytes_to_copy--)
+
+
+/**
+ * ac3p_init
+ * @padder: The padder structure to initialize.
+ *
+ * Initializes an AC3 stream padder. This structure can be
+ * subsequently used to parse an AC3 stream and convert it to IEC958
+ * (S/PDIF) padded packets.
+ */
+extern void
+ac3p_init(ac3_padder *padder)
+{
+ const char sync[4] = { 0x72, 0xF8, 0x1F, 0x4E };
+
+ padder->state = AC3P_STATE_SYNC1;
+
+ /* No material to read yet. */
+ padder->remaining = 0;
+
+ /* Initialize the sync bytes in the frame. */
+ memcpy(padder->frame.header, sync, 4);
+}
+
+
+/**
+ * ac3_push_data
+ * @padder The padder structure.
+ * @data A pointer to a buffer with new data to parse. This should
+ * correspond to a new piece of a stream containing raw AC3 data.
+ * @size The number of available bytes in the buffer.
+ *
+ * Pushes a new buffer of data to be parsed by the ac3 padder. The
+ * ac3_parse() function will actually parse the data and report when
+ * new frames are found. This funcion should only be called once at
+ * the beginning of the parsing process, or when the ac3_parse()
+ * function returns the %AC3P_EVENT_PUSH event.
+ */
+extern void
+ac3p_push_data(ac3_padder *padder, guchar *data, guint size)
+{
+ padder->in_ptr = data;
+ padder->remaining = size;
+}
+
+
+/**
+ * ac3p_parse
+ * @padder The padder structure.
+ *
+ * Parses the bytes already pushed into the padder structure (see
+ * ac3p_push_data()) and returns an event value depending on the
+ * results of the parsing.
+ *
+ * Returns: %AC3P_EVENT_FRAME to indicate that a new AC3 was found and
+ * padded for IEC958 transmission. This frame can be read inmediatly
+ * with ac3p_frame(). %AC3P_EVENT_PUSH to indicate that new data from
+ * the input stream must be pushed into the padder using
+ * ac3p_push_data(). This function should be called again after
+ * pushing the data.
+ */
+extern int
+ac3p_parse(ac3_padder *padder)
+{
+ while (padder->remaining > 0) {
+ switch (padder->state) {
+ case AC3P_STATE_SYNC1:
+ if (*(padder->in_ptr) == 0x0b) {
+ /* The first sync byte was found. Go to the next state. */
+ padder->frame.sync_byte1 = 0x0b;
+ padder->state = AC3P_STATE_SYNC2;
+ }
+ ac3p_in_fw(padder);
+ break;
+
+ case AC3P_STATE_SYNC2:
+ if (*(padder->in_ptr) == 0x77) {
+ /* The second sync byte was seen right after the first. Go to
+ the next state. */
+ padder->frame.sync_byte2 = 0x77;
+ padder->state = AC3P_STATE_HEADER;
+
+ /* Skip one byte. */
+ ac3p_in_fw(padder);
+
+ /* Prepare for reading the header. */
+ padder->out_ptr = (guchar *) &(padder->frame.crc1);
+ /* Discount the 2 sync bytes from the header size. */
+ padder->bytes_to_copy = AC3P_AC3_HEADER_SIZE - 2;
+ }
+ else {
+ /* The second sync byte was not seen. Go back to the
+ first state. */
+ padder->state = AC3P_STATE_SYNC1;
+ }
+ break;
+
+ case AC3P_STATE_HEADER:
+ if (padder->bytes_to_copy > 0) {
+ /* Copy one byte. */
+ *(padder->out_ptr) = *(padder->in_ptr);
+ ac3p_in_fw(padder);
+ ac3p_out_fw(padder);
+ }
+ else {
+ int fscod;
+
+ /* The header is ready: */
+
+ fscod = (padder->frame.code >> 6) & 0x03;
+
+ /* Calculate the frame size. */
+ padder->ac3_frame_size =
+ 2 * frmsizecod_tbl[padder->frame.code & 0x3f].frm_size[fscod];
+
+ /* Set up the IEC header. */
+ if (padder->ac3_frame_size > 0) {
+ padder->frame.header[4] = IEC61937_DATA_TYPE_AC3;
+ }
+ else {
+ /* Don't know what it is, better be careful. */
+ padder->state = AC3P_STATE_SYNC1;
+ break;
+ }
+ padder->frame.header[5] = 0x00;
+ padder->frame.header[6] = (padder->ac3_frame_size*8) & 0xFF;
+ padder->frame.header[7] = ((padder->ac3_frame_size*8) >> 8) & 0xFF;
+
+ /* Prepare for reading the body. */
+ padder->bytes_to_copy = padder->ac3_frame_size - AC3P_AC3_HEADER_SIZE;
+ padder->state = AC3P_STATE_CONTENT;
+ }
+ break;
+
+ case AC3P_STATE_CONTENT:
+ if (padder->bytes_to_copy > 0) {
+ /* Copy one byte. */
+ *(padder->out_ptr) = *(padder->in_ptr);
+ ac3p_in_fw(padder);
+ ac3p_out_fw(padder);
+ }
+ else {
+ guint16 *ptr, i;
+
+ /* Frame ready. Prepare for output: */
+
+ /* Zero the non AC3 portion of the padded frame. */
+ memset(&(padder->frame.sync_byte1) + padder->ac3_frame_size, 0,
+ AC3P_IEC_FRAME_SIZE - AC3P_IEC_HEADER_SIZE - padder->ac3_frame_size);
+
+ /* Fix the byte order in the AC3 portion: */
+ ptr = (guint16 *) &(padder->frame.sync_byte1);
+ i = padder->ac3_frame_size / 2;
+ while (i > 0) {
+ *ptr = GUINT16_TO_BE(*ptr);
+ ptr++;
+ i--;
+ }
+
+ /* Start over again. */
+ padder->state = AC3P_STATE_SYNC1;
+
+ return AC3P_EVENT_FRAME;
+ }
+ break;
+ }
+ }
+
+ return AC3P_EVENT_PUSH;
+}
+
--- /dev/null
+/* GStreamer
+ * Copyright (C) 2003 Martin Soto <martinsoto@users.sourceforge.net>
+ *
+ * ac3_padder.h: Pad AC3 frames for use with an SPDIF interface.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef AC3_PADDER_INC
+#define AC3_PADDER_INC
+
+#include <glib.h>
+
+
+/* Size of an IEC958 padded AC3 frame. */
+#define AC3P_IEC_FRAME_SIZE 6144
+/* Size of the IEC958 header. */
+#define AC3P_IEC_HEADER_SIZE 8
+/* Size of the AC3 header. */
+#define AC3P_AC3_HEADER_SIZE 7
+
+
+/* An IEC958 padded AC3 frame. */
+typedef struct {
+ /* IEC header. */
+ guchar header[AC3P_IEC_HEADER_SIZE];
+
+ /* Begin of AC3 header. */
+ guchar sync_byte1;
+ guchar sync_byte2;
+
+ guchar crc1[2];
+ guchar code;
+ guchar bsidmod;
+ guchar acmod;
+ /* End of AC3 header. */
+
+ unsigned char data[AC3P_IEC_FRAME_SIZE - AC3P_IEC_HEADER_SIZE
+ - AC3P_AC3_HEADER_SIZE];
+} ac3p_iec958_burst_frame;
+
+
+/* Possible states for the reading automaton: */
+
+/* Searching for sync byte 1. */
+#define AC3P_STATE_SYNC1 1
+/* Searching for sync byte 2. */
+#define AC3P_STATE_SYNC2 2
+/* Reading AC3 header. */
+#define AC3P_STATE_HEADER 3
+/* Reading packet contents.*/
+#define AC3P_STATE_CONTENT 4
+
+
+/* Events generated by the parse function: */
+
+/* The parser needs new data to be pushed. */
+#define AC3P_EVENT_PUSH 1
+/* There is a new padded frame ready to read from the padder structure. */
+#define AC3P_EVENT_FRAME 2
+
+
+/* The internal state for the padder. */
+typedef struct {
+ guint state; /* State of the reading automaton. */
+
+ guchar *in_ptr; /* Input pointer, marking the current
+ postion in the input buffer. */
+ guint remaining; /* The number of bytes remaining in the current
+ reading buffer. */
+
+ guchar *out_ptr; /* Output pointer, marking the current
+ position in the output frame. */
+ guint bytes_to_copy;
+ /* Number of bytes that still must be copied
+ to the output frame *during this reading
+ stage*. */
+
+ guint ac3_frame_size;
+ /* The size in bytes of the pure AC3 portion
+ of the current frame. */
+
+ ac3p_iec958_burst_frame frame;
+ /* The current output frame. */
+} ac3_padder;
+
+
+
+extern void
+ac3p_init(ac3_padder *padder);
+
+extern void
+ac3p_push_data(ac3_padder *padder, guchar *data, guint size);
+
+extern int
+ac3p_parse(ac3_padder *padder);
+
+
+/**
+ * ac3p_frame
+ * @padder The padder structure.
+ *
+ * Returns a pointer to the padded frame contained in the padder.
+ */
+#define ac3p_frame(padder) ((guint *) &((padder)->frame))
+
+/**
+ * ac3p_frame_size
+ * @padder The padder structure.
+ *
+ * Returns the length in bytes of the last read raw AC3 frame.
+ */
+#define ac3p_frame_size(padder) ((padder)->ac3_frame_size)
+
+
+#endif
--- /dev/null
+/* GStreamer
+ * Copyright (C) 2003 Martin Soto <martinsoto@users.sourceforge.net>
+ *
+ * dxr3audiosink.c: Audio sink for em8300 based DVD cards.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <errno.h>
+#include <string.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+
+#include <linux/soundcard.h>
+#include <linux/em8300.h>
+
+#include <gst/gst.h>
+
+#include "dxr3audiosink.h"
+#include "dxr3marshal.h"
+#include "dxr3common.h"
+
+/* Our only supported AC3 byte rate. */
+#define AC3_BYTE_RATE 48000
+
+/* Determines the amount of time to play the given number of bytes of
+ the original AC3 stream. The result is expressed as MPEG2. */
+#define TIME_FOR_BYTES(bytes) (((bytes) * 90) / 48)
+
+
+/* ElementFactory information. */
+static GstElementDetails dxr3audiosink_details = {
+ "dxr3/Hollywood+ mpeg decoder board audio plugin",
+ "audio/raw|a52",
+ "GPL",
+ "Feeds audio to Sigma Designs em8300 based boards",
+ VERSION,
+ "Martin Soto <martinsoto@users.sourceforge.net>",
+ "(C) 2003",
+};
+
+
+/* Dxr3AudioSink signals and args */
+enum {
+ SIGNAL_FLUSHED,
+ LAST_SIGNAL
+};
+
+enum {
+ ARG_0,
+ ARG_DIGITAL_PCM
+};
+
+
+GST_PAD_TEMPLATE_FACTORY (dxr3audiosink_pcm_sink_factory,
+ "pcm_sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_CAPS_NEW (
+ "dxr3audiosink_pcm_sink",
+ "audio/raw",
+ "format", GST_PROPS_STRING ("int"),
+ "law", GST_PROPS_INT (0),
+ "endianness", GST_PROPS_INT (G_BYTE_ORDER),
+ "signed", GST_PROPS_BOOLEAN (TRUE),
+ "width", GST_PROPS_INT (16),
+ "depth", GST_PROPS_INT (16),
+ "rate", GST_PROPS_LIST (
+ GST_PROPS_INT (32000),
+ GST_PROPS_INT (44100),
+ GST_PROPS_INT (48000),
+ GST_PROPS_INT (66000)
+ ),
+ "channels", GST_PROPS_INT (2)
+ )
+)
+
+GST_PAD_TEMPLATE_FACTORY (dxr3audiosink_ac3_sink_factory,
+ "ac3_sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_CAPS_NEW (
+ "dxr3audiosink_ac3_sink",
+ "audio/a52",
+ NULL
+ )
+)
+
+
+GST_PAD_EVENT_MASK_FUNCTION(dxr3audiosink_get_event_mask,
+ { GST_EVENT_FLUSH, 0 },
+ { GST_EVENT_DISCONTINUOUS, 0 },
+ { GST_EVENT_NEW_MEDIA, 0 },
+ { GST_EVENT_EOS, 0 }
+)
+
+
+static void dxr3audiosink_class_init (Dxr3AudioSinkClass *klass);
+static void dxr3audiosink_init (Dxr3AudioSink *sink);
+
+static void dxr3audiosink_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void dxr3audiosink_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec);
+
+static gboolean dxr3audiosink_open (Dxr3AudioSink *sink);
+static gboolean dxr3audiosink_set_mode_pcm (Dxr3AudioSink *sink);
+static gboolean dxr3audiosink_set_mode_ac3 (Dxr3AudioSink *sink);
+static void dxr3audiosink_close (Dxr3AudioSink *sink);
+static void dxr3audiosink_set_clock (GstElement *element,
+ GstClock *clock);
+
+static GstPadLinkReturn dxr3audiosink_pcm_sinklink (GstPad *pad,
+ GstCaps *caps);
+static void dxr3audiosink_set_scr (Dxr3AudioSink *sink,
+ guint32 scr);
+
+static gboolean dxr3audiosink_handle_event (GstPad *pad,
+ GstEvent *event);
+static void dxr3audiosink_chain_pcm (GstPad *pad,GstBuffer *buf);
+static void dxr3audiosink_chain_ac3 (GstPad *pad, GstBuffer *buf);
+
+/* static void dxr3audiosink_wait (Dxr3AudioSink *sink, */
+/* GstClockTime time); */
+/* static int dxr3audiosink_mvcommand (Dxr3AudioSink *sink, */
+/* int command); */
+
+static GstElementStateReturn dxr3audiosink_change_state (GstElement *element);
+
+static void dxr3audiosink_flushed (Dxr3AudioSink *sink);
+
+static GstElementClass *parent_class = NULL;
+static guint dxr3audiosink_signals[LAST_SIGNAL] = { 0 };
+
+
+extern GType
+dxr3audiosink_get_type (void)
+{
+ static GType dxr3audiosink_type = 0;
+
+ if (!dxr3audiosink_type) {
+ static const GTypeInfo dxr3audiosink_info = {
+ sizeof(Dxr3AudioSinkClass),
+ NULL,
+ NULL,
+ (GClassInitFunc) dxr3audiosink_class_init,
+ NULL,
+ NULL,
+ sizeof (Dxr3AudioSink),
+ 0,
+ (GInstanceInitFunc) dxr3audiosink_init,
+ };
+ dxr3audiosink_type = g_type_register_static (GST_TYPE_ELEMENT,
+ "Dxr3AudioSink",
+ &dxr3audiosink_info, 0);
+ }
+
+ return dxr3audiosink_type;
+}
+
+
+static void
+dxr3audiosink_class_init (Dxr3AudioSinkClass *klass)
+{
+ GObjectClass *gobject_class;
+ GstElementClass *gstelement_class;
+
+ gobject_class = (GObjectClass*)klass;
+ gstelement_class = (GstElementClass*)klass;
+
+ parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
+
+ dxr3audiosink_signals[SIGNAL_FLUSHED] =
+ g_signal_new ("flushed", G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (Dxr3AudioSinkClass, flushed),
+ NULL, NULL,
+ dxr3_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
+
+ klass->flushed = dxr3audiosink_flushed;
+
+ g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_DIGITAL_PCM,
+ g_param_spec_boolean ("digital-pcm", "Digital PCM",
+ "Use the digital output for PCM sound",
+ FALSE, G_PARAM_READWRITE));
+
+ gobject_class->set_property = dxr3audiosink_set_property;
+ gobject_class->get_property = dxr3audiosink_get_property;
+
+ gstelement_class->change_state = dxr3audiosink_change_state;
+ gstelement_class->set_clock = dxr3audiosink_set_clock;
+}
+
+
+static void
+dxr3audiosink_init (Dxr3AudioSink *sink)
+{
+ GstCaps *caps;
+ GstPadTemplate *temp;
+
+ /* Create the PCM pad. */
+ temp = GST_PAD_TEMPLATE_GET (dxr3audiosink_pcm_sink_factory);
+ sink->pcm_sinkpad = gst_pad_new_from_template (temp, "pcm_sink");
+ gst_pad_set_chain_function (sink->pcm_sinkpad, dxr3audiosink_chain_pcm);
+ gst_pad_set_link_function (sink->pcm_sinkpad, dxr3audiosink_pcm_sinklink);
+ gst_element_add_pad (GST_ELEMENT (sink), sink->pcm_sinkpad);
+
+ /* Create the AC3 pad. */
+ temp = GST_PAD_TEMPLATE_GET (dxr3audiosink_ac3_sink_factory);
+ sink->ac3_sinkpad = gst_pad_new_from_template (temp, "ac3_sink");
+ caps = gst_pad_template_get_caps (temp);
+ gst_pad_try_set_caps (sink->ac3_sinkpad, caps);
+ gst_caps_unref (caps);
+ gst_pad_set_chain_function (sink->ac3_sinkpad, dxr3audiosink_chain_ac3);
+ gst_element_add_pad (GST_ELEMENT (sink), sink->ac3_sinkpad);
+
+ GST_FLAG_SET (GST_ELEMENT(sink), GST_ELEMENT_EVENT_AWARE);
+ gst_pad_set_event_function (sink->pcm_sinkpad, dxr3audiosink_handle_event);
+ gst_pad_set_event_mask_function (sink->pcm_sinkpad,
+ dxr3audiosink_get_event_mask);
+ gst_pad_set_event_function (sink->ac3_sinkpad, dxr3audiosink_handle_event);
+ gst_pad_set_event_mask_function (sink->ac3_sinkpad,
+ dxr3audiosink_get_event_mask);
+
+ sink->card_number = 0;
+
+ sink->audio_filename = NULL;
+ sink->audio_fd = -1;
+
+ sink->control_filename = NULL;
+ sink->control_fd = -1;
+
+ /* Since we don't know any better, we set the initial scr to 0. */
+ sink->scr = 0;
+
+ /* Initially don't use digital output. */
+ sink->digital_pcm = FALSE;
+
+ /* Initially there's no padder.*/
+ sink->padder = NULL;
+
+ sink->mode = DXR3AUDIOSINK_MODE_NONE;
+}
+
+
+static void
+dxr3audiosink_set_property (GObject *object, guint prop_id,
+ const GValue *value, GParamSpec *pspec)
+{
+ Dxr3AudioSink *sink;
+
+ /* it's not null if we got it, but it might not be ours */
+ sink = DXR3AUDIOSINK (object);
+
+ switch (prop_id) {
+ case ARG_DIGITAL_PCM:
+ sink->digital_pcm = g_value_get_boolean (value);
+ /* Refresh the setup of the device. */
+ if (sink->mode == DXR3AUDIOSINK_MODE_PCM) {
+ dxr3audiosink_set_mode_pcm (sink);
+ }
+ g_object_notify (G_OBJECT (sink), "digital-pcm");
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+
+static void
+dxr3audiosink_get_property (GObject *object, guint prop_id,
+ GValue *value, GParamSpec *pspec)
+{
+ Dxr3AudioSink *sink;
+
+ /* it's not null if we got it, but it might not be ours */
+ g_return_if_fail (GST_IS_DXR3AUDIOSINK (object));
+
+ sink = DXR3AUDIOSINK (object);
+
+ switch (prop_id) {
+ case ARG_DIGITAL_PCM:
+ g_value_set_boolean (value, sink->digital_pcm);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+
+static gboolean
+dxr3audiosink_open (Dxr3AudioSink *sink)
+{
+ g_return_val_if_fail (!GST_FLAG_IS_SET (sink,
+ DXR3AUDIOSINK_OPEN), FALSE);
+
+ /* Compute the name of the audio device file. */
+ sink->audio_filename = g_strdup_printf ("/dev/em8300_ma-%d",
+ sink->card_number );
+
+ sink->audio_fd = open (sink->audio_filename, O_WRONLY);
+ if (sink->audio_fd < 0) {
+ gst_element_error (GST_ELEMENT (sink),
+ g_strconcat ("Error opening device file \"",
+ sink->audio_filename, "\": ",
+ g_strerror (errno), NULL));
+ return FALSE;
+ }
+
+ /* Open the control device. */
+ sink->control_filename = g_strdup_printf ("/dev/em8300-%d",
+ sink->card_number );
+
+ sink->control_fd = open (sink->control_filename, O_WRONLY);
+ if (sink->control_fd < 0) {
+ gst_element_error (GST_ELEMENT (sink),
+ g_strconcat ("Error opening device file \"",
+ sink->control_filename, "\": ",
+ g_strerror (errno), NULL));
+ return FALSE;
+ }
+
+ GST_FLAG_SET (sink, DXR3AUDIOSINK_OPEN);
+
+ dxr3audiosink_set_mode_pcm (sink);
+
+ return TRUE;
+}
+
+
+/**
+ * dxr3audiosink_set_mode:
+ * @sink: The sink element to operate on.
+ *
+ * Set the operation mode of the element to PCM.
+ */
+static gboolean
+dxr3audiosink_set_mode_pcm (Dxr3AudioSink *sink)
+{
+ int tmp, oss_mode, audiomode;
+
+ if (sink->audio_fd == -1 || sink->control_fd == -1) {
+ return FALSE;
+ }
+
+ /* Set the audio device mode. */
+ oss_mode = (G_BYTE_ORDER == G_BIG_ENDIAN ? AFMT_S16_BE : AFMT_S16_LE);
+ tmp = oss_mode;
+ if (ioctl (sink->audio_fd, SNDCTL_DSP_SETFMT, &tmp) < 0 ||
+ tmp != oss_mode) {
+ gst_element_error (GST_ELEMENT (sink),
+ g_strconcat ("Error configuring device mode for \"",
+ sink->audio_filename, "\": ",
+ g_strerror (errno), NULL));
+ return FALSE;
+ }
+
+ /* Set the card's general audio output mode. */
+ audiomode = sink->digital_pcm ?
+ EM8300_AUDIOMODE_DIGITALPCM : EM8300_AUDIOMODE_ANALOG;
+ ioctl (sink->control_fd, EM8300_IOCTL_SET_AUDIOMODE, &audiomode);
+
+ /* Set the sampling rate. */
+ tmp = sink->rate;
+ if (ioctl (sink->audio_fd, SNDCTL_DSP_SPEED, &tmp) < 0) {
+ gst_element_error (GST_ELEMENT (sink),
+ g_strconcat ("Error configuring device "
+ "sampling rate for \"",
+ sink->audio_filename, "\": ",
+ g_strerror (errno), NULL));
+ return FALSE;
+ }
+
+ /* Get rid of the padder, if any. */
+ if (sink->padder != NULL) {
+ g_free(sink->padder);
+ sink->padder = NULL;
+ }
+
+ sink->mode = DXR3AUDIOSINK_MODE_PCM;
+
+ return TRUE;
+}
+
+
+/**
+ * dxr3audiosink_set_mode:
+ * @sink: The sink element to operate on
+ *
+ * Set the operation mode of the element to AC3.
+ */
+static gboolean
+dxr3audiosink_set_mode_ac3 (Dxr3AudioSink *sink)
+{
+ int tmp, audiomode;
+
+ if (sink->audio_fd == -1 || sink->control_fd == -1) {
+ return FALSE;
+ }
+
+ /* Set the sampling rate. */
+ tmp = AC3_BYTE_RATE;
+ if (ioctl (sink->audio_fd, SNDCTL_DSP_SPEED, &tmp) < 0 ||
+ tmp != AC3_BYTE_RATE) {
+ gst_element_error (GST_ELEMENT (sink),
+ g_strconcat ("Error configuring device "
+ "sampling rate for \"",
+ sink->audio_filename, "\": ",
+ g_strerror (errno), NULL));
+ return FALSE;
+ }
+
+ /* Set the card's general audio output mode to AC3. */
+ audiomode = EM8300_AUDIOMODE_DIGITALAC3;
+ ioctl (sink->control_fd, EM8300_IOCTL_SET_AUDIOMODE, &audiomode);
+
+ /* Create a padder if necessary, */
+ if (sink->padder == NULL) {
+ sink->padder = g_malloc (sizeof(ac3_padder));
+ ac3p_init(sink->padder);
+ }
+
+ sink->mode = DXR3AUDIOSINK_MODE_AC3;
+
+ return TRUE;
+}
+
+
+static void
+dxr3audiosink_close (Dxr3AudioSink *sink)
+{
+ g_return_if_fail (GST_FLAG_IS_SET (sink, DXR3AUDIOSINK_OPEN));
+
+ if (close (sink->audio_fd) != 0) {
+ gst_element_error (GST_ELEMENT (sink),
+ g_strconcat ("Error closing file \"",
+ sink->audio_filename, "\": ",
+ g_strerror (errno), NULL));
+ return;
+ }
+
+ if (close (sink->control_fd) != 0) {
+ gst_element_error (GST_ELEMENT (sink),
+ g_strconcat ("Error closing file \"",
+ sink->control_filename, "\": ",
+ g_strerror (errno), NULL));
+ return;
+ }
+
+ GST_FLAG_UNSET (sink, DXR3AUDIOSINK_OPEN);
+
+ g_free (sink->audio_filename);
+ sink->audio_filename = NULL;
+
+ g_free (sink->control_filename);
+ sink->control_filename = NULL;
+
+ /* Get rid of the padder, if any. */
+ if (sink->padder != NULL) {
+ g_free(sink->padder);
+ sink->padder = NULL;
+ }
+}
+
+
+static void
+dxr3audiosink_set_clock (GstElement *element, GstClock *clock)
+{
+ Dxr3AudioSink *src = DXR3AUDIOSINK (element);
+
+ src->clock = clock;
+}
+
+
+static GstPadLinkReturn
+dxr3audiosink_pcm_sinklink (GstPad *pad, GstCaps *caps)
+{
+ Dxr3AudioSink *sink = DXR3AUDIOSINK (gst_pad_get_parent (pad));
+ const gchar* mimetype;
+ gint rate;
+
+ if (!GST_CAPS_IS_FIXED(caps)) {
+ return GST_PAD_LINK_DELAYED;
+ }
+
+ mimetype = gst_caps_get_mime(caps);
+ if (strcmp (mimetype, "audio/raw") != 0) {
+ return GST_PAD_LINK_REFUSED;
+ }
+
+ if (!gst_caps_has_property (caps, "rate")) {
+ return GST_PAD_LINK_REFUSED;
+ }
+
+ gst_caps_get_int (caps, "rate", &rate);
+ if (rate != 32000 && rate != 44100 &&
+ rate != 48000 && rate != 66000) {
+ return GST_PAD_LINK_DELAYED;
+ }
+ sink->rate = rate;
+
+ return GST_PAD_LINK_OK;
+}
+
+
+static void
+dxr3audiosink_set_scr (Dxr3AudioSink *sink, guint32 scr)
+{
+ guint32 zero = 0;
+
+/* fprintf (stderr, "====== Adjusting SCR\n"); */
+ ioctl (sink->control_fd, EM8300_IOCTL_SCR_SET, &zero);
+ ioctl (sink->control_fd, EM8300_IOCTL_SCR_SET, &scr);
+}
+
+
+static gboolean
+dxr3audiosink_handle_event (GstPad *pad, GstEvent *event)
+{
+ GstEventType type;
+ Dxr3AudioSink *sink = DXR3AUDIOSINK (gst_pad_get_parent (pad));
+
+ type = event ? GST_EVENT_TYPE (event) : GST_EVENT_UNKNOWN;
+
+ switch (type) {
+ case GST_EVENT_FLUSH:
+ if (sink->control_fd >= 0) {
+ unsigned audiomode;
+
+ if (sink->mode == DXR3AUDIOSINK_MODE_AC3) {
+ audiomode = EM8300_AUDIOMODE_DIGITALPCM;
+ ioctl (sink->control_fd, EM8300_IOCTL_SET_AUDIOMODE, &audiomode);
+ audiomode = EM8300_AUDIOMODE_DIGITALAC3;
+ ioctl (sink->control_fd, EM8300_IOCTL_SET_AUDIOMODE, &audiomode);
+ }
+
+ /* Report the flush operation. */
+ g_signal_emit (G_OBJECT (sink),
+ dxr3audiosink_signals[SIGNAL_FLUSHED], 0);
+ }
+ break;
+ default:
+ gst_pad_event_default (pad, event);
+ break;
+ }
+
+ return TRUE;
+}
+
+
+static void
+dxr3audiosink_chain_pcm (GstPad *pad, GstBuffer *buf)
+{
+ Dxr3AudioSink *sink;
+ gint bytes_written = 0;
+
+ g_return_if_fail (pad != NULL);
+ g_return_if_fail (GST_IS_PAD (pad));
+ g_return_if_fail (buf != NULL);
+
+ sink = DXR3AUDIOSINK (gst_pad_get_parent (pad));
+
+ if (GST_IS_EVENT (buf)) {
+ dxr3audiosink_handle_event (pad, GST_EVENT (buf));
+ return;
+ }
+
+ if (sink->mode != DXR3AUDIOSINK_MODE_PCM) {
+ /* Switch to PCM mode. */
+ dxr3audiosink_set_mode_pcm (sink);
+ }
+
+ if (GST_FLAG_IS_SET (sink, DXR3AUDIOSINK_OPEN)) {
+ if (GST_BUFFER_TIMESTAMP (buf) != GST_CLOCK_TIME_NONE) {
+ /* We have a new scr value. */
+ sink->scr = GSTTIME_TO_MPEGTIME (GST_BUFFER_TIMESTAMP (buf));
+ }
+
+ /* Update the system reference clock (SCR) in the card. */
+ {
+ unsigned in, out, odelay;
+ unsigned diff;
+
+ ioctl (sink->control_fd, EM8300_IOCTL_SCR_GET, &out);
+
+ ioctl (sink->audio_fd, SNDCTL_DSP_GETODELAY, &odelay);
+
+ in = MPEGTIME_TO_DXRTIME (sink->scr - (odelay * 90) / 192);
+ diff = in > out ? in - out : out - in;
+ if (diff > 1800) {
+ dxr3audiosink_set_scr (sink, in);
+ }
+ }
+
+ /* Update our SCR value. */
+ sink->scr += (unsigned) (GST_BUFFER_SIZE (buf) *
+ (90000.0 / ((float)sink->rate * 4)));
+
+ /* Write the buffer to the sound device. */
+ bytes_written = write (sink->audio_fd, GST_BUFFER_DATA (buf),
+ GST_BUFFER_SIZE (buf));
+ if (bytes_written < GST_BUFFER_SIZE (buf)) {
+ fprintf (stderr, "dxr3audiosink: Warning: %d bytes should be "
+ "written, only %d bytes written\n",
+ GST_BUFFER_SIZE (buf), bytes_written);
+ }
+ }
+
+ gst_buffer_unref (buf);
+}
+
+
+static void
+dxr3audiosink_chain_ac3 (GstPad *pad, GstBuffer *buf)
+{
+ Dxr3AudioSink *sink;
+ gint bytes_written = 0;
+
+ g_return_if_fail (pad != NULL);
+ g_return_if_fail (GST_IS_PAD (pad));
+ g_return_if_fail (buf != NULL);
+
+ sink = DXR3AUDIOSINK (gst_pad_get_parent (pad));
+
+ if (GST_IS_EVENT (buf)) {
+ dxr3audiosink_handle_event (pad, GST_EVENT (buf));
+ return;
+ }
+
+ if (sink->mode != DXR3AUDIOSINK_MODE_AC3) {
+ /* Switch to AC3 mode. */
+ dxr3audiosink_set_mode_ac3 (sink);
+ }
+
+ if (GST_FLAG_IS_SET (sink, DXR3AUDIOSINK_OPEN))
+ {
+ int event;
+
+ if (GST_BUFFER_TIMESTAMP (buf) != GST_CLOCK_TIME_NONE) {
+ /* We have a new scr value. */
+
+/* fprintf (stderr, "------ Audio Time %.04f\n", */
+/* (double) GST_BUFFER_TIMESTAMP (buf) / GST_SECOND); */
+
+ sink->scr = GSTTIME_TO_MPEGTIME (GST_BUFFER_TIMESTAMP (buf));
+ }
+
+ /* Push the new data into the padder. */
+ ac3p_push_data(sink->padder, GST_BUFFER_DATA (buf),
+ GST_BUFFER_SIZE (buf));
+
+ /* Parse the data. */
+ event = ac3p_parse (sink->padder);
+ while (event != AC3P_EVENT_PUSH) {
+ switch (event) {
+ case AC3P_EVENT_FRAME:
+ /* We have a new frame: */
+
+ /* Update the system reference clock (SCR) in the card. */
+ {
+ unsigned in, out, odelay;
+ unsigned diff;
+
+ ioctl (sink->control_fd, EM8300_IOCTL_SCR_GET, &out);
+
+ ioctl (sink->audio_fd, SNDCTL_DSP_GETODELAY, &odelay);
+ /* 192000 bytes/sec */
+
+ in = MPEGTIME_TO_DXRTIME (sink->scr - (odelay * 90) / 192);
+ diff = in > out ? in - out : out - in;
+ if (diff > 1800) {
+ dxr3audiosink_set_scr (sink, in);
+ }
+ }
+
+ /* Update our SCR value. */
+ sink->scr += TIME_FOR_BYTES (ac3p_frame_size (sink->padder));
+
+ /* Write the frame to the sound device. */
+ bytes_written = write (sink->audio_fd, ac3p_frame (sink->padder),
+ AC3P_IEC_FRAME_SIZE);
+
+ if (bytes_written < AC3P_IEC_FRAME_SIZE)
+ {
+ fprintf (stderr, "dxr3audiosink: Warning: %d bytes should be "
+ "written, only %d bytes written\n",
+ AC3P_IEC_FRAME_SIZE, bytes_written);
+ }
+
+ break;
+ }
+
+ event = ac3p_parse (sink->padder);
+ }
+ }
+
+ gst_buffer_unref(buf);
+}
+
+#if 0
+/**
+ * dxr3audiosink_wait:
+ * Make the sink wait the specified amount of time.
+ */
+static void
+dxr3audiosink_wait (Dxr3AudioSink *sink, GstClockTime time)
+{
+ GstClockID id;
+ GstClockTimeDiff jitter;
+ GstClockReturn ret;
+ GstClockTime current_time = gst_clock_get_time (sink->clock);
+
+ id = gst_clock_new_single_shot_id (sink->clock, current_time + time);
+ ret = gst_clock_id_wait (id, &jitter);
+ gst_clock_id_free (id);
+}
+
+
+static int
+dxr3audiosink_mvcommand (Dxr3AudioSink *sink, int command)
+{
+ em8300_register_t regs;
+
+ regs.microcode_register = 1;
+ regs.reg = 0;
+ regs.val = command;
+
+ return ioctl (sink->control_fd, EM8300_IOCTL_WRITEREG, ®s);
+}
+#endif
+
+static GstElementStateReturn
+dxr3audiosink_change_state (GstElement *element)
+{
+ g_return_val_if_fail (GST_IS_DXR3AUDIOSINK (element), GST_STATE_FAILURE);
+
+ if (GST_STATE_PENDING (element) == GST_STATE_NULL) {
+ if (GST_FLAG_IS_SET (element, DXR3AUDIOSINK_OPEN)) {
+ dxr3audiosink_close (DXR3AUDIOSINK (element));
+ }
+ }
+ else {
+ if (!GST_FLAG_IS_SET (element, DXR3AUDIOSINK_OPEN)) {
+ if (!dxr3audiosink_open (DXR3AUDIOSINK (element))) {
+ return GST_STATE_FAILURE;
+ }
+ }
+ }
+
+ if (GST_ELEMENT_CLASS (parent_class)->change_state) {
+ return GST_ELEMENT_CLASS (parent_class)->change_state (element);
+ }
+
+ return GST_STATE_SUCCESS;
+}
+
+
+/**
+ * dxr3audiosink_flushed:
+ *
+ * Default do nothing implementation for the "flushed" signal. The
+ * "flushed" signal will be fired right after flushing the hardware
+ * queues due to a received flush event
+ */
+static void
+dxr3audiosink_flushed (Dxr3AudioSink *sink)
+{
+ /* Do nothing. */
+}
+
+
+extern gboolean
+dxr3audiosink_factory_init (GstPlugin *plugin)
+{
+ GstElementFactory *factory;
+
+ factory = gst_element_factory_new ("dxr3audiosink",
+ GST_TYPE_DXR3AUDIOSINK,
+ &dxr3audiosink_details);
+ g_return_val_if_fail (factory != NULL, FALSE);
+ gst_element_factory_add_pad_template (factory,
+ GST_PAD_TEMPLATE_GET (dxr3audiosink_pcm_sink_factory));
+ gst_element_factory_add_pad_template (factory,
+ GST_PAD_TEMPLATE_GET (dxr3audiosink_ac3_sink_factory));
+
+ gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));
+
+ return TRUE;
+}
--- /dev/null
+/* GStreamer
+ * Copyright (C) 2003 Martin Soto <martinsoto@users.sourceforge.net>
+ *
+ * dxr3audiosink.h: Audio sink for em8300 based DVD cards.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __DXR3AUDIOSINK_H__
+#define __DXR3AUDIOSINK_H__
+
+#include <gst/gst.h>
+
+#include "ac3_padder.h"
+
+G_BEGIN_DECLS
+
+
+#define GST_TYPE_DXR3AUDIOSINK \
+ (dxr3audiosink_get_type())
+#define DXR3AUDIOSINK(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DXR3AUDIOSINK,Dxr3AudioSink))
+#define DXR3AUDIOSINK_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DXR3AUDIOSINK,Dxr3AudioSinkClass))
+#define GST_IS_DXR3AUDIOSINK(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DXR3AUDIOSINK))
+#define GST_IS_DXR3AUDIOSINK_CLASS(obj) \
+ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DXR3AUDIOSINK))
+
+
+typedef struct _Dxr3AudioSink Dxr3AudioSink;
+typedef struct _Dxr3AudioSinkClass Dxr3AudioSinkClass;
+
+
+typedef enum {
+ DXR3AUDIOSINK_OPEN = GST_ELEMENT_FLAG_LAST,
+ DXR3AUDIOSINK_FLAG_LAST = GST_ELEMENT_FLAG_LAST + 2,
+} Dxr3AudioSinkFlags;
+
+
+/* PCM or AC3? */
+typedef enum {
+ DXR3AUDIOSINK_MODE_NONE, /* No mode set. */
+ DXR3AUDIOSINK_MODE_AC3, /* AC3 out. */
+ DXR3AUDIOSINK_MODE_PCM, /* PCM out. */
+} Dxr3AudioSinkMode;
+
+
+/* Information for a delayed SCR set operation. */
+typedef struct {
+ struct _Dxr3AudioSink *sink;
+ guint32 scr;
+} Dxr3AudioSinkDelayedSCR;
+
+
+struct _Dxr3AudioSink {
+ GstElement element;
+
+ GstPad *pcm_sinkpad; /* The AC3 audio sink pad. */
+ GstPad *ac3_sinkpad; /* The PCM audio sink pad. */
+
+ int card_number; /* The number of the card to open. */
+
+ gchar *audio_filename; /* File name for the audio device. */
+ int audio_fd; /* File descriptor for the audio device. */
+
+ gchar *control_filename; /* File name for the control device. */
+ int control_fd; /* File descriptor for the control
+ device. */
+
+ guint64 scr; /* The current System Reference Clock value
+ for the audio stream. */
+
+ gboolean digital_pcm; /* Should PCM use the digital or the
+ analog output? */
+
+ Dxr3AudioSinkMode mode; /* The current sound output mode. */
+
+ gint rate; /* The sampling rate for PCM sound. */
+
+ ac3_padder *padder; /* AC3 to SPDIF padder object. */
+
+ GstClock *clock; /* The clock for this element. */
+};
+
+
+struct _Dxr3AudioSinkClass {
+ GstElementClass parent_class;
+
+ /* signals */
+ void (*flushed) (Dxr3AudioSink *sink);
+};
+
+
+extern GType dxr3audiosink_get_type (void);
+extern gboolean dxr3audiosink_factory_init (GstPlugin *plugin);
+
+G_END_DECLS
+
+#endif /* __DXR3AUDIOINK_H__ */
--- /dev/null
+/* GStreamer
+ * Copyright (C) 2003 Martin Soto <martinsoto@users.sourceforge.net>
+ *
+ * dxr3videosink.h: Common declarations for the DXR3 plugin.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __DXR3COMMON_H__
+#define __DXR3COMMON_H__
+
+/* Convert from GStreamer time to MPEG time. */
+#define GSTTIME_TO_MPEGTIME(time) (((time) * 9) / (GST_MSECOND/10))
+
+
+/* The em8300 driver expresses time in units of 1/45000 of second. */
+
+/* Convert from MPEG time to em8300 time. */
+#define MPEGTIME_TO_DXRTIME(time) ((guint32) ((time) >> 1))
+
+/* Convert from em8300 time to GStreamer time. */
+#define DXRTIME_TO_GSTTIME(time) \
+ ((GstClockTime) ((double) (time) * (((double) GST_MSECOND) / 45.0)))
+
+
+#endif /* __DXR3COMMON_H__ */
--- /dev/null
+/* GStreamer
+ * Copyright (C) 2003 Martin Soto <martinsoto@users.sourceforge.net>
+ *
+ * dxr3init.c: DXR3 plugin initialization.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include "dxr3videosink.h"
+#include "dxr3spusink.h"
+#include "dxr3audiosink.h"
+
+
+static gboolean
+plugin_init (GModule *module, GstPlugin *plugin)
+{
+ gboolean ret;
+
+ ret = dxr3videosink_factory_init (plugin);
+ g_return_val_if_fail (ret == TRUE, FALSE);
+
+ ret = dxr3spusink_factory_init (plugin);
+ g_return_val_if_fail (ret == TRUE, FALSE);
+
+ ret = dxr3audiosink_factory_init (plugin);
+ g_return_val_if_fail (ret == TRUE, FALSE);
+
+ return TRUE;
+}
+
+
+GstPluginDesc plugin_desc = {
+ GST_VERSION_MAJOR,
+ GST_VERSION_MINOR,
+ "dxr3",
+ plugin_init
+};
+
--- /dev/null
+VOID:VOID
+VOID:BOOLEAN
+VOID:POINTER
+VOID:UINT,UINT,UINT,UINT,UINT,UINT
+
--- /dev/null
+/* GStreamer
+ * Copyright (C) 2003 Martin Soto <martinsoto@users.sourceforge.net>
+ *
+ * dxr3spusink.h: Subpicture sink for em8300 based cards.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <errno.h>
+#include <string.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+
+#include <linux/em8300.h>
+
+#include <gst/gst.h>
+
+#include "dxr3spusink.h"
+#include "dxr3marshal.h"
+
+#include "dxr3common.h"
+
+
+/* ElementFactory information. */
+static GstElementDetails dxr3spusink_details = {
+ "dxr3/Hollywood+ mpeg decoder board subpicture element",
+ "video/mpeg",
+ "GPL",
+ "Feeds subpicture information to Sigma Designs em8300 based boards",
+ VERSION,
+ "Martin Soto <martinsoto@users.sourceforge.net>",
+ "(C) 2003",
+};
+
+
+/* Dxr3SpuSink signals and args */
+enum {
+ SET_CLUT_SIGNAL,
+ HIGHLIGHT_ON_SIGNAL,
+ HIGHLIGHT_OFF_SIGNAL,
+ SIGNAL_FLUSHED,
+ LAST_SIGNAL
+};
+
+enum {
+ ARG_0,
+};
+
+
+GST_PAD_TEMPLATE_FACTORY (dxr3spusink_sink_factory,
+ "sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_CAPS_NEW (
+ "dxr3spusink_sink",
+ "video/mpeg",
+ NULL
+ )
+);
+
+
+GST_PAD_EVENT_MASK_FUNCTION (dxr3spusink_get_event_mask,
+ { GST_EVENT_FLUSH, 0 },
+ { GST_EVENT_DISCONTINUOUS, 0 },
+ { GST_EVENT_NEW_MEDIA, 0 },
+ { GST_EVENT_EOS, 0 }
+)
+
+
+static void dxr3spusink_class_init (Dxr3SpuSinkClass *klass);
+static void dxr3spusink_init (Dxr3SpuSink *dxr3spusink);
+
+static void dxr3spusink_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void dxr3spusink_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec);
+
+static gboolean dxr3spusink_open (Dxr3SpuSink *sink);
+static void dxr3spusink_close (Dxr3SpuSink *sink);
+static void dxr3spusink_set_clock (GstElement *element,
+ GstClock *clock);
+
+static gboolean dxr3spusink_handle_event (GstPad *pad, GstEvent *event);
+static void dxr3spusink_chain (GstPad *pad,GstBuffer *buf);
+
+static GstElementStateReturn dxr3spusink_change_state (GstElement *element);
+
+/* static void dxr3spusink_wait (Dxr3SpuSink *sink, */
+/* GstClockTime time); */
+
+static void dxr3spusink_set_clut (Dxr3SpuSink *sink,
+ const guint32 *clut);
+static void dxr3spusink_highlight_on (Dxr3SpuSink *sink,
+ unsigned palette,
+ unsigned sx, unsigned sy,
+ unsigned ex, unsigned ey,
+ unsigned pts);
+static void dxr3spusink_highlight_off (Dxr3SpuSink *sink);
+
+static void dxr3spusink_flushed (Dxr3SpuSink *sink);
+
+
+static GstElementClass *parent_class = NULL;
+static guint dxr3spusink_signals[LAST_SIGNAL] = { 0 };
+
+
+GType
+dxr3spusink_get_type (void)
+{
+ static GType dxr3spusink_type = 0;
+
+ if (!dxr3spusink_type) {
+ static const GTypeInfo dxr3spusink_info = {
+ sizeof (Dxr3SpuSinkClass),
+ NULL,
+ NULL,
+ (GClassInitFunc)dxr3spusink_class_init,
+ NULL,
+ NULL,
+ sizeof (Dxr3SpuSink),
+ 0,
+ (GInstanceInitFunc)dxr3spusink_init,
+ };
+ dxr3spusink_type = g_type_register_static (GST_TYPE_ELEMENT,
+ "Dxr3SpuSink",
+ &dxr3spusink_info, 0);
+ }
+ return dxr3spusink_type;
+}
+
+
+static void
+dxr3spusink_class_init (Dxr3SpuSinkClass *klass)
+{
+ GObjectClass *gobject_class;
+ GstElementClass *gstelement_class;
+
+ gobject_class = (GObjectClass*)klass;
+ gstelement_class = (GstElementClass*)klass;
+
+ parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
+
+ dxr3spusink_signals[SET_CLUT_SIGNAL] =
+ g_signal_new ("set_clut",
+ G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (Dxr3SpuSinkClass, set_clut),
+ NULL, NULL,
+ dxr3_marshal_VOID__POINTER,
+ G_TYPE_NONE, 1,
+ G_TYPE_POINTER);
+
+ dxr3spusink_signals[HIGHLIGHT_ON_SIGNAL] =
+ g_signal_new ("highlight_on",
+ G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (Dxr3SpuSinkClass, highlight_on),
+ NULL, NULL,
+ dxr3_marshal_VOID__UINT_UINT_UINT_UINT_UINT_UINT,
+ G_TYPE_NONE, 6,
+ G_TYPE_UINT, G_TYPE_UINT, G_TYPE_UINT, G_TYPE_UINT,
+ G_TYPE_UINT, G_TYPE_UINT);
+
+ dxr3spusink_signals[HIGHLIGHT_OFF_SIGNAL] =
+ g_signal_new ("highlight_off",
+ G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (Dxr3SpuSinkClass, highlight_off),
+ NULL, NULL,
+ dxr3_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
+
+ dxr3spusink_signals[SIGNAL_FLUSHED] =
+ g_signal_new ("flushed", G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (Dxr3SpuSinkClass, flushed),
+ NULL, NULL,
+ dxr3_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
+
+ klass->set_clut = dxr3spusink_set_clut;
+ klass->highlight_on = dxr3spusink_highlight_on;
+ klass->highlight_off = dxr3spusink_highlight_off;
+ klass->flushed = dxr3spusink_flushed;
+
+ gobject_class->set_property = dxr3spusink_set_property;
+ gobject_class->get_property = dxr3spusink_get_property;
+
+ gstelement_class->change_state = dxr3spusink_change_state;
+ gstelement_class->set_clock = dxr3spusink_set_clock;
+}
+
+
+static void
+dxr3spusink_init (Dxr3SpuSink *sink)
+{
+ GstPad *pad;
+
+ pad = gst_pad_new_from_template (
+ GST_PAD_TEMPLATE_GET (dxr3spusink_sink_factory), "sink");
+ gst_element_add_pad (GST_ELEMENT (sink), pad);
+ gst_pad_set_chain_function (pad, dxr3spusink_chain);
+
+ GST_FLAG_SET (GST_ELEMENT (sink), GST_ELEMENT_EVENT_AWARE);
+ gst_pad_set_event_function (pad, dxr3spusink_handle_event);
+ gst_pad_set_event_mask_function (pad, dxr3spusink_get_event_mask);
+
+ sink->card_number = 0;
+
+ sink->spu_filename = NULL;
+ sink->spu_fd = -1;
+ sink->control_filename = NULL;
+ sink->control_fd = -1;
+
+ sink->clock = NULL;
+}
+
+
+static void
+dxr3spusink_set_property (GObject *object, guint prop_id,
+ const GValue *value, GParamSpec *pspec)
+{
+ Dxr3SpuSink *sink;
+
+ /* it's not null if we got it, but it might not be ours */
+ sink = DXR3SPUSINK (object);
+
+ switch (prop_id) {
+ default:
+ break;
+ }
+}
+
+
+static void
+dxr3spusink_get_property (GObject *object, guint prop_id,
+ GValue *value, GParamSpec *pspec)
+{
+ Dxr3SpuSink *sink;
+
+ /* it's not null if we got it, but it might not be ours */
+ g_return_if_fail (GST_IS_DXR3SPUSINK (object));
+
+ sink = DXR3SPUSINK (object);
+
+ switch (prop_id) {
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+
+static gboolean
+dxr3spusink_open (Dxr3SpuSink *sink)
+{
+ g_return_val_if_fail (!GST_FLAG_IS_SET (sink,
+ DXR3SPUSINK_OPEN), FALSE);
+
+ /* Compute the name of the spu device file. */
+ sink->spu_filename = g_strdup_printf ("/dev/em8300_sp-%d",
+ sink->card_number );
+
+ sink->spu_fd = open (sink->spu_filename, O_WRONLY);
+ if (sink->spu_fd < 0) {
+ gst_element_error (GST_ELEMENT (sink),
+ g_strconcat ("Error opening device file \"",
+ sink->spu_filename, "\": ",
+ g_strerror (errno), NULL));
+ return FALSE;
+ }
+
+ /* Open the control device. */
+ sink->control_filename = g_strdup_printf ("/dev/em8300-%d",
+ sink->card_number );
+
+ sink->control_fd = open (sink->control_filename, O_WRONLY);
+ if (sink->control_fd < 0) {
+ gst_element_error (GST_ELEMENT (sink),
+ g_strconcat ("Error opening device file \"",
+ sink->control_filename, "\": ",
+ g_strerror (errno), NULL));
+ return FALSE;
+ }
+
+ GST_FLAG_SET (sink, DXR3SPUSINK_OPEN);
+
+ return TRUE;
+}
+
+
+static void
+dxr3spusink_close (Dxr3SpuSink *sink)
+{
+ g_return_if_fail (GST_FLAG_IS_SET (sink, DXR3SPUSINK_OPEN));
+
+ if (close (sink->spu_fd) != 0) {
+ gst_element_error (GST_ELEMENT (sink),
+ g_strconcat ("Error closing file \"",
+ sink->spu_filename, "\": ",
+ g_strerror (errno), NULL));
+ return;
+ }
+
+ if (close (sink->control_fd) != 0)
+ {
+ gst_element_error (GST_ELEMENT (sink),
+ g_strconcat ("Error closing file \"",
+ sink->control_filename, "\": ",
+ g_strerror (errno), NULL));
+ return;
+ }
+
+ GST_FLAG_UNSET (sink, DXR3SPUSINK_OPEN);
+
+ free (sink->spu_filename);
+ sink->spu_filename = NULL;
+}
+
+
+static void
+dxr3spusink_set_clock (GstElement *element, GstClock *clock)
+{
+ Dxr3SpuSink *src = DXR3SPUSINK (element);
+
+ src->clock = clock;
+}
+
+
+static gboolean
+dxr3spusink_handle_event (GstPad *pad, GstEvent *event)
+{
+ GstEventType type;
+ Dxr3SpuSink *sink;
+
+ sink = DXR3SPUSINK (gst_pad_get_parent (pad));
+
+ type = event ? GST_EVENT_TYPE (event) : GST_EVENT_UNKNOWN;
+
+ switch (type) {
+ case GST_EVENT_FLUSH:
+ if (sink->control_fd >= 0) {
+ int subdevice;
+ subdevice = EM8300_SUBDEVICE_SUBPICTURE;
+ ioctl (sink->control_fd, EM8300_IOCTL_FLUSH, &subdevice);
+
+ /* FIXME: There should be a nicer way to do this, but I tried
+ everything and nothing else seems to really reset the video
+ fifo. */
+/* dxr3spusink_close (sink); */
+/* dxr3spusink_open (sink); */
+
+ /* Report the flush operation. */
+ g_signal_emit (G_OBJECT (sink),
+ dxr3spusink_signals[SIGNAL_FLUSHED], 0);
+ }
+ break;
+ default:
+ gst_pad_event_default (pad, event);
+ break;
+ }
+
+ return TRUE;
+}
+
+
+static void
+dxr3spusink_chain (GstPad *pad, GstBuffer *buf)
+{
+ Dxr3SpuSink *sink;
+ gint bytes_written = 0;
+
+ g_return_if_fail (pad != NULL);
+ g_return_if_fail (GST_IS_PAD (pad));
+ g_return_if_fail (buf != NULL);
+
+ sink = DXR3SPUSINK (gst_pad_get_parent (pad));
+
+ if (GST_IS_EVENT (buf)) {
+ dxr3spusink_handle_event (pad, GST_EVENT (buf));
+ return;
+ }
+
+ if (GST_FLAG_IS_SET (sink, DXR3SPUSINK_OPEN)) {
+ /* If we have PTS information for the SPU unit, register it now.
+ The card needs the PTS to be written *before* the actual data. */
+ if (GST_BUFFER_TIMESTAMP (buf) != GST_CLOCK_TIME_NONE) {
+ guint pts = (guint) GSTTIME_TO_MPEGTIME (GST_BUFFER_TIMESTAMP (buf));
+ ioctl (sink->spu_fd, EM8300_IOCTL_SPU_SETPTS, &pts);
+ }
+
+ bytes_written = write (sink->spu_fd, GST_BUFFER_DATA (buf),
+ GST_BUFFER_SIZE (buf));
+ if (bytes_written < GST_BUFFER_SIZE (buf)) {
+ fprintf (stderr, "dxr3spusink: Warning: %d bytes should be written,"
+ " only %d bytes written\n",
+ GST_BUFFER_SIZE (buf), bytes_written);
+ }
+ }
+
+ gst_buffer_unref (buf);
+}
+
+
+static GstElementStateReturn
+dxr3spusink_change_state (GstElement *element)
+{
+ g_return_val_if_fail (GST_IS_DXR3SPUSINK (element), GST_STATE_FAILURE);
+
+ switch (GST_STATE_TRANSITION (element)) {
+ case GST_STATE_NULL_TO_READY:
+ if (!GST_FLAG_IS_SET (element, DXR3SPUSINK_OPEN)) {
+ if (!dxr3spusink_open (DXR3SPUSINK (element))) {
+ return GST_STATE_FAILURE;
+ }
+ }
+ break;
+ case GST_STATE_READY_TO_PAUSED:
+ break;
+ case GST_STATE_PAUSED_TO_PLAYING:
+ break;
+ case GST_STATE_PLAYING_TO_PAUSED:
+ break;
+ case GST_STATE_PAUSED_TO_READY:
+ break;
+ case GST_STATE_READY_TO_NULL:
+ if (GST_FLAG_IS_SET (element, DXR3SPUSINK_OPEN)) {
+ dxr3spusink_close (DXR3SPUSINK (element));
+ }
+ break;
+ }
+
+ if (GST_ELEMENT_CLASS (parent_class)->change_state) {
+ return GST_ELEMENT_CLASS (parent_class)->change_state (element);
+ }
+
+ return GST_STATE_SUCCESS;
+}
+
+#if 0
+/**
+ * dxr3spusink_wait:
+ * Make the sink wait the specified amount of time.
+ */
+static void
+dxr3spusink_wait (Dxr3SpuSink *sink, GstClockTime time)
+{
+ GstClockID id;
+ GstClockTimeDiff jitter;
+ GstClockReturn ret;
+ GstClockTime current_time = gst_clock_get_time (sink->clock);
+
+ id = gst_clock_new_single_shot_id (sink->clock, current_time + time);
+ ret = gst_clock_id_wait (id, &jitter);
+ gst_clock_id_free (id);
+}
+#endif
+
+/**
+ * dxr3spusink_set_clut:
+ *
+ * Set a new SPU color lookup table (clut) in the dxr3 card.
+ */
+static void
+dxr3spusink_set_clut (Dxr3SpuSink *sink, const guint32 *clut)
+{
+ guint32 clut_fixed[16];
+ int i;
+
+ /* Fix the byte order of the table. */
+ for (i=0; i<16; i++) {
+ clut_fixed[i] = GUINT32_TO_LE (clut[i]);
+ }
+
+ if (ioctl (sink->spu_fd, EM8300_IOCTL_SPU_SETPALETTE, clut_fixed))
+ fprintf (stderr, "dxr3spusink: failed to set CLUT (%s)\n",
+ strerror (errno));
+}
+
+
+static void
+dxr3spusink_highlight_on (Dxr3SpuSink *sink, unsigned palette,
+ unsigned sx, unsigned sy,
+ unsigned ex, unsigned ey,
+ unsigned pts)
+{
+ em8300_button_t btn;
+
+ btn.color = palette >> 16;
+ btn.contrast = palette;
+ btn.left = sx;
+ btn.top = sy;
+ btn.right = ex;
+ btn.bottom = ey;
+
+ if (ioctl (sink->spu_fd, EM8300_IOCTL_SPU_BUTTON, &btn)) {
+ fprintf (stderr, "dxr3spusink: failed to set spu button (%s)\n",
+ strerror (errno));
+ }
+}
+
+
+static void
+dxr3spusink_highlight_off (Dxr3SpuSink *sink)
+{
+ if (ioctl (sink->spu_fd, EM8300_IOCTL_SPU_BUTTON, NULL)) {
+ fprintf (stderr, "dxr3spusink: failed to set spu button (%s)\n",
+ strerror (errno));
+ }
+}
+
+
+/**
+ * dxr3spusink_flushed:
+ *
+ * Default do nothing implementation for the "flushed" signal. The
+ * "flushed" signal will be fired right after flushing the hardware
+ * queues due to a received flush event
+ */
+static void
+dxr3spusink_flushed (Dxr3SpuSink *sink)
+{
+ /* Do nothing. */
+}
+
+
+extern gboolean
+dxr3spusink_factory_init (GstPlugin *plugin)
+{
+ GstElementFactory *factory;
+
+ factory = gst_element_factory_new ("dxr3spusink",
+ GST_TYPE_DXR3SPUSINK,
+ &dxr3spusink_details);
+ g_return_val_if_fail (factory != NULL, FALSE);
+ gst_element_factory_add_pad_template (factory,
+ GST_PAD_TEMPLATE_GET (dxr3spusink_sink_factory));
+
+ gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));
+
+ return TRUE;
+}
--- /dev/null
+/* GStreamer
+ * Copyright (C) 2003 Martin Soto <martinsoto@users.sourceforge.net>
+ *
+ * dxr3spusink.h: Subpicture sink for em8300 based cards.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __DXR3SPUSINK_H__
+#define __DXR3SPUSINK_H__
+
+#include <gst/gst.h>
+
+G_BEGIN_DECLS
+
+
+#define GST_TYPE_DXR3SPUSINK \
+ (dxr3spusink_get_type())
+#define DXR3SPUSINK(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DXR3SPUSINK,Dxr3SpuSink))
+#define DXR3SPUSINK_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DXR3SPUSINK,Dxr3SpuSinkClass))
+#define GST_IS_DXR3SPUSINK(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DXR3SPUSINK))
+#define GST_IS_DXR3SPUSINK_CLASS(obj) \
+ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DXR3SPUSINK))
+
+
+typedef struct _Dxr3SpuSink Dxr3SpuSink;
+typedef struct _Dxr3SpuSinkClass Dxr3SpuSinkClass;
+
+
+typedef enum {
+ DXR3SPUSINK_OPEN = GST_ELEMENT_FLAG_LAST,
+ DXR3SPUSINK_FLAG_LAST = GST_ELEMENT_FLAG_LAST + 2,
+} Dxr3SpuSinkFlags;
+
+
+struct _Dxr3SpuSink {
+ GstElement element;
+
+ int card_number; /* The number of the card to open. */
+
+ gchar *spu_filename; /* File name for the spu device. */
+ int spu_fd; /* File descriptor for the spu device. */
+
+ gchar *control_filename; /* File name for the control device. */
+ int control_fd; /* File descriptor for the control
+ device. */
+
+ GstClock *clock; /* The clock for this element. */
+};
+
+
+struct _Dxr3SpuSinkClass {
+ GstElementClass parent_class;
+
+ /* Signals */
+ void (*set_clut) (Dxr3SpuSink *sink, const guint32 *clut);
+ void (*highlight_on) (Dxr3SpuSink *sink, unsigned palette,
+ unsigned sx, unsigned sy,
+ unsigned ex, unsigned ey,
+ unsigned pts);
+ void (*highlight_off) (Dxr3SpuSink *sink);
+ void (*flushed) (Dxr3SpuSink *sink);
+};
+
+
+extern GType dxr3spusink_get_type (void);
+extern gboolean dxr3spusink_factory_init (GstPlugin *plugin);
+
+G_END_DECLS
+
+#endif /* __DXR3SPUSINK_H__ */
--- /dev/null
+/* GStreamer
+ * Copyright (C) 2003 Martin Soto <martinsoto@users.sourceforge.net>
+ *
+ * dxr3videosink.c: Video sink for em8300 based cards.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <errno.h>
+#include <string.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+
+#include <linux/em8300.h>
+
+#include <gst/gst.h>
+
+#include "dxr3videosink.h"
+#include "dxr3marshal.h"
+
+#include "dxr3common.h"
+
+
+/* ElementFactory information. */
+static GstElementDetails dxr3videosink_details = {
+ "dxr3/Hollywood+ mpeg decoder board video element",
+ "video/mpeg",
+ "GPL",
+ "Feeds MPEG2 video to Sigma Designs em8300 based boards",
+ VERSION,
+ "Martin Soto <martinsoto@users.sourceforge.net>",
+ "(C) 2003",
+};
+
+
+/* Dxr3VideoSink signals and args */
+enum {
+ SIGNAL_FLUSHED,
+ LAST_SIGNAL
+};
+
+enum {
+ ARG_0,
+};
+
+/* Possible states for the MPEG start code scanner. */
+enum {
+ SCAN_STATE_WAITING, /* Waiting for a code. */
+ SCAN_STATE_0, /* 0 seen. */
+ SCAN_STATE_00, /* 00 seen. */
+ SCAN_STATE_001 /* 001 seen. */
+};
+
+/* Possible states for the MPEG sequence parser. */
+enum {
+ PARSE_STATE_WAITING, /* Waiting for the start of a sequence. */
+ PARSE_STATE_START, /* Start of sequence seen. */
+ PARSE_STATE_PICTURE, /* Picture start seen. */
+};
+
+
+/* Relevant mpeg start codes. */
+#define START_CODE_PICTURE 0x00
+#define START_CODE_SEQUENCE_HEADER 0xB3
+#define START_CODE_SEQUENCE_END 0xB7
+
+
+GST_PAD_TEMPLATE_FACTORY (dxr3videosink_sink_factory,
+ "sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_CAPS_NEW (
+ "dxr3videosink_sink",
+ "video/mpeg",
+ "mpegversion", GST_PROPS_LIST (
+ GST_PROPS_INT (1),
+ GST_PROPS_INT (2)
+ ),
+ "systemstream", GST_PROPS_BOOLEAN (FALSE)
+ )
+)
+
+
+GST_PAD_EVENT_MASK_FUNCTION (dxr3videosink_get_event_mask,
+ { GST_EVENT_FLUSH, 0 },
+ { GST_EVENT_DISCONTINUOUS, 0 },
+ { GST_EVENT_NEW_MEDIA, 0 },
+ { GST_EVENT_EOS, 0 }
+)
+
+
+static void dxr3videosink_class_init (Dxr3VideoSinkClass *klass);
+static void dxr3videosink_init (Dxr3VideoSink *dxr3videosink);
+
+static void dxr3videosink_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void dxr3videosink_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec);
+
+static gboolean dxr3videosink_open (Dxr3VideoSink *sink);
+static void dxr3videosink_close (Dxr3VideoSink *sink);
+static void dxr3videosink_set_clock (GstElement *element,
+ GstClock *clock);
+
+static void dxr3videosink_reset_parser (Dxr3VideoSink *sink);
+static int dxr3videosink_next_start_code (Dxr3VideoSink *sink);
+static void dxr3videosink_discard_data (Dxr3VideoSink *sink,
+ guint cut);
+static void dxr3videosink_write_data (Dxr3VideoSink *sink,
+ guint cut);
+static void dxr3videosink_parse_data (Dxr3VideoSink *sink);
+
+static gboolean dxr3videosink_handle_event (GstPad *pad, GstEvent *event);
+static void dxr3videosink_chain (GstPad *pad,GstBuffer *buf);
+
+static GstElementStateReturn dxr3videosink_change_state (GstElement *element);
+
+/* static void dxr3videosink_wait (Dxr3VideoSink *sink, */
+/* GstClockTime time); */
+static int dxr3videosink_mvcommand (Dxr3VideoSink *sink,
+ int command);
+
+static void dxr3videosink_flushed (Dxr3VideoSink *sink);
+
+static GstElementClass *parent_class = NULL;
+static guint dxr3videosink_signals[LAST_SIGNAL] = { 0 };
+
+
+extern GType
+dxr3videosink_get_type (void)
+{
+ static GType dxr3videosink_type = 0;
+
+ if (!dxr3videosink_type) {
+ static const GTypeInfo dxr3videosink_info = {
+ sizeof (Dxr3VideoSinkClass),
+ NULL,
+ NULL,
+ (GClassInitFunc) dxr3videosink_class_init,
+ NULL,
+ NULL,
+ sizeof (Dxr3VideoSink),
+ 0,
+ (GInstanceInitFunc) dxr3videosink_init,
+ };
+ dxr3videosink_type = g_type_register_static (GST_TYPE_ELEMENT,
+ "Dxr3VideoSink",
+ &dxr3videosink_info, 0);
+ }
+
+ return dxr3videosink_type;
+}
+
+
+static void
+dxr3videosink_class_init (Dxr3VideoSinkClass *klass)
+{
+ GObjectClass *gobject_class;
+ GstElementClass *gstelement_class;
+
+ gobject_class = (GObjectClass*)klass;
+ gstelement_class = (GstElementClass*)klass;
+
+ parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
+
+ dxr3videosink_signals[SIGNAL_FLUSHED] =
+ g_signal_new ("flushed", G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (Dxr3VideoSinkClass, flushed),
+ NULL, NULL,
+ dxr3_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
+
+ klass->flushed = dxr3videosink_flushed;
+
+ gobject_class->set_property = dxr3videosink_set_property;
+ gobject_class->get_property = dxr3videosink_get_property;
+
+ gstelement_class->change_state = dxr3videosink_change_state;
+ gstelement_class->set_clock = dxr3videosink_set_clock;
+}
+
+
+static void
+dxr3videosink_init (Dxr3VideoSink *sink)
+{
+ GstPad *pad;
+
+ pad = gst_pad_new_from_template (
+ GST_PAD_TEMPLATE_GET (dxr3videosink_sink_factory), "sink");
+ gst_element_add_pad (GST_ELEMENT (sink), pad);
+ gst_pad_set_chain_function (pad, dxr3videosink_chain);
+
+ GST_FLAG_SET (GST_ELEMENT (sink), GST_ELEMENT_EVENT_AWARE);
+ gst_pad_set_event_function (pad, dxr3videosink_handle_event);
+ gst_pad_set_event_mask_function (pad, dxr3videosink_get_event_mask);
+
+ sink->card_number = 0;
+
+ sink->video_filename = NULL;
+ sink->video_fd = -1;
+ sink->control_filename = NULL;
+ sink->control_fd = -1;
+
+ sink->clock = NULL;
+
+ sink->last_ts = GST_CLOCK_TIME_NONE;
+
+ sink->cur_buf = NULL;
+ dxr3videosink_reset_parser (sink);
+}
+
+
+static void
+dxr3videosink_set_property (GObject *object, guint prop_id,
+ const GValue *value, GParamSpec *pspec)
+{
+ Dxr3VideoSink *sink;
+
+ /* it's not null if we got it, but it might not be ours */
+ sink = DXR3VIDEOSINK (object);
+
+ switch (prop_id) {
+ default:
+ break;
+ }
+}
+
+
+static void
+dxr3videosink_get_property (GObject *object, guint prop_id,
+ GValue *value, GParamSpec *pspec)
+{
+ Dxr3VideoSink *sink;
+
+ /* it's not null if we got it, but it might not be ours */
+ g_return_if_fail (GST_IS_DXR3VIDEOSINK (object));
+
+ sink = DXR3VIDEOSINK (object);
+
+ switch (prop_id) {
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+
+static gboolean
+dxr3videosink_open (Dxr3VideoSink *sink)
+{
+ g_return_val_if_fail (!GST_FLAG_IS_SET (sink,
+ DXR3VIDEOSINK_OPEN), FALSE);
+
+ /* Compute the name of the video device file. */
+ sink->video_filename = g_strdup_printf ("/dev/em8300_mv-%d",
+ sink->card_number );
+
+ sink->video_fd = open (sink->video_filename, O_WRONLY);
+ if (sink->video_fd < 0) {
+ gst_element_error (GST_ELEMENT (sink),
+ g_strconcat ("Error opening device file \"",
+ sink->video_filename, "\": ",
+ g_strerror (errno), NULL));
+ return FALSE;
+ }
+
+ /* Open the control device. */
+ sink->control_filename = g_strdup_printf ("/dev/em8300-%d",
+ sink->card_number );
+
+ sink->control_fd = open (sink->control_filename, O_WRONLY);
+ if (sink->control_fd < 0) {
+ gst_element_error (GST_ELEMENT (sink),
+ g_strconcat ("Error opening device file \"",
+ sink->control_filename, "\": ",
+ g_strerror (errno), NULL));
+ return FALSE;
+ }
+
+ GST_FLAG_SET (sink, DXR3VIDEOSINK_OPEN);
+
+ return TRUE;
+}
+
+
+static void
+dxr3videosink_close (Dxr3VideoSink *sink)
+{
+ g_return_if_fail (GST_FLAG_IS_SET (sink, DXR3VIDEOSINK_OPEN));
+
+ if (close (sink->video_fd) != 0)
+ {
+ gst_element_error (GST_ELEMENT (sink),
+ g_strconcat ("Error closing file \"",
+ sink->video_filename, "\": ",
+ g_strerror (errno), NULL));
+ return;
+ }
+
+ if (close (sink->control_fd) != 0)
+ {
+ gst_element_error (GST_ELEMENT (sink),
+ g_strconcat ("Error closing file \"",
+ sink->control_filename, "\": ",
+ g_strerror (errno), NULL));
+ return;
+ }
+
+ GST_FLAG_UNSET (sink, DXR3VIDEOSINK_OPEN);
+
+ free (sink->video_filename);
+ sink->video_filename = NULL;
+}
+
+
+static void
+dxr3videosink_set_clock (GstElement *element, GstClock *clock)
+{
+ Dxr3VideoSink *src = DXR3VIDEOSINK (element);
+
+ src->clock = clock;
+}
+
+
+static void
+dxr3videosink_reset_parser (Dxr3VideoSink *sink)
+{
+ if (sink->cur_buf != NULL) {
+ gst_buffer_unref (sink->cur_buf);
+ sink->cur_buf = NULL;
+ }
+ sink->cur_ts = GST_CLOCK_TIME_NONE;
+
+ sink->scan_state = SCAN_STATE_WAITING;
+ sink->scan_pos = 0;
+
+ sink->parse_state = PARSE_STATE_WAITING;
+}
+
+
+static int
+dxr3videosink_next_start_code (Dxr3VideoSink *sink)
+{
+ guchar c;
+
+ g_return_val_if_fail (sink->cur_buf != NULL, -1);
+
+ while (sink->scan_pos < GST_BUFFER_SIZE (sink->cur_buf)) {
+ c = (GST_BUFFER_DATA (sink->cur_buf))[sink->scan_pos];
+
+ switch (sink->scan_state) {
+ case SCAN_STATE_WAITING:
+ if (c == 0x00) {
+ sink->scan_state = SCAN_STATE_0;
+ }
+ break;
+ case SCAN_STATE_0:
+ if (c == 0x00) {
+ sink->scan_state = SCAN_STATE_00;
+ }
+ else {
+ sink->scan_state = SCAN_STATE_WAITING;
+ }
+ break;
+ case SCAN_STATE_00:
+ if (c == 0x01) {
+ sink->scan_state = SCAN_STATE_001;
+ }
+ else if (c != 0x00) {
+ sink->scan_state = SCAN_STATE_WAITING;
+ }
+ break;
+ case SCAN_STATE_001:
+ sink->scan_pos++;
+ sink->scan_state = SCAN_STATE_WAITING;
+ return c;
+ }
+
+ sink->scan_pos++;
+ }
+
+ return -1;
+}
+
+
+static void
+dxr3videosink_discard_data (Dxr3VideoSink *sink, guint cut)
+{
+ GstBuffer *sub;
+ guint size;
+
+ g_return_if_fail (sink->cur_buf != NULL);
+ g_assert (cut <= sink->scan_pos);
+
+ size = sink->scan_pos - cut;
+
+ g_return_if_fail (size <= GST_BUFFER_SIZE (sink->cur_buf));
+
+ if (GST_BUFFER_SIZE (sink->cur_buf) == size) {
+ gst_buffer_unref (sink->cur_buf);
+ sink->cur_buf = NULL;
+ }
+ else {
+ sub = gst_buffer_create_sub (sink->cur_buf, size,
+ GST_BUFFER_SIZE (sink->cur_buf)
+ - size);
+ gst_buffer_unref (sink->cur_buf);
+ sink->cur_buf = sub;
+ }
+
+ sink->scan_state = SCAN_STATE_WAITING;
+ sink->scan_pos = cut;
+
+ sink->cur_ts = GST_CLOCK_TIME_NONE;
+}
+
+
+static void
+dxr3videosink_write_data (Dxr3VideoSink *sink, guint cut)
+{
+ guint size, written;
+ guint8 *data;
+
+ g_return_if_fail (sink->cur_buf != NULL);
+
+ if (GST_FLAG_IS_SET (sink, DXR3VIDEOSINK_OPEN)) {
+ if (sink->cur_ts != GST_CLOCK_TIME_NONE) {
+ guint pts;
+
+/* fprintf (stderr, "------ Video Time %.04f\n", */
+/* (double) sink->cur_ts / GST_SECOND); */
+
+ pts = (guint) GSTTIME_TO_MPEGTIME (sink->cur_ts);
+ ioctl (sink->video_fd, EM8300_IOCTL_VIDEO_SETPTS, &pts);
+ sink->cur_ts = GST_CLOCK_TIME_NONE;
+ }
+
+ data = GST_BUFFER_DATA (sink->cur_buf);
+ size = sink->scan_pos - cut;
+
+ g_assert (size <= GST_BUFFER_SIZE (sink->cur_buf));
+
+ /* We should always write data that corresponds to whole MPEG
+ video sintactical elements. They should always start with an
+ MPEG start code. */
+ g_assert (size >= 4 && data[0] == 0 && data[1] == 0 && data[2] == 1);
+
+ while (size > 0) {
+ written = write (sink->video_fd, data, size);
+ if (written < 0) {
+ gst_element_error (GST_ELEMENT (sink), "Writing to %s: %s",
+ sink->video_filename, strerror (errno));
+ break;
+ }
+ size = size - written;
+ data = data + written;
+ };
+ }
+
+ dxr3videosink_discard_data (sink, cut);
+}
+
+
+static void
+dxr3videosink_parse_data (Dxr3VideoSink *sink)
+{
+ int code;
+
+ /* Timestamp handling assumes that timestamps are associated to
+ sequence starts. This seems to be the case, at least for
+ DVDs. */
+
+ code = dxr3videosink_next_start_code (sink);
+ while (code >= 0) {
+ switch (sink->parse_state) {
+
+ case PARSE_STATE_WAITING:
+ if (code == START_CODE_SEQUENCE_HEADER) {
+ dxr3videosink_discard_data (sink, 4);
+ sink->parse_state = PARSE_STATE_START;
+ sink->cur_ts = sink->last_ts;
+ }
+ break;
+
+ case PARSE_STATE_START:
+ switch (code) {
+ case START_CODE_SEQUENCE_HEADER:
+ dxr3videosink_discard_data (sink, 4);
+ sink->cur_ts = sink->last_ts;
+ break;
+ case START_CODE_SEQUENCE_END:
+ dxr3videosink_discard_data (sink, 0);
+ sink->parse_state = PARSE_STATE_WAITING;
+ break;
+ case START_CODE_PICTURE:
+ sink->parse_state = PARSE_STATE_PICTURE;
+ break;
+ }
+ break;
+
+ case PARSE_STATE_PICTURE:
+ switch (code) {
+ case START_CODE_SEQUENCE_HEADER:
+ dxr3videosink_write_data (sink, 4);
+ sink->parse_state = PARSE_STATE_START;
+ sink->cur_ts = sink->last_ts;
+ break;
+ case START_CODE_SEQUENCE_END:
+ dxr3videosink_write_data (sink, 0);
+ sink->parse_state = PARSE_STATE_WAITING;
+ break;
+ case START_CODE_PICTURE:
+ dxr3videosink_write_data (sink, 4);
+ break;
+ }
+ break;
+
+ }
+
+ code = dxr3videosink_next_start_code (sink);
+ }
+
+ if (sink->parse_state == PARSE_STATE_WAITING) {
+ dxr3videosink_discard_data (sink, 0);
+ }
+}
+
+
+static gboolean
+dxr3videosink_handle_event (GstPad *pad, GstEvent *event)
+{
+ GstEventType type;
+ Dxr3VideoSink *sink;
+
+ sink = DXR3VIDEOSINK (gst_pad_get_parent (pad));
+
+ type = event ? GST_EVENT_TYPE (event) : GST_EVENT_UNKNOWN;
+
+ switch (type) {
+ case GST_EVENT_EMPTY:
+ //fprintf (stderr, "++++++ Video empty event\n");
+ {
+ /* FIXME: Handle this with a discontinuity or something. */
+ /* Write an MPEG2 sequence end code, to ensure that the card
+ actually displays the last picture. Apparently some DVDs are
+ encoded without proper sequence end codes. */
+ static guint8 sec[4] = { 0x00, 0x00, 0x01, 0xb7 };
+
+ if (sink->cur_buf != NULL) {
+ dxr3videosink_write_data (sink, 0);
+ }
+
+ write (sink->video_fd, &sec, 4);
+ }
+ break;
+
+ case GST_EVENT_DISCONTINUOUS:
+ //fprintf (stderr, "++++++ Video discont event\n");
+ {
+ gint64 time;
+ gboolean has_time;
+ unsigned cur_scr, mpeg_scr, diff;
+
+ has_time = gst_event_discont_get_value (event,
+ GST_FORMAT_TIME,
+ &time);
+ if (has_time) {
+/* fprintf (stderr, "^^^^^^ Discontinuous event has time %.4f\n", */
+/* (double) time / GST_SECOND); */
+
+ /* If the SCR in the card is way off, fix it. */
+ ioctl (sink->control_fd, EM8300_IOCTL_SCR_GET, &cur_scr);
+ mpeg_scr = MPEGTIME_TO_DXRTIME (GSTTIME_TO_MPEGTIME (time));
+
+ diff = cur_scr > mpeg_scr ? cur_scr - mpeg_scr : mpeg_scr - cur_scr;
+ if (diff > 1800) {
+ unsigned zero = 0;
+/* fprintf (stderr, "====== Adjusting SCR from video\n"); */
+
+ ioctl (sink->control_fd, EM8300_IOCTL_SCR_SET, &zero);
+ ioctl (sink->control_fd, EM8300_IOCTL_SCR_SET, &mpeg_scr);
+ }
+ }
+ else {
+/* fprintf (stderr, "^^^^^^ Discontinuous event has no time\n"); */
+ }
+ }
+ break;
+
+ case GST_EVENT_FLUSH:
+ dxr3videosink_reset_parser (sink);
+ break;
+
+ default:
+ gst_pad_event_default (pad, event);
+ break;
+ }
+
+ return TRUE;
+}
+
+
+static void
+dxr3videosink_chain (GstPad *pad, GstBuffer *buf)
+{
+ Dxr3VideoSink *sink;
+ GstBuffer *merged;
+
+ g_return_if_fail (pad != NULL);
+ g_return_if_fail (GST_IS_PAD (pad));
+ g_return_if_fail (buf != NULL);
+
+ sink = DXR3VIDEOSINK (gst_pad_get_parent (pad));
+
+ if (GST_IS_EVENT (buf)) {
+ dxr3videosink_handle_event (pad, GST_EVENT (buf));
+ return;
+ }
+
+/* fprintf (stderr, "^^^^^^ Video block\n"); */
+
+ if (sink->cur_buf == NULL) {
+ sink->cur_buf = buf;
+ }
+ else {
+ merged = gst_buffer_merge (sink->cur_buf, buf);
+ gst_buffer_unref (sink->cur_buf);
+ gst_buffer_unref (buf);
+ sink->cur_buf = merged;
+ }
+
+ sink->last_ts = GST_BUFFER_TIMESTAMP (buf);
+
+ dxr3videosink_parse_data (sink);
+}
+
+
+static GstElementStateReturn
+dxr3videosink_change_state (GstElement *element)
+{
+ g_return_val_if_fail (GST_IS_DXR3VIDEOSINK (element), GST_STATE_FAILURE);
+
+ switch (GST_STATE_TRANSITION (element)) {
+ case GST_STATE_NULL_TO_READY:
+ if (!GST_FLAG_IS_SET (element, DXR3VIDEOSINK_OPEN)) {
+ if (!dxr3videosink_open (DXR3VIDEOSINK (element))) {
+ return GST_STATE_FAILURE;
+ }
+ }
+ break;
+ case GST_STATE_READY_TO_PAUSED:
+ dxr3videosink_mvcommand (DXR3VIDEOSINK (element), MVCOMMAND_PAUSE);
+ break;
+ case GST_STATE_PAUSED_TO_PLAYING:
+ dxr3videosink_mvcommand (DXR3VIDEOSINK (element), MVCOMMAND_START);
+ break;
+ case GST_STATE_PLAYING_TO_PAUSED:
+ dxr3videosink_mvcommand (DXR3VIDEOSINK (element), MVCOMMAND_PAUSE);
+ break;
+ case GST_STATE_PAUSED_TO_READY:
+ dxr3videosink_mvcommand (DXR3VIDEOSINK (element), MVCOMMAND_STOP);
+ break;
+ case GST_STATE_READY_TO_NULL:
+ if (GST_FLAG_IS_SET (element, DXR3VIDEOSINK_OPEN)) {
+ dxr3videosink_close (DXR3VIDEOSINK (element));
+ }
+ break;
+ }
+
+ if (GST_ELEMENT_CLASS (parent_class)->change_state) {
+ return GST_ELEMENT_CLASS (parent_class)->change_state (element);
+ }
+
+ return GST_STATE_SUCCESS;
+}
+
+#if 0
+/**
+ * dxr3videosink_wait:
+ * Make the sink wait the specified amount of time.
+ */
+static void
+dxr3videosink_wait (Dxr3VideoSink *sink, GstClockTime time)
+{
+ GstClockID id;
+ GstClockTimeDiff jitter;
+ GstClockReturn ret;
+ GstClockTime current_time = gst_clock_get_time (sink->clock);
+
+ id = gst_clock_new_single_shot_id (sink->clock, current_time + time);
+ ret = gst_clock_id_wait (id, &jitter);
+ gst_clock_id_free (id);
+}
+#endif
+
+/**
+ * dxr3videosink_mvcommand
+ *
+ * Send an MVCOMMAND to the card.
+ */
+static int
+dxr3videosink_mvcommand (Dxr3VideoSink *sink, int command)
+{
+ em8300_register_t regs;
+
+ regs.microcode_register = 1;
+ regs.reg = 0;
+ regs.val = command;
+
+ return ioctl (sink->control_fd, EM8300_IOCTL_WRITEREG, ®s);
+}
+
+
+/**
+ * dxr3videosink_flushed:
+ *
+ * Default do nothing implementation for the "flushed" signal. The
+ * "flushed" signal will be fired right after flushing the hardware
+ * queues due to a received flush event
+ */
+static void
+dxr3videosink_flushed (Dxr3VideoSink *sink)
+{
+ /* Do nothing. */
+}
+
+
+extern gboolean
+dxr3videosink_factory_init (GstPlugin *plugin)
+{
+ GstElementFactory *factory;
+
+ factory = gst_element_factory_new ("dxr3videosink",
+ GST_TYPE_DXR3VIDEOSINK,
+ &dxr3videosink_details);
+ g_return_val_if_fail (factory != NULL, FALSE);
+ gst_element_factory_add_pad_template (factory,
+ GST_PAD_TEMPLATE_GET (dxr3videosink_sink_factory));
+
+ gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));
+
+ return TRUE;
+}
--- /dev/null
+/* GStreamer
+ * Copyright (C) 2003 Martin Soto <martinsoto@users.sourceforge.net>
+ *
+ * dxr3videosink.h: Video sink for em8300 based cards.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __DXR3VIDEOSINK_H__
+#define __DXR3VIDEOSINK_H__
+
+#include <gst/gst.h>
+
+G_BEGIN_DECLS
+
+
+#define GST_TYPE_DXR3VIDEOSINK \
+ (dxr3videosink_get_type())
+#define DXR3VIDEOSINK(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DXR3VIDEOSINK,Dxr3VideoSink))
+#define DXR3VIDEOSINK_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DXR3VIDEOSINK,Dxr3VideoSinkClass))
+#define GST_IS_DXR3VIDEOSINK(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DXR3VIDEOSINK))
+#define GST_IS_DXR3VIDEOSINK_CLASS(obj) \
+ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DXR3VIDEOSINK))
+
+
+typedef struct _Dxr3VideoSink Dxr3VideoSink;
+typedef struct _Dxr3VideoSinkClass Dxr3VideoSinkClass;
+
+
+typedef enum {
+ DXR3VIDEOSINK_OPEN = GST_ELEMENT_FLAG_LAST,
+ DXR3VIDEOSINK_FLAG_LAST = GST_ELEMENT_FLAG_LAST + 2,
+} Dxr3VideoSinkFlags;
+
+
+struct _Dxr3VideoSink {
+ GstElement element;
+
+ int card_number; /* The number of the card to open. */
+
+ gchar *video_filename; /* File name for the video device. */
+ int video_fd; /* File descriptor for the video device. */
+
+ gchar *control_filename; /* File name for the control device. */
+ int control_fd; /* File descriptor for the control
+ device. */
+
+ GstClock *clock; /* The clock for this element. */
+
+ GstClockTime last_ts; /* Last timestamp received. */
+
+ GstBuffer *cur_buf; /* The buffer we are currently
+ building. */
+ GstClockTime cur_ts; /* Timestamp associated to the
+ current buffer. */
+
+ guchar scan_state; /* The current state of the MPEG start
+ code scanner. */
+ guint scan_pos; /* The current position of the MPEG
+ start code scanner (with respect to
+ the start of the current buffer. */
+
+ guchar parse_state; /* The current state of the MPEG
+ sequence parser. */
+};
+
+
+struct _Dxr3VideoSinkClass {
+ GstElementClass parent_class;
+
+ /* signals */
+ void (*flushed) (Dxr3VideoSink *sink);
+};
+
+
+extern GType dxr3videosink_get_type (void);
+extern gboolean dxr3videosink_factory_init (GstPlugin *plugin);
+
+G_END_DECLS
+
+#endif /* __DXR3VIDEOSINK_H__ */
+++ /dev/null
-#include "gstdxr3videosink.h"
-
-/* elementfactory information */
-static GstElementDetails dxr3_video_sink_details = {
- "dxr3/Hollywood+ mpeg decoder board plugin",
- "video/mpeg",
- "GPL",
- "Outputs PAL/NTSC video via the dxr3/Hollywood+ mpeg decoder board",
- VERSION,
- "Rehan Khwaja <rehankhwaja@yahoo.com>",
- "(C) 2002",
-};
-
-
-static gboolean
-plugin_init (GModule *module, GstPlugin *plugin)
-{
- GstElementFactory *video_factory;
-
- video_factory = gst_element_factory_new("dxr3videosink", GST_TYPE_DXR3_VIDEO_SINK, &dxr3_video_sink_details);
- g_return_val_if_fail(video_factory != NULL, FALSE);
-
- gst_element_factory_add_pad_template (video_factory, GST_PAD_TEMPLATE_GET (dxr3_video_sink_factory));
-
- gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (video_factory));
-
- return TRUE;
-}
-
-
-GstPluginDesc plugin_desc = {
- GST_VERSION_MAJOR,
- GST_VERSION_MINOR,
- "dxr3",
- plugin_init
-};
-
-
+++ /dev/null
-/* GStreamer DXR3 Hardware MPEG video decoder plugin
- * Copyright (C) <2002> Rehan Khwaja <rehankhwaja@yahoo.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-
-#include <string.h>
-#include <fcntl.h>
-#include "gstdxr3videosink.h"
-#include <sys/ioctl.h>
-#include <linux/em8300.h>
-
-
-enum {
- ARG_0,
- ARG_TV_MODE,
- ARG_DEVICE,
- ARG_ASPECT_RATIO
- /* TODO -
- * DIGITAL/ANALOG AUDIO OUT
- * OVERLAY MODE
- * SET BCS?? what's that?
- * OVERLAY ATTRIBUTES - where on the screen to put image
- * OVERLAY WINDOW - as above
- * OVERLAY KEYCOLOR
- * OVERLAY SIGNAL MODE
- * PLAYMODE - pausing, playing, slow forward etc
- */
-};
-
-static void gst_dxr3_video_sink_class_init (GstDxr3VideoSinkClass *klass);
-static void gst_dxr3_video_sink_init (GstDxr3VideoSink *example);
-
-static void gst_dxr3_video_sink_chain (GstPad *pad, GstBuffer *buf);
-
-static void gst_dxr3_video_sink_set_property (GObject *object, guint prop_id,
- const GValue *value, GParamSpec *pspec);
-static void gst_dxr3_video_sink_get_property (GObject *object, guint prop_id,
- GValue *value, GParamSpec *pspec);
-static gboolean gst_dxr3_video_sink_handle_event (GstPad *pad, GstEvent *event);
-static void gst_dxr3_video_sink_set_clock (GstElement *element, GstClock *clock);
-
-
-static GstElementClass *parent_class = NULL;
-
-
-#define GST_TYPE_DXR3_VIDEO_SINK_ASPECT_RATIOS (gst_dxr3_video_sink_aspect_ratios_get_type())
-static GType
-gst_dxr3_video_sink_aspect_ratios_get_type(void) {
- static GType dxr3_video_sink_aspect_ratio_type = 0;
- static GEnumValue dxr3_video_sink_aspect_ratios[] = {
- {0, "0", "4:3"},
- {1, "1", "16:9"},
- {0, NULL, NULL},
- };
- if (!dxr3_video_sink_aspect_ratio_type) {
- dxr3_video_sink_aspect_ratio_type = g_enum_register_static("GstDxr3VideoSinkAspectRatios", dxr3_video_sink_aspect_ratios);
- }
- return dxr3_video_sink_aspect_ratio_type;
-}
-
-#define GST_TYPE_DXR3_VIDEO_SINK_TV_MODES (gst_dxr3_video_sink_tv_modes_get_type())
-static GType
-gst_dxr3_video_sink_tv_modes_get_type(void) {
- static GType dxr3_video_sink_tv_mode_type = 0;
- static GEnumValue dxr3_video_sink_tv_modes[] = {
- {0, "0", "NTSC"},
- {1, "1", "PAL"},
- {0, NULL, NULL},
- };
- if (!dxr3_video_sink_tv_mode_type) {
- dxr3_video_sink_tv_mode_type = g_enum_register_static("GstDxr3VideoSinkTvModes", dxr3_video_sink_tv_modes);
- }
- return dxr3_video_sink_tv_mode_type;
-}
-
-static void
-gst_dxr3_video_sink_set_clock(GstElement *element, GstClock *clock)
-{
- GstDxr3VideoSink *dxr3_video_sink;
-
- dxr3_video_sink = GST_DXR3_VIDEO_SINK(element);
- dxr3_video_sink->clock = clock;
-}
-
-GType
-gst_dxr3_video_sink_get_type(void)
-{
- static GType dxr3_video_sink_type = 0;
-
- if (!dxr3_video_sink_type) {
- static const GTypeInfo dxr3_video_sink_info = {
- sizeof(GstDxr3VideoSinkClass), NULL,
- NULL,
- (GClassInitFunc)gst_dxr3_video_sink_class_init,
- NULL,
- NULL,
- sizeof(GstDxr3VideoSink),
- 0,
- (GInstanceInitFunc)gst_dxr3_video_sink_init,
- };
- dxr3_video_sink_type = g_type_register_static(GST_TYPE_ELEMENT, "GstDxr3VideoSink", &dxr3_video_sink_info, 0);
- }
- return dxr3_video_sink_type;
-}
-
-static gchar *
-gst_dxr3_video_sink_get_control_device(GstDxr3VideoSink *dxr3_video_sink)
-{
- return g_strdup_printf("/dev/em8300-%d", dxr3_video_sink->device_number);
-}
-
-static gchar *
-gst_dxr3_video_sink_get_video_device(GstDxr3VideoSink *dxr3_video_sink)
-{
- return g_strdup_printf("/dev/em8300_mv-%d", dxr3_video_sink->device_number);
-}
-
-static void
-gst_dxr3_video_sink_class_init (GstDxr3VideoSinkClass *klass)
-{
- GObjectClass *gobject_class;
- GstElementClass *gstelement_class;
-
- gobject_class = (GObjectClass*)klass;
- gstelement_class = (GstElementClass*)klass;
-
- parent_class = g_type_class_ref(GST_TYPE_ELEMENT);
-
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_TV_MODE,
- g_param_spec_enum("tv-mode","tv-mode","sets NTSC/PAL output format",
- GST_TYPE_DXR3_VIDEO_SINK_TV_MODES, 0, G_PARAM_READWRITE));
-
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_DEVICE,
- g_param_spec_int("device","device","sets/returns board number",
- 0,3,0,G_PARAM_READWRITE));
-
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_ASPECT_RATIO,
- g_param_spec_enum("aspect-ratio", "aspect-ratio", "sets/returns aspect ratio",
- GST_TYPE_DXR3_VIDEO_SINK_ASPECT_RATIOS, 0, G_PARAM_READWRITE));
-
- gobject_class->set_property = gst_dxr3_video_sink_set_property;
- gobject_class->get_property = gst_dxr3_video_sink_get_property;
-
- gstelement_class->set_clock = gst_dxr3_video_sink_set_clock;
-}
-
-static void
-gst_dxr3_video_sink_open_device(GstDxr3VideoSink *dxr3_video_sink)
-{
- gchar *video_device_path;
-
- video_device_path = gst_dxr3_video_sink_get_video_device(dxr3_video_sink);
- if (dxr3_video_sink->device){
- fclose(dxr3_video_sink->device);
- }
- /* this is what disksink uses */
- dxr3_video_sink->device = fopen(video_device_path, "w");
-
- g_free(video_device_path);
-}
-
-static void
-gst_dxr3_video_sink_init(GstDxr3VideoSink *dxr3_video_sink)
-{
- dxr3_video_sink->sinkpad = gst_pad_new_from_template (
- GST_PAD_TEMPLATE_GET (dxr3_video_sink_factory), "video_sink");
- gst_pad_set_chain_function(dxr3_video_sink->sinkpad, gst_dxr3_video_sink_chain);
- gst_element_add_pad(GST_ELEMENT(dxr3_video_sink),dxr3_video_sink->sinkpad);
-
- dxr3_video_sink->device_number = 0;
- dxr3_video_sink->device = 0;
- /* FIXME - should only have device open when necessary
- * which probably requires handling events?
- * also, when is this device closed?
- */
- gst_dxr3_video_sink_open_device(dxr3_video_sink);
-
- GST_FLAG_SET (GST_ELEMENT(dxr3_video_sink), GST_ELEMENT_EVENT_AWARE);
- gst_pad_set_event_function(dxr3_video_sink->sinkpad, gst_dxr3_video_sink_handle_event);
-
- dxr3_video_sink->clock = NULL;
-}
-
-static gboolean
-gst_dxr3_video_sink_handle_event(GstPad *pad, GstEvent *event)
-{
- GstEventType type;
-
- type = event ? GST_EVENT_TYPE (event) : GST_EVENT_UNKNOWN;
-
- switch (type) {
- case GST_EVENT_SEEK:
- g_print("seek event\n\n");
- break;
- case GST_EVENT_NEW_MEDIA:
- g_print("new media event\n\n");
- break;
- case GST_EVENT_FLUSH:
- g_print("flush event\n\n");
- break;
- default:
- g_print("event\n\n");
- gst_pad_event_default (pad, event);
- break;
- }
-
- return TRUE;
-}
-
-static void
-gst_dxr3_video_sink_chain (GstPad *pad, GstBuffer *buf)
-{
- GstDxr3VideoSink *dxr3_video_sink;
- long pts;
-
- /* Some of these checks are of dubious value, since if there were not
- * already true, the chain function would never be called.
- */
- g_return_if_fail(pad != NULL);
- g_return_if_fail(GST_IS_PAD(pad));
- g_return_if_fail(buf != NULL);
-
- dxr3_video_sink = GST_DXR3_VIDEO_SINK(gst_pad_get_parent (pad));
-
- g_return_if_fail(dxr3_video_sink != NULL);
- g_return_if_fail(GST_IS_DXR3_VIDEO_SINK(dxr3_video_sink));
-
- /* Copy the data in the incoming buffer onto the device. */
- fwrite(GST_BUFFER_DATA (buf), 1, GST_BUFFER_SIZE (buf), dxr3_video_sink->device);
- pts = (long)GST_BUFFER_TIMESTAMP(buf);
- if (-1 == ioctl((int)dxr3_video_sink->device, EM8300_IOCTL_VIDEO_SETPTS, &pts)){
- GST_DEBUG(0, "FAILED call to EM8300_IOCTL_VIDEO_SETPTS\n");
- }
-
- gst_buffer_unref (buf);
-}
-
-static void
-gst_dxr3_video_sink_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
-{
- GstDxr3VideoSink *dxr3_video_sink;
- int device;
- gchar *device_path;
- int tv_mode_ioctl, aspect_ratio_ioctl;
-
- g_return_if_fail(GST_IS_DXR3_VIDEO_SINK(object));
-
- dxr3_video_sink = GST_DXR3_VIDEO_SINK(object);
-
- switch (prop_id) {
- case ARG_TV_MODE:
- device_path = gst_dxr3_video_sink_get_control_device(dxr3_video_sink);
- device = open(device_path, O_WRONLY);
- if (device == -1){
- GST_DEBUG(0, "failed to open control device\n");
- break;
- }
- switch(g_value_get_int(value)){
- case 0:
- tv_mode_ioctl = EM8300_VIDEOMODE_NTSC;
- break;
- case 1:
- tv_mode_ioctl = EM8300_VIDEOMODE_PAL;
- break;
- case 2:
- tv_mode_ioctl = EM8300_VIDEOMODE_PAL60;
- break;
- }
- if (-1 == ioctl(device, EM8300_IOCTL_SET_VIDEOMODE, &tv_mode_ioctl)){
- GST_DEBUG (0,"failed to set tv-mode\n");
- }
- close(device);
- break;
- case ARG_DEVICE:
- dxr3_video_sink->device_number = g_value_get_int(value);
- gst_dxr3_video_sink_open_device(dxr3_video_sink);
- break;
- case ARG_ASPECT_RATIO:
- device_path = gst_dxr3_video_sink_get_control_device(dxr3_video_sink);
- device = open(device_path, O_WRONLY);
- if (device == -1){
- GST_DEBUG(0, "failed to open control device\n");
- break;
- }
- switch(g_value_get_enum(value)){
- case 0:
- aspect_ratio_ioctl = EM8300_ASPECTRATIO_4_3;
- break;
- case 1:
- aspect_ratio_ioctl = EM8300_ASPECTRATIO_16_9;
- break;
- }
- if (-1 == ioctl(device, EM8300_IOCTL_SET_ASPECTRATIO, &aspect_ratio_ioctl)){
- GST_DEBUG(0, "failed to set aspect-ratio\n");
- }
- break;
- default:
- break;
- }
-}
-
-static void
-gst_dxr3_video_sink_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
-{
- GstDxr3VideoSink *dxr3_video_sink;
- gint device;
- gchar *device_path;
- int tv_mode_ioctl, aspect_ratio_ioctl;
-
- g_return_if_fail(GST_IS_DXR3_VIDEO_SINK(object));
- dxr3_video_sink = GST_DXR3_VIDEO_SINK(object);
-
- switch (prop_id) {
- case ARG_TV_MODE:
- device_path = gst_dxr3_video_sink_get_control_device(dxr3_video_sink);
- tv_mode_ioctl = 0;
- device = open(device_path, O_WRONLY);
- if (-1 == device){
- GST_DEBUG(0, "failed to open control device\n");
- break;
- }
- if (-1 == ioctl(device, EM8300_IOCTL_GET_VIDEOMODE, &tv_mode_ioctl)){
- GST_DEBUG(0, "failed to get tv-mode\n");
- }
- close(device);
-
- switch(tv_mode_ioctl){
- case EM8300_VIDEOMODE_NTSC:
- g_value_set_enum(value, 0);
- break;
- case EM8300_VIDEOMODE_PAL:
- g_value_set_enum(value, 1);
- break;
- case EM8300_VIDEOMODE_PAL60:
- g_value_set_enum(value, 2);
- break;
- }
- break;
- case ARG_DEVICE:
- g_value_set_int(value, dxr3_video_sink->device_number);
- break;
- case ARG_ASPECT_RATIO:
- device_path = gst_dxr3_video_sink_get_control_device(dxr3_video_sink);
- aspect_ratio_ioctl = 0;
- device = open(device_path, O_WRONLY);
- if (-1 == device){
- GST_DEBUG(0, "failed to open control device\n");
- break;
- }
- if (-1 == ioctl(device, EM8300_IOCTL_GET_ASPECTRATIO, &aspect_ratio_ioctl)){
- GST_DEBUG(0, "failed to get aspect ratio\n");
- }
- close(device);
-
- switch(aspect_ratio_ioctl){
- case EM8300_ASPECTRATIO_4_3:
- g_value_set_enum(value, 0);
- break;
- case EM8300_ASPECTRATIO_16_9:
- g_value_set_enum(value, 1);
- break;
- }
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
+++ /dev/null
-/* GStreamer DXR3 Hardware MPEG video decoder plugin
- * Copyright (C) <2002> Rehan Khwaja <rehankhwaja@yahoo.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-
-#ifndef __GST_DXR3_VIDEO_SINK_H__
-#define __GST_DXR3_VIDEO_SINK_H__
-
-#include <gst/gst.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif /* __cplusplus */
-
-
-typedef struct _GstDxr3VideoSink GstDxr3VideoSink;
-struct _GstDxr3VideoSink;
-
-struct _GstDxr3VideoSink {
- GstElement element;
-
- /* board number */
- gint device_number;
-
- /* file handle for the video device */
- FILE *device;
-
- GstClock *clock;
-
- /* our only pad */
- GstPad *sinkpad;
-};
-
-
-typedef struct _GstDxr3VideoSinkClass GstDxr3VideoSinkClass;
-
-struct _GstDxr3VideoSinkClass {
- GstElementClass parent_class;
-};
-
-
-#define GST_TYPE_DXR3_VIDEO_SINK \
- (gst_dxr3_video_sink_get_type())
-#define GST_DXR3_VIDEO_SINK(obj) \
- (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DXR3_VIDEO_SINK,GstDxr3VideoSink))
-#define GST_DXR3_VIDEO_SINK_CLASS(klass) \
- (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DXR3_VIDEO_SINK,GstDxr3VideoSink))
-#define GST_IS_DXR3_VIDEO_SINK(obj) \
- (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DXR3_VIDEO_SINK))
-#define GST_IS_DXR3_VIDEO_SINK_CLASS(obj) \
- (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DXR3_VIDEO_SINK))
-
-
-GType gst_dxr3_video_sink_get_type(void);
-
-
-GST_PAD_TEMPLATE_FACTORY (dxr3_video_sink_factory,
- "sink",
- GST_PAD_SINK,
- GST_PAD_ALWAYS,
- gst_caps_new ("video_sink", "video/mpeg", NULL)
-);
-
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-
-
-#endif /* __GST_DXR3_VIDEO_SINK_H__ */
projects / platform / upstream / gstreamer.git / commitdiff