* Boston, MA 02111-1307, USA.
*/
-
-#include <sys/types.h>
-#include <sys/stat.h>
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
#include <sys/ioctl.h>
-#include <fcntl.h>
#include <sys/soundcard.h>
-#include <unistd.h>
#include <errno.h>
-
-#include <gstosssink.h>
-
-static GstElementDetails gst_osssink_details = {
- "Audio Sink (OSS)",
- "Sink/Audio",
- "Output to a sound card via OSS",
- VERSION,
- "Erik Walthinsen <omega@cse.ogi.edu>, "
- "Wim Taymans <wim.taymans@chello.be>",
- "(C) 1999",
-};
-
-static void gst_osssink_class_init (GstOssSinkClass *klass);
-static void gst_osssink_init (GstOssSink *osssink);
-static void gst_osssink_finalize (GObject *object);
-
-static gboolean gst_osssink_open_audio (GstOssSink *sink);
-static void gst_osssink_close_audio (GstOssSink *sink);
-static gboolean gst_osssink_sync_parms (GstOssSink *osssink);
-static GstElementStateReturn gst_osssink_change_state (GstElement *element);
-static void gst_osssink_set_clock (GstElement *element, GstClock *clock);
-static GstClock* gst_osssink_get_clock (GstElement *element);
-
-static GstPadConnectReturn gst_osssink_sinkconnect (GstPad *pad, GstCaps *caps);
-
-static void gst_osssink_set_property (GObject *object, guint prop_id, const GValue *value,
- GParamSpec *pspec);
-static void gst_osssink_get_property (GObject *object, guint prop_id, GValue *value,
- GParamSpec *pspec);
-
-static void gst_osssink_chain (GstPad *pad,GstBuffer *buf);
+#include <unistd.h>
+#include <string.h>
+
+#include "gstosssink.h"
+
+/* elementfactory information */
+static GstElementDetails gst_osssink_details =
+GST_ELEMENT_DETAILS ("Audio Sink (OSS)",
+ "Sink/Audio",
+ "Output to a sound card via OSS",
+ "Erik Walthinsen <omega@cse.ogi.edu>, "
+ "Wim Taymans <wim.taymans@chello.be>");
+
+static void gst_osssink_base_init (gpointer g_class);
+static void gst_osssink_class_init (GstOssSinkClass * klass);
+static void gst_osssink_init (GstOssSink * osssink);
+static void gst_osssink_dispose (GObject * object);
+
+static GstElementStateReturn gst_osssink_change_state (GstElement * element);
+static void gst_osssink_set_clock (GstElement * element, GstClock * clock);
+static GstClock *gst_osssink_get_clock (GstElement * element);
+static GstClockTime gst_osssink_get_time (GstClock * clock, gpointer data);
+
+static const GstFormat *gst_osssink_get_formats (GstPad * pad);
+static gboolean gst_osssink_convert (GstPad * pad, GstFormat src_format,
+ gint64 src_value, GstFormat * dest_format, gint64 * dest_value);
+static const GstQueryType *gst_osssink_get_query_types (GstPad * pad);
+static gboolean gst_osssink_query (GstElement * element, GstQueryType type,
+ GstFormat * format, gint64 * value);
+static gboolean gst_osssink_sink_query (GstPad * pad, GstQueryType type,
+ GstFormat * format, gint64 * value);
+
+static GstCaps *gst_osssink_sink_fixate (GstPad * pad, const GstCaps * caps);
+static GstPadLinkReturn gst_osssink_sinkconnect (GstPad * pad,
+ const GstCaps * caps);
+
+static void gst_osssink_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec);
+static void gst_osssink_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec);
+
+static void gst_osssink_chain (GstPad * pad, GstData * _data);
/* OssSink signals and args */
-enum {
+enum
+{
SIGNAL_HANDOFF,
LAST_SIGNAL
};
-enum {
+enum
+{
ARG_0,
- ARG_DEVICE,
ARG_MUTE,
- ARG_FORMAT,
- ARG_CHANNELS,
- ARG_FREQUENCY,
ARG_FRAGMENT,
- ARG_BUFFER_SIZE
+ ARG_BUFFER_SIZE,
+ ARG_SYNC,
+ ARG_CHUNK_SIZE,
/* FILL ME */
};
-GST_PAD_TEMPLATE_FACTORY (osssink_sink_factory,
- "sink",
- GST_PAD_SINK,
- GST_PAD_ALWAYS,
- GST_CAPS_NEW (
- "osssink_sink",
- "audio/raw",
- "format", GST_PROPS_STRING ("int"), /* hack */
- "law", GST_PROPS_INT (0),
- "endianness", GST_PROPS_INT (G_BYTE_ORDER),
- "signed", GST_PROPS_LIST (
- GST_PROPS_BOOLEAN (FALSE),
- GST_PROPS_BOOLEAN (TRUE)
- ),
- "width", GST_PROPS_LIST (
- GST_PROPS_INT (8),
- GST_PROPS_INT (16)
- ),
- "depth", GST_PROPS_LIST (
- GST_PROPS_INT (8),
- GST_PROPS_INT (16)
- ),
- "rate", GST_PROPS_INT_RANGE (1000, 48000),
- "channels", GST_PROPS_INT_RANGE (1, 2)
- )
-);
-
-#define GST_TYPE_OSSSINK_CHANNELS (gst_osssink_channels_get_type())
-static GType
-gst_osssink_channels_get_type(void) {
- static GType osssink_channels_type = 0;
- static GEnumValue osssink_channels[] = {
- {0, "0", "Silence"},
- {1, "1", "Mono"},
- {2, "2", "Stereo"},
- {0, NULL, NULL},
- };
- if (!osssink_channels_type) {
- osssink_channels_type = g_enum_register_static("GstAudiosinkChannels", osssink_channels);
- }
- return osssink_channels_type;
-}
-
+static GstStaticPadTemplate osssink_sink_factory =
+GST_STATIC_PAD_TEMPLATE ("sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("audio/x-raw-int, "
+ "endianness = (int) BYTE_ORDER, "
+ "signed = (boolean) { TRUE, FALSE }, "
+ "width = (int) { 8, 16 }, "
+ "depth = (int) { 8, 16 }, "
+ "rate = (int) [ 1000, 48000 ], " "channels = (int) [ 1, 2 ]")
+ );
static GstElementClass *parent_class = NULL;
static guint gst_osssink_signals[LAST_SIGNAL] = { 0 };
GType
-gst_osssink_get_type (void)
+gst_osssink_get_type (void)
{
static GType osssink_type = 0;
if (!osssink_type) {
static const GTypeInfo osssink_info = {
- sizeof(GstOssSinkClass),
- NULL,
+ sizeof (GstOssSinkClass),
+ gst_osssink_base_init,
NULL,
- (GClassInitFunc)gst_osssink_class_init,
+ (GClassInitFunc) gst_osssink_class_init,
NULL,
NULL,
- sizeof(GstOssSink),
+ sizeof (GstOssSink),
0,
- (GInstanceInitFunc)gst_osssink_init,
+ (GInstanceInitFunc) gst_osssink_init,
};
- osssink_type = g_type_register_static (GST_TYPE_ELEMENT, "GstOssSink", &osssink_info, 0);
+ osssink_type =
+ g_type_register_static (GST_TYPE_OSSELEMENT, "GstOssSink",
+ &osssink_info, 0);
}
return osssink_type;
}
-static GstBufferPool*
-gst_osssink_get_bufferpool (GstPad *pad)
+static void
+gst_osssink_dispose (GObject * object)
{
- GstOssSink *oss;
-
- oss = GST_OSSSINK (gst_pad_get_parent(pad));
+ GstOssSink *osssink = (GstOssSink *) object;
+
+ gst_object_unparent (GST_OBJECT (osssink->provided_clock));
- return oss->sinkpool;
+ G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
-gst_osssink_finalize (GObject *object)
+gst_osssink_base_init (gpointer g_class)
{
- GstOssSink *osssink = (GstOssSink *) object;
-
- g_free (osssink->device);
+ GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
- G_OBJECT_CLASS (parent_class)->finalize (object);
+ gst_element_class_set_details (element_class, &gst_osssink_details);
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&osssink_sink_factory));
}
-
static void
-gst_osssink_class_init (GstOssSinkClass *klass)
+gst_osssink_class_init (GstOssSinkClass * 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_DEVICE,
- g_param_spec_string("device","device","device",
- "/dev/dsp",G_PARAM_READWRITE)); /* CHECKME! */
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_MUTE,
- g_param_spec_boolean("mute","mute","mute",
- TRUE,G_PARAM_READWRITE));
-
- /* it would be nice to show format in symbolic form, oh well */
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_FORMAT,
- g_param_spec_int ("format","format","format",
- 0, G_MAXINT, AFMT_S16_LE, G_PARAM_READWRITE));
-
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_CHANNELS,
- g_param_spec_enum("channels","channels","channels",
- GST_TYPE_OSSSINK_CHANNELS,2,G_PARAM_READWRITE));
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_FREQUENCY,
- g_param_spec_int("frequency","frequency","frequency",
- 0,G_MAXINT,44100,G_PARAM_READWRITE));
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_FRAGMENT,
- g_param_spec_int("fragment","fragment","fragment",
- 0,G_MAXINT,6,G_PARAM_READWRITE));
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_BUFFER_SIZE,
- g_param_spec_int("buffer_size","buffer_size","buffer_size",
- 0,G_MAXINT,4096,G_PARAM_READWRITE));
+ gobject_class = (GObjectClass *) klass;
+ gstelement_class = (GstElementClass *) klass;
+
+ parent_class = g_type_class_ref (GST_TYPE_OSSELEMENT);
+
+ g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MUTE,
+ g_param_spec_boolean ("mute", "Mute", "Mute the audio",
+ FALSE, G_PARAM_READWRITE));
+ g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SYNC,
+ g_param_spec_boolean ("sync", "Sync",
+ "If syncing on timestamps should be enabled", TRUE,
+ G_PARAM_READWRITE));
+ g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_FRAGMENT,
+ g_param_spec_int ("fragment", "Fragment",
+ "The fragment as 0xMMMMSSSS (MMMM = total fragments, 2^SSSS = fragment size)",
+ 0, G_MAXINT, 6, G_PARAM_READWRITE));
+ g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_BUFFER_SIZE,
+ g_param_spec_uint ("buffer_size", "Buffer size",
+ "Size of buffers in osssink's bufferpool (bytes)", 0, G_MAXINT, 4096,
+ G_PARAM_READWRITE));
+ g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_CHUNK_SIZE,
+ g_param_spec_uint ("chunk_size", "Chunk size",
+ "Write data in chunk sized buffers", 0, G_MAXUINT, 4096,
+ G_PARAM_READWRITE));
gst_osssink_signals[SIGNAL_HANDOFF] =
- g_signal_new("handoff",G_TYPE_FROM_CLASS(klass), G_SIGNAL_RUN_LAST,
- G_STRUCT_OFFSET(GstOssSinkClass,handoff), NULL, NULL,
- g_cclosure_marshal_VOID__VOID,G_TYPE_NONE,0);
-
+ g_signal_new ("handoff", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GstOssSinkClass, handoff), NULL, NULL,
+ g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
+
gobject_class->set_property = gst_osssink_set_property;
gobject_class->get_property = gst_osssink_get_property;
- gobject_class->finalize = gst_osssink_finalize;
-
+ gobject_class->dispose = gst_osssink_dispose;
+
gstelement_class->change_state = GST_DEBUG_FUNCPTR (gst_osssink_change_state);
+ gstelement_class->query = GST_DEBUG_FUNCPTR (gst_osssink_query);
+ gstelement_class->set_clock = gst_osssink_set_clock;
+ gstelement_class->get_clock = gst_osssink_get_clock;
+
}
-static GstClockTime
-gst_osssink_get_time (GstClock *clock, gpointer data)
+static void
+gst_osssink_init (GstOssSink * osssink)
{
- GstOssSink *osssink = GST_OSSSINK (data);
- gint delay;
+ osssink->sinkpad =
+ gst_pad_new_from_template (gst_static_pad_template_get
+ (&osssink_sink_factory), "sink");
+ gst_element_add_pad (GST_ELEMENT (osssink), osssink->sinkpad);
+ gst_pad_set_link_function (osssink->sinkpad, gst_osssink_sinkconnect);
+ gst_pad_set_fixate_function (osssink->sinkpad, gst_osssink_sink_fixate);
+ gst_pad_set_convert_function (osssink->sinkpad, gst_osssink_convert);
+ gst_pad_set_query_function (osssink->sinkpad, gst_osssink_sink_query);
+ gst_pad_set_query_type_function (osssink->sinkpad,
+ gst_osssink_get_query_types);
+ gst_pad_set_formats_function (osssink->sinkpad, gst_osssink_get_formats);
- if (!osssink->bps)
- return 0;
+ gst_pad_set_chain_function (osssink->sinkpad, gst_osssink_chain);
- ioctl (osssink->fd, SNDCTL_DSP_GETODELAY, &delay);
+ GST_DEBUG ("initializing osssink");
+ osssink->bufsize = 4096;
+ osssink->chunk_size = 4096;
+ osssink->mute = FALSE;
+ osssink->sync = TRUE;
+ osssink->resync = TRUE;
+ osssink->provided_clock =
+ gst_audio_clock_new ("ossclock", gst_osssink_get_time, osssink);
+ gst_object_set_parent (GST_OBJECT (osssink->provided_clock),
+ GST_OBJECT (osssink));
+ osssink->handled = 0;
- return osssink->offset + (osssink->handled - delay) * 1000000LL / osssink->bps;
+ GST_FLAG_SET (osssink, GST_ELEMENT_THREAD_SUGGESTED);
+ GST_FLAG_SET (osssink, GST_ELEMENT_EVENT_AWARE);
}
-static void
-gst_osssink_init (GstOssSink *osssink)
+static GstCaps *
+gst_osssink_sink_fixate (GstPad * pad, const GstCaps * caps)
{
- osssink->sinkpad = gst_pad_new_from_template (
- GST_PAD_TEMPLATE_GET (osssink_sink_factory), "sink");
- gst_element_add_pad (GST_ELEMENT (osssink), osssink->sinkpad);
- gst_pad_set_connect_function (osssink->sinkpad, gst_osssink_sinkconnect);
- gst_pad_set_bufferpool_function (osssink->sinkpad, gst_osssink_get_bufferpool);
+ GstCaps *newcaps;
+ GstStructure *structure;
- gst_pad_set_chain_function (osssink->sinkpad, gst_osssink_chain);
+ newcaps =
+ gst_caps_new_full (gst_structure_copy (gst_caps_get_structure (caps, 0)),
+ NULL);
+ structure = gst_caps_get_structure (newcaps, 0);
- osssink->device = g_strdup ("/dev/dsp");
- osssink->fd = -1;
- osssink->channels = 1;
- osssink->frequency = 11025;
- osssink->fragment = 6;
-/* AFMT_*_BE not available on all OSS includes (e.g. FBSD) */
-#ifdef WORDS_BIGENDIAN
- osssink->format = AFMT_S16_BE;
-#else
- osssink->format = AFMT_S16_LE;
-#endif /* WORDS_BIGENDIAN */
- /* gst_clock_register (osssink->clock, GST_OBJECT (osssink)); */
- osssink->bufsize = 4096;
- osssink->offset = -1LL;
- osssink->handled = 0LL;
- /* 6 buffers per chunk by default */
- osssink->sinkpool = gst_buffer_pool_get_default (osssink->bufsize, 6);
+ if (gst_caps_structure_fixate_field_nearest_int (structure, "rate", 44100)) {
+ return newcaps;
+ }
+ if (gst_caps_structure_fixate_field_nearest_int (structure, "depth", 16)) {
+ return newcaps;
+ }
+ if (gst_caps_structure_fixate_field_nearest_int (structure, "width", 16)) {
+ return newcaps;
+ }
+ if (gst_caps_structure_fixate_field_nearest_int (structure, "channels", 2)) {
+ return newcaps;
+ }
- osssink->provided_clock = NULL;
- osssink->provided_clock = GST_CLOCK (gst_oss_clock_new ("ossclock", gst_osssink_get_time, osssink));
+ gst_caps_free (newcaps);
- GST_ELEMENT (osssink)->setclockfunc = gst_osssink_set_clock;
- GST_ELEMENT (osssink)->getclockfunc = gst_osssink_get_clock;
-
- GST_FLAG_SET (osssink, GST_ELEMENT_THREAD_SUGGESTED);
- GST_FLAG_SET (osssink, GST_ELEMENT_EVENT_AWARE);
+ return NULL;
}
-static GstPadConnectReturn
-gst_osssink_sinkconnect (GstPad *pad, GstCaps *caps)
+static GstPadLinkReturn
+gst_osssink_sinkconnect (GstPad * pad, const GstCaps * caps)
{
- gint law, endianness, width, depth;
- gboolean sign;
- gint format = -1;
GstOssSink *osssink = GST_OSSSINK (gst_pad_get_parent (pad));
- if (!GST_CAPS_IS_FIXED (caps))
- return GST_PAD_CONNECT_DELAYED;
-
- gst_caps_get_int (caps, "width", &width);
- gst_caps_get_int (caps, "depth", &depth);
-
- if (width != depth)
- return GST_PAD_CONNECT_REFUSED;
-
- /* laws 1 and 2 are 1 bps anyway */
- osssink->bps = 1;
-
- gst_caps_get_int (caps, "law", &law);
- gst_caps_get_int (caps, "endianness", &endianness);
- gst_caps_get_boolean (caps, "signed", &sign);
-
- if (law == 0) {
- if (width == 16) {
- if (sign == TRUE) {
- if (endianness == G_LITTLE_ENDIAN)
- format = AFMT_S16_LE;
- else if (endianness == G_BIG_ENDIAN)
- format = AFMT_S16_BE;
- }
- else {
- if (endianness == G_LITTLE_ENDIAN)
- format = AFMT_U16_LE;
- else if (endianness == G_BIG_ENDIAN)
- format = AFMT_U16_BE;
- }
- osssink->bps = 2;
- }
- else if (width == 8) {
- if (sign == TRUE) {
- format = AFMT_S8;
- }
- else {
- format = AFMT_U8;
- }
- osssink->bps = 1;
- }
- } else if (law == 1) {
- format = AFMT_MU_LAW;
- } else if (law == 2) {
- format = AFMT_A_LAW;
- } else {
- g_critical ("unknown law");
- return GST_PAD_CONNECT_REFUSED;
+ if (!gst_osselement_parse_caps (GST_OSSELEMENT (osssink), caps))
+ return GST_PAD_LINK_REFUSED;
+
+ if (!gst_osselement_sync_parms (GST_OSSELEMENT (osssink))) {
+ return GST_PAD_LINK_REFUSED;
}
- if (format == -1)
- return GST_PAD_CONNECT_REFUSED;
+ return GST_PAD_LINK_OK;
+}
+
+static inline gint
+gst_osssink_get_delay (GstOssSink * osssink)
+{
+ gint delay = 0;
+ gint ret;
- osssink->format = format;
- gst_caps_get_int (caps, "channels", &osssink->channels);
- gst_caps_get_int (caps, "rate", &osssink->frequency);
+ if (GST_OSSELEMENT (osssink)->fd == -1)
+ return 0;
- osssink->bps *= osssink->channels;
- osssink->bps *= osssink->frequency;
+#ifdef SNDCTL_DSP_GETODELAY
+ ret = ioctl (GST_OSSELEMENT (osssink)->fd, SNDCTL_DSP_GETODELAY, &delay);
+#else
+ ret = -1;
+#endif
+ if (ret < 0) {
+ audio_buf_info info;
- if (!gst_osssink_sync_parms (osssink)) {
- return GST_PAD_CONNECT_REFUSED;
+ if (ioctl (GST_OSSELEMENT (osssink)->fd, SNDCTL_DSP_GETOSPACE, &info) < 0) {
+ delay = 0;
+ } else {
+ delay = (info.fragstotal * info.fragsize) - info.bytes;
+ }
}
- return GST_PAD_CONNECT_OK;
+ return delay;
}
-static gboolean
-gst_osssink_sync_parms (GstOssSink *osssink)
+static GstClockTime
+gst_osssink_get_time (GstClock * clock, gpointer data)
{
- audio_buf_info ospace;
- int frag;
- gint target_format;
- gint target_channels;
- gint target_frequency;
- GObject *object;
-
- g_return_val_if_fail (osssink != NULL, FALSE);
- g_return_val_if_fail (GST_IS_OSSSINK (osssink), FALSE);
-
- if (osssink->fd == -1)
- return FALSE;
-
- if (osssink->fragment >> 16)
- frag = osssink->fragment;
- else
- frag = 0x7FFF0000 | osssink->fragment;
-
- GST_INFO (GST_CAT_PLUGIN_INFO, "osssink: trying to set sound card to %dHz %d bit %s (%08x fragment)",
- osssink->frequency, osssink->format,
- (osssink->channels == 2) ? "stereo" : "mono",frag);
-
- ioctl (osssink->fd, SNDCTL_DSP_SETFRAGMENT, &frag);
-
- ioctl (osssink->fd, SNDCTL_DSP_RESET, 0);
-
- target_format = osssink->format;
- target_channels = osssink->channels;
- target_frequency = osssink->frequency;
-
- ioctl (osssink->fd, SNDCTL_DSP_SETFMT, &osssink->format);
- ioctl (osssink->fd, SNDCTL_DSP_CHANNELS, &osssink->channels);
- ioctl (osssink->fd, SNDCTL_DSP_SPEED, &osssink->frequency);
-
- ioctl (osssink->fd, SNDCTL_DSP_GETBLKSIZE, &osssink->fragment);
- ioctl (osssink->fd, SNDCTL_DSP_GETOSPACE, &ospace);
-
- GST_INFO (GST_CAT_PLUGIN_INFO, "osssink: set sound card to %dHz %d bit %s (%d bytes buffer, %08x fragment)",
- osssink->frequency, osssink->format,
- (osssink->channels == 2) ? "stereo" : "mono", ospace.bytes, osssink->fragment);
-
- object = G_OBJECT (osssink);
- g_object_freeze_notify (object);
- g_object_notify (object, "channels");
- g_object_notify (object, "frequency");
- g_object_notify (object, "fragment");
- g_object_notify (object, "format");
- g_object_thaw_notify (object);
-
- osssink->fragment_time = (1000000 * osssink->fragment) / osssink->bps;
- GST_INFO (GST_CAT_PLUGIN_INFO, "fragment time %u %llu\n", osssink->bps, osssink->fragment_time);
-
- if (target_format != osssink->format ||
- target_channels != osssink->channels ||
- target_frequency != osssink->frequency)
- {
- g_warning ("could not configure oss with required parameters, enjoy the noise :)");
- /* we could eventually return FALSE here, or just do some additional tests
- * to see that the frequencies don't differ too much etc.. */
+ GstOssSink *osssink = GST_OSSSINK (data);
+ gint delay;
+ GstClockTimeDiff res;
+
+ if (!GST_OSSELEMENT (osssink)->bps)
+ return 0;
+
+ delay = gst_osssink_get_delay (osssink);
+
+ /* sometimes delay is bigger than the number of bytes sent to the device,
+ * which screws up this calculation, we assume that everything is still
+ * in the device then
+ * thomas: with proper handling of the return value, this doesn't seem to
+ * happen anymore, so remove the second code path after april 2004 */
+ if (delay > (gint64) osssink->handled) {
+ /*g_warning ("Delay %d > osssink->handled %" G_GUINT64_FORMAT
+ ", setting to osssink->handled",
+ delay, osssink->handled); */
+ delay = osssink->handled;
}
- return TRUE;
+ res =
+ ((gint64) osssink->handled -
+ delay) * GST_SECOND / GST_OSSELEMENT (osssink)->bps;
+ if (res < 0)
+ res = 0;
+
+ return res;
}
-static GstClock*
-gst_osssink_get_clock (GstElement *element)
+static GstClock *
+gst_osssink_get_clock (GstElement * element)
{
GstOssSink *osssink;
-
+
osssink = GST_OSSSINK (element);
return GST_CLOCK (osssink->provided_clock);
}
static void
-gst_osssink_set_clock (GstElement *element, GstClock *clock)
+gst_osssink_set_clock (GstElement * element, GstClock * clock)
{
GstOssSink *osssink;
-
+
osssink = GST_OSSSINK (element);
- osssink->clock = clock;
+ osssink->clock = clock;
}
-static void
-gst_osssink_chain (GstPad *pad, GstBuffer *buf)
+static void
+gst_osssink_chain (GstPad * pad, GstData * _data)
{
+ GstBuffer *buf = GST_BUFFER (_data);
GstOssSink *osssink;
- GstClockTime buftime;
+ GstClockTimeDiff buftime, soundtime, elementtime;
+ guchar *data;
+ guint to_write;
+ gint delay;
/* this has to be an audio buffer */
osssink = GST_OSSSINK (gst_pad_get_parent (pad));
if (GST_IS_EVENT (buf)) {
- switch (GST_EVENT_TYPE (buf)) {
+ GstEvent *event = GST_EVENT (buf);
+
+ switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_EOS:
- ioctl (osssink->fd, SNDCTL_DSP_SYNC);
- gst_pad_event_default (pad, GST_EVENT (buf));
- return;
+ ioctl (GST_OSSELEMENT (osssink)->fd, SNDCTL_DSP_SYNC, 0);
+ gst_audio_clock_set_active (GST_AUDIO_CLOCK (osssink->provided_clock),
+ FALSE);
+ gst_pad_event_default (pad, event);
+ return;
+ case GST_EVENT_DISCONTINUOUS:
+ osssink->resync = TRUE;
+ /* pass-through */
default:
- return;
+ gst_pad_event_default (pad, event);
+ return;
}
+ g_assert_not_reached ();
}
-
- buftime = GST_BUFFER_TIMESTAMP (buf);
- if (!osssink->bps) {
+ if (!GST_OSSELEMENT (osssink)->bps) {
gst_buffer_unref (buf);
- gst_element_error (GST_ELEMENT (osssink), "capsnego was never performed, unknown data type");
+ GST_ELEMENT_ERROR (osssink, CORE, NEGOTIATION, (NULL),
+ ("format wasn't negotiated before chain function"));
+ return;
}
- if (osssink->fd >= 0) {
- if (!osssink->mute) {
- guchar *data = GST_BUFFER_DATA (buf);
- gint size = GST_BUFFER_SIZE (buf);
- /* gint frag = osssink->fragment; <-- unused, for reason see above */
-
- if (osssink->clock) {
- /* FIXME, NEW_MEDIA/DISCONT?. Try to get our start point */
- if (osssink->offset == -1LL && buftime != -1LL) {
- /* g_print ("%lld %lld %lld\n", osssink->offset, buftime, gst_clock_get_time (osssink->clock)); */
- osssink->offset = buftime;
- osssink->handled = 0;
- gst_element_clock_wait (GST_ELEMENT (osssink), osssink->clock, buftime);
- }
-
-
- /* FIXME: reverted wtay's patch.
- The way that's commented out isn't working on BE machines.
- I guess it should be sample accurate and not capped inbetween.
- while (size) {
- gint tosend = MIN (size, frag);
- write (osssink->fd, data, tosend);
- data += tosend;
- size -= tosend;
- osssink->handled += tosend;
- } */
- write (osssink->fd, data, size);
+ data = GST_BUFFER_DATA (buf);
+ to_write = GST_BUFFER_SIZE (buf);
+ /* sync audio with buffers timestamp. elementtime is the *current* time.
+ * soundtime is the time if the soundcard has processed all queued data. */
+ elementtime = gst_element_get_time (GST_ELEMENT (osssink));
+ delay = gst_osssink_get_delay (osssink);
+ if (delay < 0)
+ delay = 0;
+ soundtime = elementtime + delay * GST_SECOND / GST_OSSELEMENT (osssink)->bps;
+ if (GST_BUFFER_TIMESTAMP_IS_VALID (buf)) {
+ buftime = GST_BUFFER_TIMESTAMP (buf);
+ } else {
+ buftime = soundtime;
+ }
+ GST_LOG_OBJECT (osssink,
+ "time: real %" G_GUINT64_FORMAT ", buffer: %" G_GUINT64_FORMAT, soundtime,
+ buftime);
+ if (MAX (buftime, soundtime) - MIN (buftime, soundtime) > (GST_SECOND / 10)) {
+ /* we need to adjust to the buffers here */
+ GST_INFO_OBJECT (osssink,
+ "need sync: real %" G_GUINT64_FORMAT ", buffer: %" G_GUINT64_FORMAT,
+ soundtime, buftime);
+ if (soundtime > buftime) {
+ /* do *not* throw frames out. It's useless. The next frame will come in
+ * too late. And the next one. And so on. We don't want to lose sound.
+ * This is a placeholder for what - some day - should become QoS, i.e.
+ * sending events upstream to drop buffers. */
+ } else {
+ guint64 to_handle =
+ (((buftime -
+ soundtime) * GST_OSSELEMENT (osssink)->bps / GST_SECOND) /
+ ((GST_OSSELEMENT (osssink)->width / 8) *
+ GST_OSSELEMENT (osssink)->channels)) *
+ (GST_OSSELEMENT (osssink)->width / 8) *
+ GST_OSSELEMENT (osssink)->channels;
+
+ if (!osssink->resync) {
+ guint8 *buf = g_new (guint8, to_handle);
+
+ memset (buf, (GST_OSSELEMENT (osssink)->width == 8) ? 0 : 128,
+ to_handle);
+ while (to_handle > 0) {
+ gint done = write (GST_OSSELEMENT (osssink)->fd, buf,
+ MIN (to_handle, osssink->chunk_size));
+
+ if (done == -1 && errno != EINTR) {
+ break;
+ } else {
+ to_handle -= done;
+ osssink->handled += done;
+ }
+ }
+ g_free (buf);
+ } else {
+ /* Timestamps at start-of-stream (MPEG) or after seek (hey,
+ * again MPEG!) can be borken, therefore this hacklet. */
+ osssink->handled += to_handle;
}
- /* no clock, try to be as fast as possible */
- else {
- audio_buf_info ospace;
+ }
+ }
- ioctl (osssink->fd, SNDCTL_DSP_GETOSPACE, &ospace);
+ if (GST_OSSELEMENT (osssink)->fd >= 0 && to_write > 0) {
+ if (!osssink->mute) {
- if (ospace.bytes >= size) {
- write (osssink->fd, data, size);
+ while (to_write > 0) {
+ gint done = write (GST_OSSELEMENT (osssink)->fd, data,
+ MIN (to_write, osssink->chunk_size));
+
+ if (done == -1) {
+ if (errno != EINTR)
+ break;
+ } else {
+ to_write -= done;
+ data += done;
+ osssink->handled += done;
}
- osssink->handled += size;
}
+ } else {
+ g_warning ("muting osssinks unimplemented wrt clocks!");
}
}
+
+ gst_audio_clock_update_time ((GstAudioClock *) osssink->provided_clock,
+ gst_osssink_get_time (osssink->provided_clock, osssink));
+
gst_buffer_unref (buf);
}
-static void
-gst_osssink_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
+static const GstFormat *
+gst_osssink_get_formats (GstPad * pad)
+{
+ static const GstFormat formats[] = {
+ GST_FORMAT_TIME,
+ GST_FORMAT_DEFAULT,
+ GST_FORMAT_BYTES,
+ 0
+ };
+ return formats;
+}
+
+static gboolean
+gst_osssink_convert (GstPad * pad, GstFormat src_format, gint64 src_value,
+ GstFormat * dest_format, gint64 * dest_value)
{
GstOssSink *osssink;
- /* it's not null if we got it, but it might not be ours */
- g_return_if_fail (GST_IS_OSSSINK (object));
-
- osssink = GST_OSSSINK (object);
+ osssink = GST_OSSSINK (gst_pad_get_parent (pad));
- switch (prop_id) {
- case ARG_DEVICE:
- /* disallow changing the device while it is opened
- get_property("device") should return the right one */
- if (!GST_FLAG_IS_SET (osssink, GST_OSSSINK_OPEN))
- {
- g_free (osssink->device);
- osssink->device = g_strdup (g_value_get_string (value));
- g_object_notify (object, "device");
+ return gst_osselement_convert (GST_OSSELEMENT (osssink),
+ src_format, src_value, dest_format, dest_value);
+}
+
+static const GstQueryType *
+gst_osssink_get_query_types (GstPad * pad)
+{
+ static const GstQueryType query_types[] = {
+ GST_QUERY_LATENCY,
+ GST_QUERY_POSITION,
+ 0,
+ };
+ return query_types;
+}
+
+static gboolean
+gst_osssink_sink_query (GstPad * pad, GstQueryType type, GstFormat * format,
+ gint64 * value)
+{
+ gboolean res = TRUE;
+ GstOssSink *osssink;
+
+ osssink = GST_OSSSINK (gst_pad_get_parent (pad));
+
+ switch (type) {
+ case GST_QUERY_LATENCY:
+ if (!gst_osssink_convert (pad,
+ GST_FORMAT_BYTES, gst_osssink_get_delay (osssink),
+ format, value)) {
+ res = FALSE;
}
break;
+ case GST_QUERY_POSITION:
+ if (!gst_osssink_convert (pad,
+ GST_FORMAT_TIME, gst_element_get_time (GST_ELEMENT (osssink)),
+ format, value)) {
+ res = FALSE;
+ }
+ break;
+ default:
+ res =
+ gst_pad_query (gst_pad_get_peer (osssink->sinkpad), type, format,
+ value);
+ break;
+ }
+
+ return res;
+}
+
+static gboolean
+gst_osssink_query (GstElement * element, GstQueryType type, GstFormat * format,
+ gint64 * value)
+{
+ GstOssSink *osssink = GST_OSSSINK (element);
+
+ return gst_osssink_sink_query (osssink->sinkpad, type, format, value);
+}
+
+static void
+gst_osssink_set_property (GObject * object, guint prop_id, const GValue * value,
+ GParamSpec * pspec)
+{
+ GstOssSink *osssink;
+
+ osssink = GST_OSSSINK (object);
+
+ switch (prop_id) {
case ARG_MUTE:
osssink->mute = g_value_get_boolean (value);
g_object_notify (G_OBJECT (osssink), "mute");
break;
- case ARG_FORMAT:
- osssink->format = g_value_get_int (value);
- gst_osssink_sync_parms (osssink);
- break;
- case ARG_CHANNELS:
- osssink->channels = g_value_get_enum (value);
- gst_osssink_sync_parms (osssink);
- break;
- case ARG_FREQUENCY:
- osssink->frequency = g_value_get_int (value);
- gst_osssink_sync_parms (osssink);
- break;
case ARG_FRAGMENT:
- osssink->fragment = g_value_get_int (value);
- gst_osssink_sync_parms (osssink);
+ GST_OSSELEMENT (osssink)->fragment = g_value_get_int (value);
+ gst_osselement_sync_parms (GST_OSSELEMENT (osssink));
break;
case ARG_BUFFER_SIZE:
- if (osssink->bufsize == g_value_get_int (value)) break;
- osssink->bufsize = g_value_get_int (value);
- osssink->sinkpool = gst_buffer_pool_get_default (osssink->bufsize, 6);
+ osssink->bufsize = g_value_get_uint (value);
g_object_notify (object, "buffer_size");
break;
+ case ARG_SYNC:
+ osssink->sync = g_value_get_boolean (value);
+ g_object_notify (G_OBJECT (osssink), "sync");
+ break;
+ case ARG_CHUNK_SIZE:
+ osssink->chunk_size = g_value_get_uint (value);
+ break;
default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
-static void
-gst_osssink_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
+static void
+gst_osssink_get_property (GObject * object, guint prop_id, GValue * value,
+ GParamSpec * pspec)
{
GstOssSink *osssink;
- /* it's not null if we got it, but it might not be ours */
- g_return_if_fail (GST_IS_OSSSINK (object));
-
osssink = GST_OSSSINK (object);
switch (prop_id) {
- case ARG_DEVICE:
- g_value_set_string (value, osssink->device);
- break;
case ARG_MUTE:
g_value_set_boolean (value, osssink->mute);
break;
- case ARG_FORMAT:
- g_value_set_int (value, osssink->format);
- break;
- case ARG_CHANNELS:
- g_value_set_enum (value, osssink->channels);
- break;
- case ARG_FREQUENCY:
- g_value_set_int (value, osssink->frequency);
- break;
case ARG_FRAGMENT:
- g_value_set_int (value, osssink->fragment);
+ g_value_set_int (value, GST_OSSELEMENT (osssink)->fragment);
break;
case ARG_BUFFER_SIZE:
- g_value_set_int (value, osssink->bufsize);
+ g_value_set_uint (value, osssink->bufsize);
+ break;
+ case ARG_SYNC:
+ g_value_set_boolean (value, osssink->sync);
+ break;
+ case ARG_CHUNK_SIZE:
+ g_value_set_uint (value, osssink->chunk_size);
break;
default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
-static gboolean
-gst_osssink_open_audio (GstOssSink *sink)
-{
- gint caps;
- g_return_val_if_fail (sink->fd == -1, FALSE);
-
- GST_INFO (GST_CAT_PLUGIN_INFO, "osssink: attempting to open sound device");
-
- /* first try to open the sound card */
- sink->fd = open(sink->device, O_WRONLY | O_NONBLOCK);
- if (errno == EBUSY) {
- g_warning ("osssink: unable to open the sound device (in use ?)\n");
- return FALSE;
- }
-
- /* re-open the sound device in blocking mode */
- close(sink->fd);
- sink->fd = open(sink->device, O_WRONLY);
-
- /* if we have it, set the default parameters and go have fun */
- if (sink->fd >= 0) {
- /* set card state */
- ioctl(sink->fd, SNDCTL_DSP_GETCAPS, &caps);
-
- GST_INFO(GST_CAT_PLUGIN_INFO, "osssink: Capabilities %08x", caps);
-
- if (caps & DSP_CAP_DUPLEX) GST_INFO (GST_CAT_PLUGIN_INFO, "osssink: Full duplex");
- if (caps & DSP_CAP_REALTIME) GST_INFO (GST_CAT_PLUGIN_INFO, "osssink: Realtime");
- if (caps & DSP_CAP_BATCH) GST_INFO (GST_CAT_PLUGIN_INFO, "osssink: Batch");
- if (caps & DSP_CAP_COPROC) GST_INFO (GST_CAT_PLUGIN_INFO, "osssink: Has coprocessor");
- if (caps & DSP_CAP_TRIGGER) GST_INFO (GST_CAT_PLUGIN_INFO, "osssink: Trigger");
- if (caps & DSP_CAP_MMAP) GST_INFO (GST_CAT_PLUGIN_INFO, "osssink: Direct access");
-
-#ifdef DSP_CAP_MULTI
- if (caps & DSP_CAP_MULTI) GST_INFO (GST_CAT_PLUGIN_INFO, "osssink: Multiple open");
-#endif /* DSP_CAP_MULTI */
-
-#ifdef DSP_CAP_BIND
- if (caps & DSP_CAP_BIND) GST_INFO (GST_CAT_PLUGIN_INFO, "osssink: Channel binding");
-#endif /* DSP_CAP_BIND */
-
- ioctl(sink->fd, SNDCTL_DSP_GETFMTS, &caps);
-
- GST_INFO (GST_CAT_PLUGIN_INFO, "osssink: Formats %08x", caps);
- if (caps & AFMT_MU_LAW) GST_INFO (GST_CAT_PLUGIN_INFO, "osssink: MU_LAW");
- if (caps & AFMT_A_LAW) GST_INFO (GST_CAT_PLUGIN_INFO, "osssink: A_LAW");
- if (caps & AFMT_IMA_ADPCM) GST_INFO (GST_CAT_PLUGIN_INFO, "osssink: IMA_ADPCM");
- if (caps & AFMT_U8) GST_INFO (GST_CAT_PLUGIN_INFO, "osssink: U8");
- if (caps & AFMT_S16_LE) GST_INFO (GST_CAT_PLUGIN_INFO, "osssink: S16_LE");
- if (caps & AFMT_S16_BE) GST_INFO (GST_CAT_PLUGIN_INFO, "osssink: S16_BE");
- if (caps & AFMT_S8) GST_INFO (GST_CAT_PLUGIN_INFO, "osssink: S8");
- if (caps & AFMT_U16_LE) GST_INFO (GST_CAT_PLUGIN_INFO, "osssink: U16_LE");
- if (caps & AFMT_U16_BE) GST_INFO (GST_CAT_PLUGIN_INFO, "osssink: U16_BE");
- if (caps & AFMT_MPEG) GST_INFO (GST_CAT_PLUGIN_INFO, "osssink: MPEG");
-#ifdef AFMT_AC3
- if (caps & AFMT_AC3) GST_INFO (GST_CAT_PLUGIN_INFO, "osssink: AC3");
-#endif
-
- GST_INFO (GST_CAT_PLUGIN_INFO, "osssink: opened audio (%s) with fd=%d", sink->device, sink->fd);
- GST_FLAG_SET (sink, GST_OSSSINK_OPEN);
-
- return TRUE;
- }
-
- return FALSE;
-}
-
-static void
-gst_osssink_close_audio (GstOssSink *sink)
-{
- if (sink->fd < 0) return;
-
- close(sink->fd);
- sink->fd = -1;
-
- GST_FLAG_UNSET (sink, GST_OSSSINK_OPEN);
-
- GST_INFO (GST_CAT_PLUGIN_INFO, "osssink: closed sound device");
-}
-
-static GstElementStateReturn
-gst_osssink_change_state (GstElement *element)
+static GstElementStateReturn
+gst_osssink_change_state (GstElement * element)
{
GstOssSink *osssink;
- g_return_val_if_fail (GST_IS_OSSSINK (element), FALSE);
-
osssink = GST_OSSSINK (element);
switch (GST_STATE_TRANSITION (element)) {
- case GST_STATE_NULL_TO_READY:
- if (!GST_FLAG_IS_SET (element, GST_OSSSINK_OPEN)) {
- if (!gst_osssink_open_audio (osssink)) {
- return GST_STATE_FAILURE;
- }
- }
- break;
case GST_STATE_READY_TO_PAUSED:
- osssink->offset = -1LL;
break;
case GST_STATE_PAUSED_TO_PLAYING:
- /* gst_clock_adjust (osssink->clock, osssink->offset - gst_clock_get_time (osssink->clock)); */
+ gst_audio_clock_set_active (GST_AUDIO_CLOCK (osssink->provided_clock),
+ TRUE);
break;
case GST_STATE_PLAYING_TO_PAUSED:
- {
- if (GST_FLAG_IS_SET (element, GST_OSSSINK_OPEN)) {
- if (osssink->bps) {
- GstClockTime time;
- audio_buf_info ospace;
- gint queued;
-
- ioctl (osssink->fd, SNDCTL_DSP_GETOSPACE, &ospace);
- ioctl (osssink->fd, SNDCTL_DSP_RESET, 0);
-
- queued = (ospace.fragstotal * ospace.fragsize) - ospace.bytes;
- time = osssink->offset + (osssink->handled - queued) * 1000000LL / osssink->bps;
-
- //gst_clock_adjust (osssink->clock, time - gst_clock_get_time (osssink->clock));
- }
- else {
- ioctl (osssink->fd, SNDCTL_DSP_RESET, 0);
- }
- }
-
+ if (GST_FLAG_IS_SET (element, GST_OSSSINK_OPEN))
+ ioctl (GST_OSSELEMENT (osssink)->fd, SNDCTL_DSP_RESET, 0);
+ gst_audio_clock_set_active (GST_AUDIO_CLOCK (osssink->provided_clock),
+ FALSE);
break;
- }
case GST_STATE_PAUSED_TO_READY:
if (GST_FLAG_IS_SET (element, GST_OSSSINK_OPEN))
- ioctl (osssink->fd, SNDCTL_DSP_RESET, 0);
+ ioctl (GST_OSSELEMENT (osssink)->fd, SNDCTL_DSP_RESET, 0);
+ gst_osselement_reset (GST_OSSELEMENT (osssink));
+ osssink->handled = 0;
+ osssink->resync = TRUE;
break;
- case GST_STATE_READY_TO_NULL:
- if (GST_FLAG_IS_SET (element, GST_OSSSINK_OPEN))
- gst_osssink_close_audio (osssink);
+ default:
break;
}
-
+
if (GST_ELEMENT_CLASS (parent_class)->change_state)
return GST_ELEMENT_CLASS (parent_class)->change_state (element);
return GST_STATE_SUCCESS;
}
-
-gboolean
-gst_osssink_factory_init (GstPlugin *plugin)
-{
- GstElementFactory *factory;
-
- factory = gst_element_factory_new ("osssink", GST_TYPE_OSSSINK, &gst_osssink_details);
- g_return_val_if_fail (factory != NULL, FALSE);
-
- gst_element_factory_add_pad_template (factory, GST_PAD_TEMPLATE_GET (osssink_sink_factory));
-
- gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));
-
- return TRUE;
-}
-
projects / platform / upstream / gst-plugins-good.git / blobdiff