-/* Gnome-Streamer
- * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+/* GStreamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@temple-baptist.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* Boston, MA 02111-1307, USA.
*/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
#include <string.h>
#include "flx_fmt.h"
#include "gstflxdec.h"
+#include <gst/video/video.h>
-static GstCaps* flxdec_typefind(GstBuffer *buf, gpointer private);
+#define JIFFIE (GST_SECOND/70)
/* flx element information */
static GstElementDetails flxdec_details = {
"FLX Decoder",
- "flxdec",
+ "Codec/Decoder/Audio",
"FLX decoder",
- VERSION,
"Sepp Wijnands <mrrazz@garbage-coderz.net>"
- "(C) 2001",
-};
-
-static GstTypeDefinition flxdec_definition = {
- "flxdec_video/fli",
- "video/fli",
- ".flc .fli",
- flxdec_typefind,
};
/* Flx signals and args */
};
/* input */
-GST_PADTEMPLATE_FACTORY (sink_factory,
+static GstStaticPadTemplate sink_factory =
+GST_STATIC_PAD_TEMPLATE (
"sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
- GST_CAPS_NEW (
- "flxdec_sink",
- "video/fli",
- NULL
- )
-)
+ GST_STATIC_CAPS ( "video/x-fli" )
+);
/* output */
-GST_PADTEMPLATE_FACTORY (src_video_factory,
+static GstStaticPadTemplate src_video_factory =
+GST_STATIC_PAD_TEMPLATE (
"src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
- GST_CAPS_NEW (
- "src_video",
- "video/raw",
- "format", GST_PROPS_FOURCC (GST_MAKE_FOURCC ('R', 'G', 'B', ' ')),
- "bpp", GST_PROPS_INT (32),
- "depth", GST_PROPS_INT (32),
- "endianness", GST_PROPS_INT (G_LITTLE_ENDIAN),
- "red_mask", GST_PROPS_INT (0x00ff0000),
- "green_mask", GST_PROPS_INT (0x0000ff00),
- "blue_mask", GST_PROPS_INT (0x000000ff),
- "width", GST_PROPS_INT_RANGE(320, 1280),
- "height", GST_PROPS_INT_RANGE(200, 1024)
- )
-)
+ GST_STATIC_CAPS ( GST_VIDEO_RGB_PAD_TEMPLATE_CAPS_32 )
+);
static void gst_flxdec_class_init (GstFlxDecClass *klass);
+static void gst_flxdec_base_init (GstFlxDecClass *klass);
static void gst_flxdec_init (GstFlxDec *flxdec);
static void gst_flxdec_loop (GstElement *element);
+static GstElementStateReturn
+ gst_flxdec_change_state (GstElement *element);
+
static void gst_flxdec_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
static void gst_flxdec_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
-static void flx_decode_color(GstFlxDec *, guchar *, guchar *);
-static void flx_decode_brun(GstFlxDec *, guchar *, guchar *);
-static void flx_decode_delta_fli(GstFlxDec *, guchar *, guchar *);
-static void flx_decode_delta_flc(GstFlxDec *, guchar *, guchar *);
+static void flx_decode_color (GstFlxDec *, guchar *, guchar *, gint);
+static void flx_decode_brun (GstFlxDec *, guchar *, guchar *);
+static void flx_decode_delta_fli (GstFlxDec *, guchar *, guchar *);
+static void flx_decode_delta_flc (GstFlxDec *, guchar *, guchar *);
#define rndalign(off) ((off) + ((off) % 2))
static GstElementClass *parent_class = NULL;
-static GstCaps*
-flxdec_typefind (GstBuffer *buf, gpointer private)
-{
- guchar *data = GST_BUFFER_DATA(buf);
- GstCaps *new;
-
- // check magic
- if ((data[4] == 0x11 || data[4] == 0x12
- || data[4] == 0x30 || data[4] == 0x44) && data[5] == 0xaf) {
- // check the frame type of the first frame
- if ((data[132] == 0x00 || data[132] == 0xfa) && data[133] == 0xf1) {
- g_print("GstFlxDec: found supported flx format\n");
- new = gst_caps_new("flxdec_typefind","video/fli", NULL);
- return new;
- }
- }
-
- return NULL;
-}
-
-
GType
gst_flxdec_get_type(void)
{
if (!flxdec_type) {
static const GTypeInfo flxdec_info = {
- sizeof(GstFlxDecClass), NULL,
+ sizeof(GstFlxDecClass),
+ (GBaseInitFunc)gst_flxdec_base_init,
NULL,
(GClassInitFunc)gst_flxdec_class_init,
NULL,
return flxdec_type;
}
+static void
+gst_flxdec_base_init (GstFlxDecClass *klass)
+{
+ GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass);
+
+ gst_element_class_set_details (gstelement_class, &flxdec_details);
+ gst_element_class_add_pad_template (gstelement_class,
+ gst_static_pad_template_get (&sink_factory));
+ gst_element_class_add_pad_template (gstelement_class,
+ gst_static_pad_template_get (&src_video_factory));
+}
+
static void
gst_flxdec_class_init (GstFlxDecClass *klass)
{
parent_class = g_type_class_ref(GST_TYPE_ELEMENT);
- gobject_class->set_property = NULL;
- gobject_class->get_property = NULL;
+ gobject_class->set_property = gst_flxdec_set_property;
+ gobject_class->get_property = gst_flxdec_get_property;
+ gstelement_class->change_state = gst_flxdec_change_state;
}
gst_flxdec_init(GstFlxDec *flxdec)
{
flxdec->sinkpad = gst_pad_new_from_template (
- GST_PADTEMPLATE_GET (sink_factory), "sink");
+ gst_static_pad_template_get (&sink_factory), "sink");
gst_element_add_pad(GST_ELEMENT(flxdec),flxdec->sinkpad);
gst_element_set_loop_function(GST_ELEMENT(flxdec),gst_flxdec_loop);
flxdec->srcpad = gst_pad_new_from_template (
- GST_PADTEMPLATE_GET (src_video_factory), "src");
+ gst_static_pad_template_get (&src_video_factory), "src");
gst_element_add_pad(GST_ELEMENT(flxdec),flxdec->srcpad);
- flxdec->buf = NULL;
- flxdec->offset = 0;
- flxdec->new_buf = TRUE;
-
+ flxdec->bs = NULL;
+ flxdec->frame = NULL;
+ flxdec->delta = NULL;
}
static void
switch(hdr->id)
{
case FLX_COLOR64:
+ flx_decode_color(flxdec, data, dest, 2);
+ data += rndalign(hdr->size) - FlxFrameChunkSize;
+ break;
+
case FLX_COLOR256:
- flx_decode_color(flxdec, data, dest);
+ flx_decode_color(flxdec, data, dest, 0);
data += rndalign(hdr->size) - FlxFrameChunkSize;
break;
static void
-flx_decode_color(GstFlxDec *flxdec, guchar *data, guchar *dest)
+flx_decode_color(GstFlxDec *flxdec, guchar *data, guchar *dest, gint scale)
{
guint packs, count, indx;
count = 256;
g_print("GstFlxDec: cmap count: %d (indx: %d)\n", count, indx);
- flx_set_palette_vector(flxdec->converter, indx, count, data);
+ flx_set_palette_vector(flxdec->converter, indx, count, data, scale);
data += (count * 3);
}
/* packet count */
packets = *data++;
- dest = start_p + (flxdec->hdr.width * (start_l - lines));
-
while(packets--) {
/* skip count */
dest += *data++;
*dest++ = *data++;
}
}
+ start_p += flxdec->hdr.width;
+ dest = start_p;
}
}
start_p = dest;
start_l = lines;
- while(lines--) {
+ while (lines) {
dest = start_p + (flxdec->hdr.width * (start_l - lines));
/* process opcode(s) */
}
}
}
+ lines--;
}
}
flx_get_data(GstFlxDec *flxdec, gulong size)
{
GstBuffer *retbuf;
+ guint32 got_bytes;
g_return_val_if_fail (flxdec != NULL, NULL);
- if (flxdec->new_buf) {
- retbuf = gst_pad_pullregion(flxdec->sinkpad,
- GST_REGION_OFFSET_LEN, 0, size);
- flxdec->new_buf = FALSE;
- flxdec->offset = size;
- } else {
- retbuf = gst_pad_pullregion(flxdec->sinkpad, GST_REGION_OFFSET_LEN,
- flxdec->offset, size);
- flxdec->offset += size;
+ got_bytes = gst_bytestream_read (flxdec->bs, &retbuf, size);
+ if (got_bytes < size) {
+ GstEvent *event;
+ guint32 remaining;
+
+ gst_bytestream_get_status (flxdec->bs, &remaining, &event);
+ gst_pad_event_default (flxdec->sinkpad, event);
}
return retbuf;
GstBuffer *buf;
GstBuffer *databuf;
guchar *data, *chunk;
+ GstCaps *caps;
GstFlxDec *flxdec;
FlxHeader *flxh;
g_return_if_fail (element != NULL);
g_return_if_fail (GST_IS_FLXDEC(element));
- GST_DEBUG (0, "entering loop function\n");
+ GST_DEBUG ("entering loop function");
flxdec = GST_FLXDEC(element);
- databuf = flx_get_data(flxdec, FlxHeaderSize);
+ if (flxdec->state == GST_FLXDEC_READ_HEADER) {
+ databuf = flx_get_data(flxdec, FlxHeaderSize);
- g_return_if_fail (databuf != NULL);
+ if (!databuf) {
+ g_print ("empty buffer\n");
+ return;
+ }
- data = GST_BUFFER_DATA(databuf);
+ data = GST_BUFFER_DATA(databuf);
- memcpy((char *) &flxdec->hdr, data, sizeof(FlxHeader));
+ memcpy((char *) &flxdec->hdr, data, sizeof(FlxHeader));
- gst_buffer_unref (databuf);
+ gst_buffer_unref (databuf);
- flxh = &flxdec->hdr;
+ flxh = &flxdec->hdr;
- // check header
- if (flxh->type != FLX_MAGICHDR_FLI &&
+ /* check header */
+ if (flxh->type != FLX_MAGICHDR_FLI &&
flxh->type != FLX_MAGICHDR_FLC &&
- flxh->type != FLX_MAGICHDR_FLX)
+ flxh->type != FLX_MAGICHDR_FLX) {
+ gst_element_error (element, "not a flx file (type %d)\n", flxh->type);
return;
+ }
- g_print("GstFlxDec: size : %d\n", flxh->size);
- g_print("GstFlxDec: frames : %d\n", flxh->frames);
- g_print("GstFlxDec: width : %d\n", flxh->width);
- g_print("GstFlxDec: height : %d\n", flxh->height);
- g_print("GstFlxDec: depth : %d\n", flxh->depth);
- g_print("GstFlxDec: speed : %d\n", flxh->speed);
-
- gst_pad_set_caps (flxdec->srcpad,
- gst_caps_new (
- "src_video",
- "video/raw",
- gst_props_new (
- "format", GST_PROPS_FOURCC (GST_MAKE_FOURCC ('R', 'G', 'B', ' ')),
- "bpp", GST_PROPS_INT (32),
- "depth", GST_PROPS_INT (32),
- "endianness", GST_PROPS_INT (G_LITTLE_ENDIAN),
- "red_mask", GST_PROPS_INT (0x00ff0000),
- "green_mask", GST_PROPS_INT (0x0000ff00),
- "blue_mask", GST_PROPS_INT (0x000000ff),
- "width", GST_PROPS_INT (flxh->width),
- "height", GST_PROPS_INT (flxh->height),
- NULL)));
-
- if (flxh->depth <= 8)
- flxdec->converter = flx_colorspace_converter_new(flxh->width, flxh->height);
-
- if (flxh->type == FLX_MAGICHDR_FLC ||
- flxh->type == FLX_MAGICHDR_FLX) {
- g_print("GstFlxDec: (FLC) aspect_dx : %d\n",
- flxh->aspect_dx);
- g_print("GstFlxDec: (FLC) aspect_dy : %d\n",
- flxh->aspect_dy);
- g_print("GstFlxDec: (FLC) oframe1 : 0x%08x\n",
- flxh->oframe1);
- g_print("GstFlxDec: (FLC) oframe2 : 0x%08x\n",
- flxh->oframe2);
- }
+ g_print("GstFlxDec: size : %d\n", flxh->size);
+ g_print("GstFlxDec: frames : %d\n", flxh->frames);
+ g_print("GstFlxDec: width : %d\n", flxh->width);
+ g_print("GstFlxDec: height : %d\n", flxh->height);
+ g_print("GstFlxDec: depth : %d\n", flxh->depth);
+ g_print("GstFlxDec: speed : %d\n", flxh->speed);
+
+ flxdec->next_time = 0;
+ if (flxh->type == FLX_MAGICHDR_FLI) {
+ flxdec->frame_time = JIFFIE * flxh->speed;
+ }
+ else {
+ flxdec->frame_time = flxh->speed * GST_MSECOND;
+ }
+
+ caps = gst_caps_from_string (GST_VIDEO_RGB_PAD_TEMPLATE_CAPS_32);
+ gst_caps_set_simple (caps,
+ "width", G_TYPE_INT, flxh->width,
+ "height", G_TYPE_INT, flxh->height,
+ "framerate", G_TYPE_DOUBLE, GST_SECOND/flxdec->frame_time, NULL);
+
+ if (flxh->depth <= 8)
+ flxdec->converter = flx_colorspace_converter_new(flxh->width, flxh->height);
+
+ if (flxh->type == FLX_MAGICHDR_FLC ||
+ flxh->type == FLX_MAGICHDR_FLX) {
+ g_print("GstFlxDec: (FLC) aspect_dx : %d\n", flxh->aspect_dx);
+ g_print("GstFlxDec: (FLC) aspect_dy : %d\n", flxh->aspect_dy);
+ g_print("GstFlxDec: (FLC) oframe1 : 0x%08x\n", flxh->oframe1);
+ g_print("GstFlxDec: (FLC) oframe2 : 0x%08x\n", flxh->oframe2);
+ }
- flxdec->size = (flxh->width * flxh->height);
+ flxdec->size = (flxh->width * flxh->height);
- // create delta and output frame
- flxdec->frame = gst_buffer_new();
- flxdec->delta = gst_buffer_new();
- GST_BUFFER_DATA(flxdec->frame) = g_malloc(flxdec->size);
- GST_BUFFER_SIZE(flxdec->frame) = flxdec->size;
- GST_BUFFER_DATA(flxdec->delta) = g_malloc(flxdec->size);
- GST_BUFFER_SIZE(flxdec->delta) = flxdec->size;
-
- do
- {
+ /* create delta and output frame */
+ flxdec->frame = gst_buffer_new();
+ flxdec->delta = gst_buffer_new();
+ GST_BUFFER_DATA(flxdec->frame) = g_malloc(flxdec->size);
+ GST_BUFFER_SIZE(flxdec->frame) = flxdec->size;
+ GST_BUFFER_DATA(flxdec->delta) = g_malloc(flxdec->size);
+ GST_BUFFER_SIZE(flxdec->delta) = flxdec->size;
+
+ flxdec->state = GST_FLXDEC_PLAYING;
+ }
+ else if (flxdec->state == GST_FLXDEC_PLAYING) {
+ GstBuffer *out;
databuf = flx_get_data(flxdec, FlxFrameChunkSize);
+ if (!databuf)
+ return;
flxfh = (FlxFrameChunk *) GST_BUFFER_DATA(databuf);
- switch(flxfh->id)
- {
+ switch(flxfh->id) {
case FLX_FRAME_TYPE:
buf = flx_get_data(flxdec, flxfh->size-FlxFrameChunkSize);
if (((FlxFrameType *)chunk)->chunks == 0)
break;
- // create 32 bits output frame
- flxdec->out = gst_buffer_new();
- GST_BUFFER_DATA(flxdec->out) = g_malloc(flxdec->size * 4);
- GST_BUFFER_SIZE(flxdec->out) = flxdec->size * 4;
+ /* create 32 bits output frame */
+ out = gst_buffer_new();
+ GST_BUFFER_DATA(out) = g_malloc(flxdec->size * 4);
+ GST_BUFFER_SIZE(out) = flxdec->size * 4;
-
- // decode chunks
+ /* decode chunks */
flx_decode_chunks(flxdec,
((FlxFrameType *)chunk)->chunks,
GST_BUFFER_DATA(buf) + FlxFrameTypeSize,
GST_BUFFER_DATA(flxdec->frame));
- // destroy input buffer
+ /* destroy input buffer*/
gst_buffer_unref(buf);
- // save copy of the current frame for possible delta.
+ /* save copy of the current frame for possible delta. */
memcpy(GST_BUFFER_DATA(flxdec->delta),
GST_BUFFER_DATA(flxdec->frame),
GST_BUFFER_SIZE(flxdec->delta));
- // convert current frame.
+ /* convert current frame. */
flx_colorspace_convert(flxdec->converter,
GST_BUFFER_DATA(flxdec->frame),
- GST_BUFFER_DATA(flxdec->out));
+ GST_BUFFER_DATA(out));
+
+ GST_BUFFER_TIMESTAMP (out) = flxdec->next_time;
+ flxdec->next_time += flxdec->frame_time;
- gst_pad_push(flxdec->srcpad, flxdec->out);
+ gst_pad_push(flxdec->srcpad, GST_DATA (out));
break;
}
- // destroy header buffer
+ /* destroy header buffer */
gst_buffer_unref(databuf);
+ }
+}
- gst_element_yield (element);
+static GstElementStateReturn
+gst_flxdec_change_state (GstElement *element)
+{
+ GstFlxDec *flxdec;
+
+ flxdec = GST_FLXDEC(element);
+
+ switch (GST_STATE_TRANSITION (element)) {
+ case GST_STATE_NULL_TO_READY:
+ break;
+ case GST_STATE_READY_TO_PAUSED:
+ flxdec->bs = gst_bytestream_new (flxdec->sinkpad);
+ flxdec->state = GST_FLXDEC_READ_HEADER;
+ break;
+ case GST_STATE_PAUSED_TO_PLAYING:
+ break;
+ case GST_STATE_PLAYING_TO_PAUSED:
+ break;
+ case GST_STATE_PAUSED_TO_READY:
+ gst_buffer_unref (flxdec->frame);
+ flxdec->frame = NULL;
+ gst_buffer_unref (flxdec->delta);
+ flxdec->delta = NULL;
+ gst_bytestream_destroy (flxdec->bs);
+ break;
+ case GST_STATE_READY_TO_NULL:
+ break;
}
- while (TRUE);
+
+ parent_class->change_state (element);
+ return GST_STATE_SUCCESS;
}
static void
}
static gboolean
-plugin_init (GModule *module, GstPlugin *plugin)
+plugin_init (GstPlugin *plugin)
{
- GstElementFactory *factory;
- GstTypeFactory *type;
+ if (!gst_library_load ("gstbytestream"))
+ return FALSE;
- factory = gst_elementfactory_new("flxdec", GST_TYPE_FLXDEC, &flxdec_details);
- g_return_val_if_fail(factory != NULL, FALSE);
-
- gst_elementfactory_add_padtemplate (factory, GST_PADTEMPLATE_GET (sink_factory));
- gst_elementfactory_add_padtemplate (factory, GST_PADTEMPLATE_GET (src_video_factory));
-
- gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));
-
- type = gst_typefactory_new (&flxdec_definition);
- gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (type));
-
- return TRUE;
+ return gst_element_register (plugin, "flxdec",
+ GST_RANK_PRIMARY, GST_TYPE_FLXDEC);
}
-GstPluginDesc plugin_desc = {
+GST_PLUGIN_DEFINE (
GST_VERSION_MAJOR,
GST_VERSION_MINOR,
"flxdec",
- plugin_init
-};
+ "FLX video decoder",
+ plugin_init,
+ VERSION,
+ GST_LICENSE,
+ GST_PACKAGE,
+ GST_ORIGIN
+)
projects / platform / upstream / gst-plugins-good.git / blobdiff