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ext/ffmpeg/gstffmpegdec.c: Don't crash in debug message by dereferencing the NULL buffer gst_ffmpegdec_frame() gets p...

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Original commit message from CVS:
* ext/ffmpeg/gstffmpegdec.c: (gst_ffmpegdec_frame),
(gst_ffmpegdec_sink_event):
Don't crash in debug message by dereferencing the NULL buffer
gst_ffmpegdec_frame() gets passed on EOS. Take STREAM_LOCK for
EOS, TAG, NEWSEGMENT and FLUSH_STOP events.
This commit is contained in:
Tim-Philipp Müller 2005-11-14 16:00:38 +00:00
parent b91552ca4a
commit b094df3973
3 changed files with 215 additions and 179 deletions
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8
ChangeLog
View file

@ -1,3 +1,11 @@
2005-11-14 Tim-Philipp Müller <tim at centricular dot net>
* ext/ffmpeg/gstffmpegdec.c: (gst_ffmpegdec_frame),
(gst_ffmpegdec_sink_event):
Don't crash in debug message by dereferencing the NULL buffer
gst_ffmpegdec_frame() gets passed on EOS. Take STREAM_LOCK for
EOS, TAG, NEWSEGMENT and FLUSH_STOP events.
2005-11-11 Thomas Vander Stichele <thomas at apestaart dot org>
* configure.ac: back to HEAD

2
common

@ -1 +1 @@
Subproject commit 959da4a43c2e6218eb4f43e8c7e29c1db4157db1
Subproject commit 657b549dfb640a76f3d7ab7676e453c801a83dca

384
ext/ffmpeg/gstffmpegdec.c
View file

@ -51,13 +51,16 @@ struct _GstFFMpegDec
AVCodecContext *context;
AVFrame *picture;
gboolean opened;
union {
struct {
union
{
struct
{
gint width, height;
gdouble fps, old_fps;
enum PixelFormat pix_fmt;
} video;
struct {
struct
{
gint channels, samplerate;
} audio;
} format;
@ -70,7 +73,7 @@ struct _GstFFMpegDec
GstBuffer *last_buffer;
GValue *par; /* pixel aspect ratio of incoming data */
GValue *par; /* pixel aspect ratio of incoming data */
gint hurry_up, lowres;
};
@ -119,7 +122,7 @@ static void gst_ffmpegdec_class_init (GstFFMpegDecClass * klass);
static void gst_ffmpegdec_init (GstFFMpegDec * ffmpegdec);
static void gst_ffmpegdec_dispose (GObject * object);
static gboolean gst_ffmpegdec_query (GstPad * pad, GstQuery *query);
static gboolean gst_ffmpegdec_query (GstPad * pad, GstQuery * query);
static gboolean gst_ffmpegdec_event (GstPad * pad, GstEvent * event);
static gboolean gst_ffmpegdec_setcaps (GstPad * pad, GstCaps * caps);
@ -305,7 +308,7 @@ gst_ffmpegdec_dispose (GObject * object)
}
static gboolean
gst_ffmpegdec_query (GstPad * pad, GstQuery *query)
gst_ffmpegdec_query (GstPad * pad, GstQuery * query)
{
GstFFMpegDec *ffmpegdec;
GstPad *peer;
@ -325,8 +328,8 @@ gst_ffmpegdec_query (GstPad * pad, GstQuery *query)
#if 0
/* ok, do bitrate calc... */
if ((type != GST_QUERY_POSITION && type != GST_QUERY_TOTAL) ||
*fmt != GST_FORMAT_TIME || ffmpegdec->context->bit_rate == 0 ||
!gst_pad_query (peer, type, &bfmt, value))
*fmt != GST_FORMAT_TIME || ffmpegdec->context->bit_rate == 0 ||
!gst_pad_query (peer, type, &bfmt, value))
return FALSE;
if (ffmpegdec->pcache && type == GST_QUERY_POSITION)
@ -347,13 +350,13 @@ gst_ffmpegdec_event (GstPad * pad, GstEvent * event)
{
GstFFMpegDec *ffmpegdec;
GstPad *peer;
ffmpegdec = (GstFFMpegDec *) GST_PAD_PARENT (pad);
peer = GST_PAD_PEER (ffmpegdec->sinkpad);
if (!peer)
return FALSE;
gst_event_ref (event);
if (gst_pad_send_event (peer, event)) {
gst_event_unref (event);
@ -362,11 +365,11 @@ gst_ffmpegdec_event (GstPad * pad, GstEvent * event)
gst_event_unref (event);
return FALSE; /* .. */
return FALSE; /* .. */
}
static void
gst_ffmpegdec_close (GstFFMpegDec *ffmpegdec)
gst_ffmpegdec_close (GstFFMpegDec * ffmpegdec)
{
if (!ffmpegdec->opened)
return;
@ -404,7 +407,7 @@ gst_ffmpegdec_close (GstFFMpegDec *ffmpegdec)
}
static gboolean
gst_ffmpegdec_open (GstFFMpegDec *ffmpegdec)
gst_ffmpegdec_open (GstFFMpegDec * ffmpegdec)
{
GstFFMpegDecClass *oclass =
(GstFFMpegDecClass *) (G_OBJECT_GET_CLASS (ffmpegdec));
@ -472,16 +475,15 @@ gst_ffmpegdec_setcaps (GstPad * pad, GstCaps * caps)
/* set defaults */
avcodec_get_context_defaults (ffmpegdec->context);
/* set buffer functions */
/* set buffer functions */
ffmpegdec->context->get_buffer = gst_ffmpegdec_get_buffer;
ffmpegdec->context->release_buffer = gst_ffmpegdec_release_buffer;
ffmpegdec->context->release_buffer = gst_ffmpegdec_release_buffer;
/* get size and so */
gst_ffmpeg_caps_with_codecid (oclass->in_plugin->id,
oclass->in_plugin->type, caps, ffmpegdec->context);
if (!ffmpegdec->context->time_base.den ||
!ffmpegdec->context->time_base.num) {
if (!ffmpegdec->context->time_base.den || !ffmpegdec->context->time_base.num) {
GST_DEBUG ("forcing 25/1 framerate");
ffmpegdec->context->time_base.num = 1;
ffmpegdec->context->time_base.den = 25;
@ -534,48 +536,47 @@ gst_ffmpegdec_get_buffer (AVCodecContext * context, AVFrame * picture)
{
GstBuffer *buf = NULL;
gulong bufsize = 0;
GstFFMpegDec *ffmpegdec = (GstFFMpegDec *) context->opaque;
int width = context->width;
GstFFMpegDec *ffmpegdec = (GstFFMpegDec *) context->opaque;
int width = context->width;
int height = context->height;
switch (context->codec_type) {
case CODEC_TYPE_VIDEO:
avcodec_align_dimensions(context, &width, &height);
bufsize = avpicture_get_size (context->pix_fmt,
width, height);
if((width != context->width) || (height != context->height)) {
#ifdef FORCE_OUR_GET_BUFFER
context->width = width;
context->height = height;
#else
/* revert to ffmpeg's default functions */
ffmpegdec->context->get_buffer = avcodec_default_get_buffer;
ffmpegdec->context->release_buffer = avcodec_default_release_buffer;
return avcodec_default_get_buffer(context, picture);
avcodec_align_dimensions (context, &width, &height);
bufsize = avpicture_get_size (context->pix_fmt, width, height);
if ((width != context->width) || (height != context->height)) {
#ifdef FORCE_OUR_GET_BUFFER
context->width = width;
context->height = height;
#else
/* revert to ffmpeg's default functions */
ffmpegdec->context->get_buffer = avcodec_default_get_buffer;
ffmpegdec->context->release_buffer = avcodec_default_release_buffer;
return avcodec_default_get_buffer (context, picture);
#endif
}
if (!gst_ffmpegdec_negotiate (ffmpegdec)) {
GST_ELEMENT_ERROR (ffmpegdec, CORE, NEGOTIATION, (NULL),
("Failed to link ffmpeg decoder to next element"));
return avcodec_default_get_buffer(context, picture);
}
if (gst_pad_alloc_buffer (ffmpegdec->srcpad, GST_BUFFER_OFFSET_NONE,
bufsize, GST_PAD_CAPS (ffmpegdec->srcpad), &buf) != GST_FLOW_OK)
if (!gst_ffmpegdec_negotiate (ffmpegdec)) {
GST_ELEMENT_ERROR (ffmpegdec, CORE, NEGOTIATION, (NULL),
("Failed to link ffmpeg decoder to next element"));
return avcodec_default_get_buffer (context, picture);
}
if (gst_pad_alloc_buffer (ffmpegdec->srcpad, GST_BUFFER_OFFSET_NONE,
bufsize, GST_PAD_CAPS (ffmpegdec->srcpad), &buf) != GST_FLOW_OK)
return -1;
ffmpegdec->last_buffer = buf;
gst_ffmpeg_avpicture_fill ((AVPicture *) picture,
GST_BUFFER_DATA (buf),
context->pix_fmt, context->width, context->height);
break;
case CODEC_TYPE_AUDIO:
default:
g_assert (0);
@ -603,8 +604,8 @@ gst_ffmpegdec_release_buffer (AVCodecContext * context, AVFrame * picture)
{
gint i;
GstBuffer *buf = GST_BUFFER (picture->opaque);
GstFFMpegDec *ffmpegdec = (GstFFMpegDec *) context->opaque;
GstFFMpegDec *ffmpegdec = (GstFFMpegDec *) context->opaque;
g_return_if_fail (buf != NULL);
g_return_if_fail (picture->type == FF_BUFFER_TYPE_USER);
@ -632,7 +633,7 @@ gst_ffmpegdec_negotiate (GstFFMpegDec * ffmpegdec)
if (ffmpegdec->format.video.width == ffmpegdec->context->width &&
ffmpegdec->format.video.height == ffmpegdec->context->height &&
ffmpegdec->format.video.fps == ffmpegdec->format.video.old_fps &&
ffmpegdec->format.video.pix_fmt == ffmpegdec->context->pix_fmt)
ffmpegdec->format.video.pix_fmt == ffmpegdec->context->pix_fmt)
return TRUE;
GST_DEBUG ("Renegotiating video from %dx%d@%0.2ffps to %dx%d@%0.2ffps",
ffmpegdec->format.video.width, ffmpegdec->format.video.height,
@ -645,7 +646,7 @@ gst_ffmpegdec_negotiate (GstFFMpegDec * ffmpegdec)
break;
case CODEC_TYPE_AUDIO:
if (ffmpegdec->format.audio.samplerate ==
ffmpegdec->context->sample_rate &&
ffmpegdec->context->sample_rate &&
ffmpegdec->format.audio.channels == ffmpegdec->context->channels)
return TRUE;
GST_DEBUG ("Renegotiating audio from %dHz@%dchannels to %dHz@%dchannels",
@ -661,40 +662,37 @@ gst_ffmpegdec_negotiate (GstFFMpegDec * ffmpegdec)
caps = gst_ffmpeg_codectype_to_caps (oclass->in_plugin->type,
ffmpegdec->context);
if (caps) {
/* If a demuxer provided a framerate then use it (#313970) */
if (ffmpegdec->format.video.fps != -1.0) {
gst_structure_set (gst_caps_get_structure (caps, 0), "framerate",
G_TYPE_DOUBLE, ffmpegdec->format.video.fps, NULL);
}
if (caps) {
/* If a demuxer provided a framerate then use it (#313970) */
if (ffmpegdec->format.video.fps != -1.0) {
gst_structure_set (gst_caps_get_structure (caps, 0), "framerate",
G_TYPE_DOUBLE, ffmpegdec->format.video.fps, NULL);
}
/* Add pixel-aspect-ratio if we have it. Prefer
* ffmpeg PAR over sink PAR (since it's provided
* by the codec, which is more often correct).
*/
if (ffmpegdec->context->sample_aspect_ratio.num &&
ffmpegdec->context->sample_aspect_ratio.den) {
GST_DEBUG ("setting ffmpeg provided pixel-aspect-ratio");
gst_structure_set (gst_caps_get_structure (caps, 0),
"pixel-aspect-ratio", GST_TYPE_FRACTION,
ffmpegdec->context->sample_aspect_ratio.num,
ffmpegdec->context->sample_aspect_ratio.den,
NULL);
/* Add pixel-aspect-ratio if we have it. Prefer
* ffmpeg PAR over sink PAR (since it's provided
* by the codec, which is more often correct).
*/
if (ffmpegdec->context->sample_aspect_ratio.num &&
ffmpegdec->context->sample_aspect_ratio.den) {
GST_DEBUG ("setting ffmpeg provided pixel-aspect-ratio");
gst_structure_set (gst_caps_get_structure (caps, 0),
"pixel-aspect-ratio", GST_TYPE_FRACTION,
ffmpegdec->context->sample_aspect_ratio.num,
ffmpegdec->context->sample_aspect_ratio.den, NULL);
} else if (ffmpegdec->par) {
GST_DEBUG ("passing on pixel-aspect-ratio from sink");
gst_structure_set (gst_caps_get_structure (caps, 0),
"pixel-aspect-ratio", GST_TYPE_FRACTION,
gst_value_get_fraction_numerator (ffmpegdec->par),
gst_value_get_fraction_denominator (ffmpegdec->par),
NULL);
gst_value_get_fraction_numerator (ffmpegdec->par),
gst_value_get_fraction_denominator (ffmpegdec->par), NULL);
}
}
if (caps == NULL ||
!gst_pad_set_caps (ffmpegdec->srcpad, caps)) {
if (caps == NULL || !gst_pad_set_caps (ffmpegdec->srcpad, caps)) {
GST_ELEMENT_ERROR (ffmpegdec, CORE, NEGOTIATION, (NULL),
("Failed to link ffmpeg decoder (%s) to next element",
oclass->in_plugin->name));
oclass->in_plugin->name));
if (caps != NULL)
gst_caps_unref (caps);
@ -721,18 +719,18 @@ gst_ffmpegdec_frame (GstFFMpegDec * ffmpegdec,
return -1;
GST_DEBUG_OBJECT (ffmpegdec,
"data:%p, size:%d, *in_ts:%"GST_TIME_FORMAT" inbuf:%p inbuf.ts:%"GST_TIME_FORMAT,
data, size, GST_TIME_ARGS (*in_ts), inbuf,
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (inbuf)));
"data:%p, size:%d, *in_ts:%" GST_TIME_FORMAT " inbuf:%p inbuf.ts:%"
GST_TIME_FORMAT, data, size, GST_TIME_ARGS (*in_ts), inbuf,
GST_TIME_ARGS ((inbuf) ? GST_BUFFER_TIMESTAMP (inbuf) : 0));
ffmpegdec->context->frame_number++;
switch (oclass->in_plugin->type) {
case CODEC_TYPE_VIDEO:
ffmpegdec->picture->pict_type = -1; /* in case we skip frames */
ffmpegdec->picture->pict_type = -1; /* in case we skip frames */
ffmpegdec->context->opaque = ffmpegdec;
len = avcodec_decode_video (ffmpegdec->context,
ffmpegdec->picture, &have_data, data, size);
GST_DEBUG_OBJECT (ffmpegdec,
@ -742,8 +740,7 @@ gst_ffmpegdec_frame (GstFFMpegDec * ffmpegdec,
if (ffmpegdec->picture->pict_type == FF_I_TYPE) {
ffmpegdec->waiting_for_key = FALSE;
} else {
GST_WARNING_OBJECT (ffmpegdec,
"Dropping non-keyframe (seek/init)");
GST_WARNING_OBJECT (ffmpegdec, "Dropping non-keyframe (seek/init)");
have_data = 0;
break;
}
@ -755,10 +752,10 @@ gst_ffmpegdec_frame (GstFFMpegDec * ffmpegdec,
* and keep an internal counter based on FPS for the others. */
if (!(oclass->in_plugin->capabilities & CODEC_CAP_DELAY) ||
((ffmpegdec->picture->pict_type == FF_I_TYPE ||
!GST_CLOCK_TIME_IS_VALID (ffmpegdec->next_ts)) &&
GST_CLOCK_TIME_IS_VALID (*in_ts))) {
GST_DEBUG_OBJECT (ffmpegdec, "setting next_ts to %"GST_TIME_FORMAT,
GST_TIME_ARGS (*in_ts));
!GST_CLOCK_TIME_IS_VALID (ffmpegdec->next_ts)) &&
GST_CLOCK_TIME_IS_VALID (*in_ts))) {
GST_DEBUG_OBJECT (ffmpegdec, "setting next_ts to %" GST_TIME_FORMAT,
GST_TIME_ARGS (*in_ts));
ffmpegdec->next_ts = *in_ts;
*in_ts = GST_CLOCK_TIME_NONE;
}
@ -769,11 +766,12 @@ gst_ffmpegdec_frame (GstFFMpegDec * ffmpegdec,
ffmpegdec->synctime = GST_CLOCK_TIME_NONE;
} else {
GST_WARNING_OBJECT (ffmpegdec,
"Dropping frame for synctime %" GST_TIME_FORMAT ", expected(next_ts) %"
GST_TIME_FORMAT, GST_TIME_ARGS (ffmpegdec->synctime),
"Dropping frame for synctime %" GST_TIME_FORMAT
", expected(next_ts) %" GST_TIME_FORMAT,
GST_TIME_ARGS (ffmpegdec->synctime),
GST_TIME_ARGS (ffmpegdec->next_ts));
if (ffmpegdec->last_buffer)
gst_buffer_unref(ffmpegdec->last_buffer);
if (ffmpegdec->last_buffer)
gst_buffer_unref (ffmpegdec->last_buffer);
have_data = 0;
/* don´t break here! Timestamps are updated below */
}
@ -787,45 +785,49 @@ gst_ffmpegdec_frame (GstFFMpegDec * ffmpegdec,
* errors inside. This drives me crazy, so we let it allocate
* its own buffers and copy to our own buffer afterwards... */
if (ffmpegdec->picture->opaque != NULL) {
outbuf = (GstBuffer *) ffmpegdec->picture->opaque;
if (ffmpegdec->picture->opaque != NULL) {
outbuf = (GstBuffer *) ffmpegdec->picture->opaque;
if (outbuf == ffmpegdec->last_buffer)
ffmpegdec->last_buffer = NULL;
} else {
AVPicture pic;
gint fsize = gst_ffmpeg_avpicture_get_size (ffmpegdec->context->pix_fmt,
ffmpegdec->context->width, ffmpegdec->context->height);
} else {
AVPicture pic;
gint fsize =
gst_ffmpeg_avpicture_get_size (ffmpegdec->context->pix_fmt,
ffmpegdec->context->width, ffmpegdec->context->height);
if (!gst_ffmpegdec_negotiate (ffmpegdec))
return -1;
if ((*ret = gst_pad_alloc_buffer (ffmpegdec->srcpad, GST_BUFFER_OFFSET_NONE, fsize, GST_PAD_CAPS (ffmpegdec->srcpad), &outbuf)) != GST_FLOW_OK)
if (!gst_ffmpegdec_negotiate (ffmpegdec))
return -1;
/* original ffmpeg code does not handle odd sizes correctly.
* This patched up version does */
gst_ffmpeg_avpicture_fill (&pic, GST_BUFFER_DATA (outbuf),
ffmpegdec->context->pix_fmt,
ffmpegdec->context->width, ffmpegdec->context->height);
if ((*ret =
gst_pad_alloc_buffer (ffmpegdec->srcpad,
GST_BUFFER_OFFSET_NONE, fsize,
GST_PAD_CAPS (ffmpegdec->srcpad),
&outbuf)) != GST_FLOW_OK)
return -1;
/* the original convert function did not do the right thing, this
* is a patched up version that adjust widht/height so that the
* ffmpeg one works correctly. */
gst_ffmpeg_img_convert (&pic, ffmpegdec->context->pix_fmt,
(AVPicture *) ffmpegdec->picture,
ffmpegdec->context->pix_fmt,
ffmpegdec->context->width,
ffmpegdec->context->height);
}
ffmpegdec->waiting_for_key = FALSE;
/* original ffmpeg code does not handle odd sizes correctly.
* This patched up version does */
gst_ffmpeg_avpicture_fill (&pic, GST_BUFFER_DATA (outbuf),
ffmpegdec->context->pix_fmt,
ffmpegdec->context->width, ffmpegdec->context->height);
if (!ffmpegdec->picture->key_frame) {
GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_DELTA_UNIT);
}
/* the original convert function did not do the right thing, this
* is a patched up version that adjust widht/height so that the
* ffmpeg one works correctly. */
gst_ffmpeg_img_convert (&pic, ffmpegdec->context->pix_fmt,
(AVPicture *) ffmpegdec->picture,
ffmpegdec->context->pix_fmt,
ffmpegdec->context->width, ffmpegdec->context->height);
}
ffmpegdec->waiting_for_key = FALSE;
if (!ffmpegdec->picture->key_frame) {
GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_DELTA_UNIT);
}
/* If we have used the framerate from the demuxer then
* also use the demuxer's timestamp information (#317596) */
* also use the demuxer's timestamp information (#317596) */
if (ffmpegdec->format.video.fps != -1.0 && inbuf != NULL) {
gst_buffer_stamp (outbuf, inbuf);
} else {
@ -839,36 +841,37 @@ gst_ffmpegdec_frame (GstFFMpegDec * ffmpegdec,
/* Take repeat_pict into account */
GST_BUFFER_DURATION (outbuf) += GST_BUFFER_DURATION (outbuf)
* ffmpegdec->picture->repeat_pict / 2;
GST_DEBUG_OBJECT (ffmpegdec, "advancing next_ts by duration of %"GST_TIME_FORMAT,
GST_TIME_ARGS (GST_BUFFER_DURATION (outbuf)));
GST_DEBUG_OBJECT (ffmpegdec,
"advancing next_ts by duration of %" GST_TIME_FORMAT,
GST_TIME_ARGS (GST_BUFFER_DURATION (outbuf)));
ffmpegdec->next_ts += GST_BUFFER_DURATION (outbuf);
} else {
ffmpegdec->next_ts = GST_CLOCK_TIME_NONE;
}
}
} else if (ffmpegdec->picture->pict_type != -1 &&
oclass->in_plugin->capabilities & CODEC_CAP_DELAY) {
oclass->in_plugin->capabilities & CODEC_CAP_DELAY) {
/* update time for skip-frame */
if ((!have_data)
|| (ffmpegdec->picture->pict_type == FF_I_TYPE ||
!GST_CLOCK_TIME_IS_VALID (ffmpegdec->next_ts))
&& GST_CLOCK_TIME_IS_VALID (*in_ts)) {
GST_DEBUG_OBJECT (ffmpegdec, "setting next_ts to *in_ts");
if ((!have_data)
|| (ffmpegdec->picture->pict_type == FF_I_TYPE ||
!GST_CLOCK_TIME_IS_VALID (ffmpegdec->next_ts))
&& GST_CLOCK_TIME_IS_VALID (*in_ts)) {
GST_DEBUG_OBJECT (ffmpegdec, "setting next_ts to *in_ts");
ffmpegdec->next_ts = *in_ts;
*in_ts = GST_CLOCK_TIME_NONE;
*in_ts = GST_CLOCK_TIME_NONE;
}
if (ffmpegdec->context->time_base.num != 0 &&
ffmpegdec->context->time_base.den != 0) {
guint64 dur = GST_SECOND *
ffmpegdec->context->time_base.num /
ffmpegdec->context->time_base.den;
guint64 dur = GST_SECOND *
ffmpegdec->context->time_base.num /
ffmpegdec->context->time_base.den;
/* Take repeat_pict into account */
dur += dur * ffmpegdec->picture->repeat_pict / 2;
GST_DEBUG_OBJECT (ffmpegdec,
"Advancing next_ts by dur:%"GST_TIME_FORMAT,
GST_TIME_ARGS (dur));
GST_DEBUG_OBJECT (ffmpegdec,
"Advancing next_ts by dur:%" GST_TIME_FORMAT,
GST_TIME_ARGS (dur));
ffmpegdec->next_ts += dur;
} else {
ffmpegdec->next_ts = GST_CLOCK_TIME_NONE;
@ -889,10 +892,10 @@ gst_ffmpegdec_frame (GstFFMpegDec * ffmpegdec,
"Decode audio: len=%d, have_data=%d", len, have_data);
if (len >= 0 && have_data > 0) {
if (!gst_ffmpegdec_negotiate (ffmpegdec)) {
gst_buffer_unref (outbuf);
return -1;
}
if (!gst_ffmpegdec_negotiate (ffmpegdec)) {
gst_buffer_unref (outbuf);
return -1;
}
GST_BUFFER_SIZE (outbuf) = have_data;
if (GST_CLOCK_TIME_IS_VALID (*in_ts)) {
@ -916,7 +919,7 @@ gst_ffmpegdec_frame (GstFFMpegDec * ffmpegdec,
g_assert (0);
break;
}
if (len < 0 || have_data < 0) {
GST_ERROR_OBJECT (ffmpegdec,
"ffdec_%s: decoding error (len: %d, have_data: %d)",
@ -928,9 +931,9 @@ gst_ffmpegdec_frame (GstFFMpegDec * ffmpegdec,
return 0;
} else {
/* this is where I lost my last clue on ffmpeg... */
*got_data = 1; //(ffmpegdec->pctx || have_data) ? 1 : 0;
*got_data = 1; //(ffmpegdec->pctx || have_data) ? 1 : 0;
}
if (have_data) {
GST_DEBUG_OBJECT (ffmpegdec, "Decoded data, now pushing (%"
GST_TIME_FORMAT ")", GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (outbuf)));
@ -948,43 +951,65 @@ gst_ffmpegdec_sink_event (GstPad * pad, GstEvent * event)
GstFFMpegDec *ffmpegdec = (GstFFMpegDec *) GST_OBJECT_PARENT (pad);
GstFFMpegDecClass *oclass =
(GstFFMpegDecClass *) (G_OBJECT_GET_CLASS (ffmpegdec));
gboolean unlock = FALSE;
gboolean ret;
GST_DEBUG_OBJECT (ffmpegdec,
"Handling event of type %d", GST_EVENT_TYPE (event));
GST_DEBUG_OBJECT (ffmpegdec, "Handling %s event",
GST_EVENT_TYPE_NAME (event));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_EOS:
case GST_EVENT_EOS:{
GST_STREAM_LOCK (pad);
unlock = TRUE;
if (oclass->in_plugin->capabilities & CODEC_CAP_DELAY) {
gint have_data, len, try = 0;
do {
GstFlowReturn ret;
len = gst_ffmpegdec_frame (ffmpegdec, NULL, 0, &have_data,
&ffmpegdec->next_ts, NULL, &ret);
if (len < 0 || have_data == 0)
break;
} while (try++ < 10);
}
goto forward;
case GST_EVENT_FLUSH_STOP:
break;
}
case GST_EVENT_TAG:{
GST_STREAM_LOCK (pad);
unlock = TRUE;
break;
}
case GST_EVENT_FLUSH_STOP:{
GST_STREAM_LOCK (pad);
unlock = TRUE;
if (ffmpegdec->opened) {
avcodec_flush_buffers (ffmpegdec->context);
}
goto forward;
case GST_EVENT_NEWSEGMENT: {
break;
}
case GST_EVENT_NEWSEGMENT:{
gint64 base, start, end;
gdouble rate;
GstFormat fmt;
gst_event_parse_newsegment (event, NULL, &rate, &fmt, &start, &end, &base);
GST_STREAM_LOCK (pad);
unlock = TRUE;
gst_event_parse_newsegment (event, NULL, &rate, &fmt, &start, &end,
&base);
if (fmt == GST_FORMAT_TIME) {
ffmpegdec->next_ts = start;
GST_DEBUG_OBJECT (ffmpegdec, "Discont to time (next_ts) %" GST_TIME_FORMAT" -- %"GST_TIME_FORMAT,
GST_TIME_ARGS (start), GST_TIME_ARGS (end));
GST_DEBUG_OBJECT (ffmpegdec,
"Discont to time (next_ts) %" GST_TIME_FORMAT " -- %"
GST_TIME_FORMAT, GST_TIME_ARGS (start), GST_TIME_ARGS (end));
} else if (ffmpegdec->context->bit_rate && fmt == GST_FORMAT_BYTES) {
ffmpegdec->next_ts = start * GST_SECOND / ffmpegdec->context->bit_rate;
GST_DEBUG_OBJECT (ffmpegdec,
"Newsegment in bytes from byte %" G_GINT64_FORMAT
" (time %" GST_TIME_FORMAT ") to byte % "G_GINT64_FORMAT
" (time %" GST_TIME_FORMAT ") to byte % " G_GINT64_FORMAT
" (time %" GST_TIME_FORMAT ")",
start, GST_TIME_ARGS (ffmpegdec->next_ts),
end,
@ -1009,14 +1034,18 @@ gst_ffmpegdec_sink_event (GstPad * pad, GstEvent * event)
}
ffmpegdec->waiting_for_key = TRUE;
ffmpegdec->synctime = ffmpegdec->next_ts;
/* fall-through */
break;
}
default:
forward:
return gst_pad_event_default (ffmpegdec->sinkpad, event);
break;
}
return TRUE;
ret = gst_pad_event_default (ffmpegdec->sinkpad, event);
if (unlock)
GST_STREAM_UNLOCK (pad);
return ret;
}
static GstFlowReturn
@ -1032,16 +1061,17 @@ gst_ffmpegdec_chain (GstPad * pad, GstBuffer * inbuf)
if (!ffmpegdec->opened)
goto not_negotiated;
GST_DEBUG_OBJECT (ffmpegdec,
"Received new data of size %d, time %" GST_TIME_FORMAT " next_ts %"GST_TIME_FORMAT,
GST_BUFFER_SIZE (inbuf), GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (inbuf)),
GST_TIME_ARGS (ffmpegdec->next_ts));
"Received new data of size %d, time %" GST_TIME_FORMAT " next_ts %"
GST_TIME_FORMAT, GST_BUFFER_SIZE (inbuf),
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (inbuf)),
GST_TIME_ARGS (ffmpegdec->next_ts));
/* parse cache joining */
if (ffmpegdec->pcache) {
inbuf = gst_buffer_span (ffmpegdec->pcache, 0, inbuf,
GST_BUFFER_SIZE (ffmpegdec->pcache) + GST_BUFFER_SIZE (inbuf));
GST_BUFFER_SIZE (ffmpegdec->pcache) + GST_BUFFER_SIZE (inbuf));
ffmpegdec->pcache = NULL;
bdata = GST_BUFFER_DATA (inbuf);
bsize = GST_BUFFER_SIZE (inbuf);
@ -1068,12 +1098,11 @@ gst_ffmpegdec_chain (GstPad * pad, GstBuffer * inbuf)
ffpts = gst_ffmpeg_time_gst_to_ff (in_ts, ffmpegdec->context->time_base);
res = av_parser_parse (ffmpegdec->pctx, ffmpegdec->context,
&data, &size, bdata, bsize,
ffpts, ffpts);
&data, &size, bdata, bsize, ffpts, ffpts);
GST_DEBUG_OBJECT (ffmpegdec, "Parsed video frame, res=%d, size=%d",
res, size);
in_ts = gst_ffmpeg_time_ff_to_gst (ffmpegdec->pctx->pts,
ffmpegdec->context->time_base);
if (res == 0 || size == 0)
@ -1088,7 +1117,7 @@ gst_ffmpegdec_chain (GstPad * pad, GstBuffer * inbuf)
}
if ((len = gst_ffmpegdec_frame (ffmpegdec, data, size,
&have_data, &in_ts, inbuf, &ret)) < 0 || ret != GST_FLOW_OK)
&have_data, &in_ts, inbuf, &ret)) < 0 || ret != GST_FLOW_OK)
break;
if (!ffmpegdec->pctx) {
@ -1101,8 +1130,7 @@ gst_ffmpegdec_chain (GstPad * pad, GstBuffer * inbuf)
}
} while (bsize > 0);
if ((ffmpegdec->pctx || oclass->in_plugin->id == CODEC_ID_MP3) &&
bsize > 0) {
if ((ffmpegdec->pctx || oclass->in_plugin->id == CODEC_ID_MP3) && bsize > 0) {
GST_DEBUG_OBJECT (ffmpegdec, "Keeping %d bytes of data", bsize);
ffmpegdec->pcache = gst_buffer_create_sub (inbuf,
@ -1136,7 +1164,7 @@ gst_ffmpegdec_change_state (GstElement * element, GstStateChange transition)
case GST_STATE_CHANGE_PAUSED_TO_READY:
gst_ffmpegdec_close (ffmpegdec);
if (ffmpegdec->last_buffer != NULL) {
gst_buffer_unref (ffmpegdec->last_buffer);
gst_buffer_unref (ffmpegdec->last_buffer);
ffmpegdec->last_buffer = NULL;
}
break;
@ -1155,8 +1183,7 @@ gst_ffmpegdec_set_property (GObject * object,
switch (prop_id) {
case ARG_LOWRES:
ffmpegdec->lowres = ffmpegdec->context->lowres =
g_value_get_enum (value);
ffmpegdec->lowres = ffmpegdec->context->lowres = g_value_get_enum (value);
break;
case ARG_SKIPFRAME:
ffmpegdec->hurry_up = ffmpegdec->context->hurry_up =
@ -1228,8 +1255,7 @@ gst_ffmpegdec_register (GstPlugin * plugin)
/* name */
if (!gst_ffmpeg_get_codecid_longname (in_plugin->id)) {
g_warning ("Add decoder %s (%d) please",
in_plugin->name, in_plugin->id);
g_warning ("Add decoder %s (%d) please", in_plugin->name, in_plugin->id);
goto next;
}
@ -1241,8 +1267,10 @@ gst_ffmpegdec_register (GstPlugin * plugin)
srccaps = gst_ffmpeg_codectype_to_caps (in_plugin->type, NULL);
}
if (!sinkcaps || !srccaps) {
if (sinkcaps) gst_caps_unref (sinkcaps);
if (srccaps) gst_caps_unref (srccaps);
if (sinkcaps)
gst_caps_unref (sinkcaps);
if (srccaps)
gst_caps_unref (srccaps);
goto next;
}
@ -1280,7 +1308,7 @@ gst_ffmpegdec_register (GstPlugin * plugin)
break;
case CODEC_ID_WMV3:
case CODEC_ID_VC9:
/* what's that? */
/* what's that? */
case CODEC_ID_SP5X:
rank = GST_RANK_NONE;
break;