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ext: caps are now set via GstEvent and not setcaps

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This commit is contained in:
Edward Hervey 2011-06-08 18:04:07 +02:00
parent 97430ccbbc
commit 4a130c6a6c
3 changed files with 73 additions and 38 deletions
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79
ext/ffmpeg/gstffmpegdeinterlace.c
View file

@ -102,42 +102,61 @@ gst_ffmpegdeinterlace_class_init (GstFFMpegDeinterlaceClass * klass)
}
static gboolean
gst_ffmpegdeinterlace_sink_setcaps (GstPad * pad, GstCaps * caps)
gst_ffmpegdeinterlace_sink_event (GstPad * pad, GstEvent * event)
{
GstFFMpegDeinterlace *deinterlace =
GST_FFMPEGDEINTERLACE (gst_pad_get_parent (pad));
GstStructure *structure = gst_caps_get_structure (caps, 0);
AVCodecContext *ctx;
GstCaps *src_caps;
gboolean ret;
gboolean ret = FALSE;
if (!gst_structure_get_int (structure, "width", &deinterlace->width))
return FALSE;
if (!gst_structure_get_int (structure, "height", &deinterlace->height))
return FALSE;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_CAPS:
{
GstStructure *structure;
AVCodecContext *ctx;
GstCaps *caps, *src_caps;
ctx = avcodec_alloc_context ();
ctx->width = deinterlace->width;
ctx->height = deinterlace->height;
ctx->pix_fmt = PIX_FMT_NB;
gst_ffmpeg_caps_with_codectype (AVMEDIA_TYPE_VIDEO, caps, ctx);
if (ctx->pix_fmt == PIX_FMT_NB) {
av_free (ctx);
return FALSE;
gst_event_parse_caps (event, &caps);
structure = gst_caps_get_structure (caps, 0);
if (!gst_structure_get_int (structure, "width", &deinterlace->width) ||
!gst_structure_get_int (structure, "height", &deinterlace->height)) {
goto done;
}
ctx = avcodec_alloc_context ();
ctx->width = deinterlace->width;
ctx->height = deinterlace->height;
ctx->pix_fmt = PIX_FMT_NB;
gst_ffmpeg_caps_with_codectype (AVMEDIA_TYPE_VIDEO, caps, ctx);
if (ctx->pix_fmt == PIX_FMT_NB) {
av_free (ctx);
goto done;
}
deinterlace->pixfmt = ctx->pix_fmt;
av_free (ctx);
deinterlace->to_size =
avpicture_get_size (deinterlace->pixfmt, deinterlace->width,
deinterlace->height);
src_caps = gst_caps_copy (caps);
gst_event_unref (event);
gst_caps_set_simple (src_caps, "interlaced", G_TYPE_BOOLEAN, FALSE, NULL);
event = gst_event_new_caps (src_caps);
gst_caps_unref (src_caps);
}
break;
default:
break;
}
deinterlace->pixfmt = ctx->pix_fmt;
ret = gst_pad_push_event (deinterlace->srcpad, event);
av_free (ctx);
deinterlace->to_size =
avpicture_get_size (deinterlace->pixfmt, deinterlace->width,
deinterlace->height);
src_caps = gst_caps_copy (caps);
gst_caps_set_simple (src_caps, "interlaced", G_TYPE_BOOLEAN, FALSE, NULL);
ret = gst_pad_set_caps (deinterlace->srcpad, src_caps);
gst_caps_unref (src_caps);
done:
gst_object_unref (deinterlace);
return ret;
}
@ -147,8 +166,8 @@ gst_ffmpegdeinterlace_init (GstFFMpegDeinterlace * deinterlace)
{
deinterlace->sinkpad =
gst_pad_new_from_static_template (&sink_factory, "sink");
gst_pad_set_setcaps_function (deinterlace->sinkpad,
gst_ffmpegdeinterlace_sink_setcaps);
gst_pad_set_event_function (deinterlace->sinkpad,
gst_ffmpegdeinterlace_sink_event);
gst_pad_set_chain_function (deinterlace->sinkpad,
gst_ffmpegdeinterlace_chain);
gst_element_add_pad (GST_ELEMENT (deinterlace), deinterlace->sinkpad);

23
ext/ffmpeg/gstffmpegenc.c
View file

@ -96,13 +96,14 @@ static void gst_ffmpegenc_base_init (GstFFMpegEncClass * klass);
static void gst_ffmpegenc_init (GstFFMpegEnc * ffmpegenc);
static void gst_ffmpegenc_finalize (GObject * object);
static gboolean gst_ffmpegenc_setcaps (GstPad * pad, GstCaps * caps);
static gboolean gst_ffmpegenc_setcaps (GstFFMpegEnc * ffmpegenc,
GstCaps * caps);
static GstCaps *gst_ffmpegenc_getcaps (GstPad * pad, GstCaps * filter);
static GstFlowReturn gst_ffmpegenc_chain_video (GstPad * pad,
GstBuffer * buffer);
static GstFlowReturn gst_ffmpegenc_chain_audio (GstPad * pad,
GstBuffer * buffer);
static gboolean gst_ffmpegenc_event_video (GstPad * pad, GstEvent * event);
static gboolean gst_ffmpegenc_event_sink (GstPad * pad, GstEvent * event);
static gboolean gst_ffmpegenc_event_src (GstPad * pad, GstEvent * event);
static void gst_ffmpegenc_set_property (GObject * object,
@ -242,7 +243,6 @@ gst_ffmpegenc_init (GstFFMpegEnc * ffmpegenc)
/* setup pads */
ffmpegenc->sinkpad = gst_pad_new_from_template (oclass->sinktempl, "sink");
gst_pad_set_setcaps_function (ffmpegenc->sinkpad, gst_ffmpegenc_setcaps);
gst_pad_set_getcaps_function (ffmpegenc->sinkpad, gst_ffmpegenc_getcaps);
ffmpegenc->srcpad = gst_pad_new_from_template (oclass->srctempl, "src");
gst_pad_use_fixed_caps (ffmpegenc->srcpad);
@ -255,10 +255,11 @@ gst_ffmpegenc_init (GstFFMpegEnc * ffmpegenc)
ffmpegenc->file = NULL;
ffmpegenc->delay = g_queue_new ();
gst_pad_set_event_function (ffmpegenc->sinkpad, gst_ffmpegenc_event_sink);
if (oclass->in_plugin->type == AVMEDIA_TYPE_VIDEO) {
gst_pad_set_chain_function (ffmpegenc->sinkpad, gst_ffmpegenc_chain_video);
/* so we know when to flush the buffers on EOS */
gst_pad_set_event_function (ffmpegenc->sinkpad, gst_ffmpegenc_event_video);
gst_pad_set_event_function (ffmpegenc->srcpad, gst_ffmpegenc_event_src);
ffmpegenc->bitrate = DEFAULT_VIDEO_BITRATE;
@ -512,13 +513,12 @@ gst_ffmpegenc_getcaps (GstPad * pad, GstCaps * filter)
}
static gboolean
gst_ffmpegenc_setcaps (GstPad * pad, GstCaps * caps)
gst_ffmpegenc_setcaps (GstFFMpegEnc * ffmpegenc, GstCaps * caps)
{
GstCaps *other_caps;
GstCaps *allowed_caps;
GstCaps *icaps;
enum PixelFormat pix_fmt;
GstFFMpegEnc *ffmpegenc = (GstFFMpegEnc *) GST_PAD_PARENT (pad);
GstFFMpegEncClass *oclass =
(GstFFMpegEncClass *) G_OBJECT_GET_CLASS (ffmpegenc);
@ -1122,7 +1122,7 @@ flush:
}
static gboolean
gst_ffmpegenc_event_video (GstPad * pad, GstEvent * event)
gst_ffmpegenc_event_sink (GstPad * pad, GstEvent * event)
{
GstFFMpegEnc *ffmpegenc = (GstFFMpegEnc *) (GST_PAD_PARENT (pad));
@ -1141,6 +1141,15 @@ gst_ffmpegenc_event_video (GstPad * pad, GstEvent * event)
}
break;
}
case GST_EVENT_CAPS:{
GstCaps *caps;
gst_event_parse_caps (event, &caps);
if (!gst_ffmpegenc_setcaps (ffmpegenc, caps)) {
gst_event_unref (event);
return FALSE;
}
break;
}
default:
break;
}

9
ext/ffmpeg/gstffmpegmux.c
View file

@ -446,7 +446,6 @@ gst_ffmpegmux_request_new_pad (GstElement * element,
gst_pad_set_event_function (pad,
GST_DEBUG_FUNCPTR (gst_ffmpegmux_sink_event));
gst_pad_set_setcaps_function (pad, GST_DEBUG_FUNCPTR (gst_ffmpegmux_setcaps));
gst_element_add_pad (element, pad);
/* AVStream needs to be created */
@ -525,6 +524,13 @@ gst_ffmpegmux_sink_event (GstPad * pad, GstEvent * event)
gst_tag_setter_merge_tags (setter, taglist, mode);
break;
}
case GST_EVENT_CAPS:{
GstCaps *caps;
gst_event_parse_caps (event, &caps);
if (!(res = gst_ffmpegmux_setcaps (pad, caps)))
goto beach;
break;
}
default:
break;
}
@ -532,6 +538,7 @@ gst_ffmpegmux_sink_event (GstPad * pad, GstEvent * event)
/* chaining up to collectpads default event function */
res = ffmpegmux->event_function (pad, event);
beach:
gst_object_unref (ffmpegmux);
return res;
}