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jpegdec: Wait for segment event before checking it

Browse source 
The heuristic to choose between packetise or not was change to use the
segment format. The problem is that this change is reading the segment
during the caps event handling. The segment event will only be sent
after. That prevented the decoder to go in packetize mode, and avoid
useless parsing.

https://bugzilla.gnome.org/show_bug.cgi?id=736252
This commit is contained in:
Nicolas Dufresne 2016-06-06 17:00:22 -04:00
parent 462800e9c6
commit a6008fde65
1 changed files with 22 additions and 5 deletions
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27
ext/jpeg/gstjpegdec.c
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@ -104,6 +104,8 @@ static GstFlowReturn gst_jpeg_dec_handle_frame (GstVideoDecoder * bdec,
GstVideoCodecFrame * frame);
static gboolean gst_jpeg_dec_decide_allocation (GstVideoDecoder * bdec,
GstQuery * query);
static gboolean gst_jpeg_dec_sink_event (GstVideoDecoder * bdec,
GstEvent * event);
#define gst_jpeg_dec_parent_class parent_class
G_DEFINE_TYPE (GstJpegDec, gst_jpeg_dec, GST_TYPE_VIDEO_DECODER);
@ -175,6 +177,7 @@ gst_jpeg_dec_class_init (GstJpegDecClass * klass)
vdec_class->set_format = gst_jpeg_dec_set_format;
vdec_class->handle_frame = gst_jpeg_dec_handle_frame;
vdec_class->decide_allocation = gst_jpeg_dec_decide_allocation;
vdec_class->sink_event = gst_jpeg_dec_sink_event;
GST_DEBUG_CATEGORY_INIT (jpeg_dec_debug, "jpegdec", 0, "JPEG decoder");
GST_DEBUG_CATEGORY_GET (GST_CAT_PERFORMANCE, "GST_PERFORMANCE");
@ -592,11 +595,6 @@ gst_jpeg_dec_set_format (GstVideoDecoder * dec, GstVideoCodecState * state)
{
GstJpegDec *jpeg = GST_JPEG_DEC (dec);
if (dec->input_segment.format == GST_FORMAT_TIME)
gst_video_decoder_set_packetized (dec, TRUE);
else
gst_video_decoder_set_packetized (dec, FALSE);
if (jpeg->input_state)
gst_video_codec_state_unref (jpeg->input_state);
jpeg->input_state = gst_video_codec_state_ref (state);
@ -1280,6 +1278,25 @@ gst_jpeg_dec_decide_allocation (GstVideoDecoder * bdec, GstQuery * query)
return TRUE;
}
static gboolean
gst_jpeg_dec_sink_event (GstVideoDecoder * bdec, GstEvent * event)
{
const GstSegment *segment;
if (GST_EVENT_TYPE (event) != GST_EVENT_SEGMENT)
goto done;
gst_event_parse_segment (event, &segment);
if (segment->format == GST_FORMAT_TIME)
gst_video_decoder_set_packetized (bdec, TRUE);
else
gst_video_decoder_set_packetized (bdec, FALSE);
done:
return GST_VIDEO_DECODER_CLASS (parent_class)->sink_event (bdec, event);
}
static gboolean
gst_jpeg_dec_start (GstVideoDecoder * bdec)
{