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videodecoder: always send the new buffer to parse functions

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When we get a new buffer, always call the parse function, even if it is a 0
sized buffer. For theora we need to also decode 0 sized buffers.
Ideally we would like to make theoradec be packetized but that fails currently
because of oggdemux and because of the assumptions that the base class makes.
This commit is contained in:
Wim Taymans 2013-03-31 18:29:07 +02:00
parent f15bc6835b
commit c3651a7905
1 changed files with 8 additions and 5 deletions
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13
gst-libs/gst/video/gstvideodecoder.c
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@ -454,7 +454,7 @@ static gboolean gst_video_decoder_propose_allocation_default (GstVideoDecoder *
decoder, GstQuery * query);
static gboolean gst_video_decoder_negotiate_default (GstVideoDecoder * decoder);
static GstFlowReturn gst_video_decoder_parse_available (GstVideoDecoder * dec,
gboolean at_eos);
gboolean at_eos, gboolean new_buffer);
/* we can't use G_DEFINE_ABSTRACT_TYPE because we need the klass in the _init
* method to get to the padtemplates */
@ -901,7 +901,8 @@ gst_video_decoder_push_event (GstVideoDecoder * decoder, GstEvent * event)
}
static GstFlowReturn
gst_video_decoder_parse_available (GstVideoDecoder * dec, gboolean at_eos)
gst_video_decoder_parse_available (GstVideoDecoder * dec, gboolean at_eos,
gboolean new_buffer)
{
GstVideoDecoderClass *decoder_class = GST_VIDEO_DECODER_GET_CLASS (dec);
GstVideoDecoderPrivate *priv = dec->priv;
@ -911,7 +912,9 @@ gst_video_decoder_parse_available (GstVideoDecoder * dec, gboolean at_eos)
available = gst_adapter_available (priv->input_adapter);
start_size = 0;
while (ret == GST_FLOW_OK && available && start_size != available) {
while (ret == GST_FLOW_OK && ((available && start_size != available)
|| new_buffer)) {
new_buffer = FALSE;
/* current frame may have been parsed and handled,
* so we need to set up a new one when asking subclass to parse */
if (priv->current_frame == NULL)
@ -939,7 +942,7 @@ gst_video_decoder_drain_out (GstVideoDecoder * dec, gboolean at_eos)
/* Forward mode, if unpacketized, give the child class
* a final chance to flush out packets */
if (!priv->packetized) {
ret = gst_video_decoder_parse_available (dec, TRUE);
ret = gst_video_decoder_parse_available (dec, TRUE, FALSE);
}
} else {
/* Reverse playback mode */
@ -1737,7 +1740,7 @@ gst_video_decoder_chain_forward (GstVideoDecoder * decoder,
} else {
gst_adapter_push (priv->input_adapter, buf);
ret = gst_video_decoder_parse_available (decoder, at_eos);
ret = gst_video_decoder_parse_available (decoder, at_eos, TRUE);
}
if (ret == GST_VIDEO_DECODER_FLOW_NEED_DATA)