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adaptivedemux: add a special return to signal subsegment boundary

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The subsegment boundary return tells the adaptivedemux that it can
try to switch to another representation as the stream is at a suitable
position for starting from another bitrate.
This commit is contained in:
Thiago Santos 2015-01-13 10:16:22 -03:00
parent 9b260d1ba5
commit 516f1ae0f4
2 changed files with 17 additions and 4 deletions
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17
gst-libs/gst/adaptivedemux/gstadaptivedemux.c
View file

@ -1211,6 +1211,7 @@ _src_chain (GstPad * pad, GstObject * parent, GstBuffer * buffer)
GstAdaptiveDemuxClass *klass = GST_ADAPTIVE_DEMUX_GET_CLASS (demux);
GstFlowReturn ret = GST_FLOW_OK;
gboolean discont = FALSE;
gboolean subsegment_end = FALSE;
if (stream->starting_fragment) {
stream->starting_fragment = FALSE;
@ -1235,10 +1236,15 @@ _src_chain (GstPad * pad, GstObject * parent, GstBuffer * buffer)
if (klass->chunk_received) {
ret = klass->chunk_received (demux, stream, &buffer);
if (ret != GST_FLOW_OK) {
if (buffer)
gst_buffer_unref (buffer);
gst_adaptive_demux_stream_fragment_download_finish (stream, ret, NULL);
return ret;
if (ret == (GstFlowReturn) GST_ADAPTIVE_DEMUX_FLOW_SUBSEGMENT_END) {
ret = GST_FLOW_OK;
subsegment_end = TRUE;
} else {
if (buffer)
gst_buffer_unref (buffer);
gst_adaptive_demux_stream_fragment_download_finish (stream, ret, NULL);
return ret;
}
}
}
@ -1321,6 +1327,9 @@ _src_chain (GstPad * pad, GstObject * parent, GstBuffer * buffer)
}
gst_adaptive_demux_stream_fragment_download_finish (stream, ret, NULL);
} else if (subsegment_end) {
/* tell upstream that we are done here */
ret = GST_FLOW_EOS;
}
return ret;

4
gst-libs/gst/adaptivedemux/gstadaptivedemux.h
View file

@ -77,6 +77,10 @@ G_BEGIN_DECLS
g_clear_error (&err); \
} G_STMT_END
enum _GstAdaptiveDemuxFlowReturn {
GST_ADAPTIVE_DEMUX_FLOW_SUBSEGMENT_END = GST_FLOW_CUSTOM_SUCCESS + 100
};
typedef struct _GstAdaptiveDemuxStreamFragment GstAdaptiveDemuxStreamFragment;
typedef struct _GstAdaptiveDemuxStream GstAdaptiveDemuxStream;
typedef struct _GstAdaptiveDemux GstAdaptiveDemux;