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[MOVED FROM BAD 26/57] gst/flv/gstflvdemux.c: Refactor _pull_range() logic with checks into a seperate function to make things a bit more re...

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Original commit message from CVS:
* gst/flv/gstflvdemux.c: (gst_flv_demux_pull_range),
(gst_flv_demux_pull_tag), (gst_flv_demux_pull_header):
Refactor _pull_range() logic with checks into a seperate function
to make things a bit more readable.
This commit is contained in:
Sebastian Dröge 2008-10-09 15:43:02 +00:00 committed by Sebastian Dröge
parent fe312ae650
commit 7f924cec59
1 changed files with 31 additions and 39 deletions
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70
gst/flv/gstflvdemux.c
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@ -301,6 +301,31 @@ beach:
return ret;
}
static GstFlowReturn
gst_flv_demux_pull_range (GstFLVDemux * demux, GstPad * pad, guint64 offset,
guint size, GstBuffer ** buffer)
{
GstFlowReturn ret;
ret = gst_pad_pull_range (pad, offset, size, buffer);
if (G_UNLIKELY (ret != GST_FLOW_OK)) {
GST_WARNING_OBJECT (demux, "failed when pulling %d bytes", size);
*buffer = NULL;
return ret;
}
if (G_UNLIKELY (*buffer && GST_BUFFER_SIZE (*buffer) != size)) {
GST_WARNING_OBJECT (demux, "partial pull got %d when expecting %d",
GST_BUFFER_SIZE (*buffer), size);
gst_buffer_unref (*buffer);
ret = GST_FLOW_UNEXPECTED;
*buffer = NULL;
return ret;
}
return ret;
}
static GstFlowReturn
gst_flv_demux_pull_tag (GstPad * pad, GstFLVDemux * demux)
{
@ -311,20 +336,9 @@ gst_flv_demux_pull_tag (GstPad * pad, GstFLVDemux * demux)
demux->cur_tag_offset = demux->offset;
/* Get the first 4 bytes to identify tag type and size */
ret = gst_pad_pull_range (pad, demux->offset, FLV_TAG_TYPE_SIZE, &buffer);
if (G_UNLIKELY (ret != GST_FLOW_OK)) {
GST_WARNING_OBJECT (demux, "failed when pulling %d bytes",
FLV_TAG_TYPE_SIZE);
if (G_UNLIKELY (gst_flv_demux_pull_range (demux, pad, demux->offset,
FLV_TAG_TYPE_SIZE, &buffer) != GST_FLOW_OK))
goto beach;
}
if (G_UNLIKELY (buffer && GST_BUFFER_SIZE (buffer) != FLV_TAG_TYPE_SIZE)) {
GST_WARNING_OBJECT (demux, "partial pull got %d when expecting %d",
GST_BUFFER_SIZE (buffer), FLV_TAG_TYPE_SIZE);
gst_buffer_unref (buffer);
ret = GST_FLOW_UNEXPECTED;
goto beach;
}
/* Identify tag type */
ret = gst_flv_parse_tag_type (demux, GST_BUFFER_DATA (buffer),
@ -336,21 +350,9 @@ gst_flv_demux_pull_tag (GstPad * pad, GstFLVDemux * demux)
demux->offset += FLV_TAG_TYPE_SIZE;
/* Pull the whole tag */
ret = gst_pad_pull_range (pad, demux->offset, demux->tag_size, &buffer);
if (G_UNLIKELY (ret != GST_FLOW_OK)) {
GST_WARNING_OBJECT (demux,
"failed when pulling %" G_GUINT64_FORMAT " bytes", demux->tag_size);
if (G_UNLIKELY (gst_flv_demux_pull_range (demux, pad, demux->offset,
demux->tag_size, &buffer) != GST_FLOW_OK))
goto beach;
}
if (G_UNLIKELY (buffer && GST_BUFFER_SIZE (buffer) != demux->tag_size)) {
GST_WARNING_OBJECT (demux,
"partial pull got %d when expecting %" G_GUINT64_FORMAT,
GST_BUFFER_SIZE (buffer), demux->tag_size);
gst_buffer_unref (buffer);
ret = GST_FLOW_UNEXPECTED;
goto beach;
}
switch (demux->state) {
case FLV_STATE_TAG_VIDEO:
@ -401,19 +403,9 @@ gst_flv_demux_pull_header (GstPad * pad, GstFLVDemux * demux)
GstFlowReturn ret = GST_FLOW_OK;
/* Get the first 9 bytes */
ret = gst_pad_pull_range (pad, demux->offset, FLV_HEADER_SIZE, &buffer);
if (G_UNLIKELY (ret != GST_FLOW_OK)) {
GST_WARNING_OBJECT (demux, "failed when pulling %d bytes", FLV_HEADER_SIZE);
if (G_UNLIKELY (gst_flv_demux_pull_range (demux, pad, demux->offset,
FLV_HEADER_SIZE, &buffer) != GST_FLOW_OK))
goto beach;
}
if (G_UNLIKELY (buffer && GST_BUFFER_SIZE (buffer) != FLV_HEADER_SIZE)) {
GST_WARNING_OBJECT (demux, "partial pull got %d when expecting %d",
GST_BUFFER_SIZE (buffer), FLV_HEADER_SIZE);
gst_buffer_unref (buffer);
ret = GST_FLOW_UNEXPECTED;
goto beach;
}
ret = gst_flv_parse_header (demux, GST_BUFFER_DATA (buffer),
GST_BUFFER_SIZE (buffer));