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gst/matroska/matroska-mux.c: Fix muxing of Dirac streams if the input already has the format we need, i.e. is the out...

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Original commit message from CVS:
* gst/matroska/matroska-mux.c:
(gst_matroska_mux_handle_dirac_packet):
Fix muxing of Dirac streams if the input already has the format
we need, i.e. is the output of matroskademux.
This commit is contained in:
Sebastian Dröge 2008-11-11 12:18:23 +00:00
parent 15649903aa
commit 320e96a27c
2 changed files with 43 additions and 29 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2008-11-11 Sebastian Dröge <slomo@circular-chaos.org>
* gst/matroska/matroska-mux.c:
(gst_matroska_mux_handle_dirac_packet):
Fix muxing of Dirac streams if the input already has the format
we need, i.e. is the output of matroskademux.
2008-11-11 Stefan Kost <ensonic@users.sf.net>
* gst/avi/gstavimux.c:

65
gst/matroska/matroska-mux.c
View file

@ -2010,49 +2010,56 @@ gst_matroska_mux_handle_dirac_packet (GstMatroskaMux * mux,
GstMatroskaTrackVideoContext *ctx =
(GstMatroskaTrackVideoContext *) collect_pad->track;
const guint8 *data = GST_BUFFER_DATA (buf);
guint size = GST_BUFFER_SIZE (buf);
guint8 parse_code;
guint32 next_parse_offset;
GstBuffer *ret = NULL;
gboolean is_picture = FALSE;
if (GST_BUFFER_SIZE (buf) < 13) {
gst_buffer_unref (buf);
return ret;
}
if (GST_READ_UINT32_BE (data) != 0x42424344) {
gst_buffer_unref (buf);
return ret;
}
/* Check if this buffer contains a picture packet */
while (size >= 13) {
if (GST_READ_UINT32_BE (data) != 0x42424344) {
gst_buffer_unref (buf);
return ret;
}
parse_code = GST_READ_UINT8 (data + 4);
switch (parse_code) {
case 0x00:
parse_code = GST_READ_UINT8 (data + 4);
if (parse_code == 0x00) {
if (ctx->dirac_unit) {
gst_buffer_unref (ctx->dirac_unit);
}
ctx->dirac_unit = buf;
break;
case 0x10:
case 0x20:
case 0x30:
if (ctx->dirac_unit)
ctx->dirac_unit = gst_buffer_join (ctx->dirac_unit, buf);
else
ctx->dirac_unit = buf;
break;
default:
/* picture */
if (ctx->dirac_unit) {
ret = gst_buffer_join (ctx->dirac_unit, gst_buffer_ref (buf));
ctx->dirac_unit = NULL;
ret = gst_buffer_make_metadata_writable (ret);
gst_buffer_copy_metadata (ret, buf,
GST_BUFFER_COPY_FLAGS | GST_BUFFER_COPY_TIMESTAMPS |
GST_BUFFER_COPY_CAPS);
} else {
ret = buf;
}
} else if (parse_code & 0x08) {
is_picture = TRUE;
break;
}
next_parse_offset = GST_READ_UINT32_BE (data + 5);
data += next_parse_offset;
size -= next_parse_offset;
}
if (ctx->dirac_unit)
ctx->dirac_unit = gst_buffer_join (ctx->dirac_unit, gst_buffer_ref (buf));
else
ctx->dirac_unit = gst_buffer_ref (buf);
if (is_picture) {
ret = gst_buffer_make_metadata_writable (ctx->dirac_unit);
ctx->dirac_unit = NULL;
gst_buffer_copy_metadata (ret, buf,
GST_BUFFER_COPY_FLAGS | GST_BUFFER_COPY_TIMESTAMPS |
GST_BUFFER_COPY_CAPS);
gst_buffer_unref (buf);
} else {
gst_buffer_unref (buf);
ret = NULL;
}
return ret;