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vc1parse: fix sequence-layer/frame-layer endianness

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Sequence-layer and frame-layer are serialized in little-endian byte
order except for STRUCT_C and framedata fields as described in SMPTE 421M Annex
L.

https://bugzilla.gnome.org/show_bug.cgi?id=736750
This commit is contained in:
Aurélien Zanelli 2014-09-16 15:59:58 +02:00 committed by Sebastian Dröge
parent 7fa9bbc3b0
commit d2847eaa09
1 changed files with 5 additions and 5 deletions
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10
gst/videoparsers/gstvc1parse.c
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@ -455,8 +455,8 @@ gst_vc1_parse_detect (GstBaseParse * parse, GstBuffer * buffer)
#endif #endif
while (size >= 40) { while (size >= 40) {
if (data[3] == 0xc5 && GST_READ_UINT32_BE (data + 4) == 0x00000004 && if (data[3] == 0xc5 && GST_READ_UINT32_LE (data + 4) == 0x00000004 &&
GST_READ_UINT32_BE (data + 20) == 0x0000000c) { GST_READ_UINT32_LE (data + 20) == 0x0000000c) {
guint32 startcode; guint32 startcode;
GST_DEBUG_OBJECT (vc1parse, "Found sequence layer"); GST_DEBUG_OBJECT (vc1parse, "Found sequence layer");
@ -981,8 +981,8 @@ gst_vc1_parse_handle_frame (GstBaseParse * parse, GstBaseParseFrame * frame,
VC1_STREAM_FORMAT_SEQUENCE_LAYER_RAW_FRAME VC1_STREAM_FORMAT_SEQUENCE_LAYER_RAW_FRAME
|| vc1parse->input_stream_format == || vc1parse->input_stream_format ==
VC1_STREAM_FORMAT_SEQUENCE_LAYER_FRAME_LAYER)) { VC1_STREAM_FORMAT_SEQUENCE_LAYER_FRAME_LAYER)) {
if (data[3] == 0xc5 && GST_READ_UINT32_BE (data + 4) == 0x00000004 if (data[3] == 0xc5 && GST_READ_UINT32_LE (data + 4) == 0x00000004
&& GST_READ_UINT32_BE (data + 20) == 0x0000000c) { && GST_READ_UINT32_LE (data + 20) == 0x0000000c) {
framesize = 36; framesize = 36;
} else { } else {
*skipsize = 1; *skipsize = 1;
@ -1050,7 +1050,7 @@ gst_vc1_parse_handle_frame (GstBaseParse * parse, GstBaseParseFrame * frame,
/* frame-layer or sequence-layer-frame-layer */ /* frame-layer or sequence-layer-frame-layer */
g_assert (size >= 8); g_assert (size >= 8);
/* Parse frame layer size */ /* Parse frame layer size */
framesize = GST_READ_UINT24_BE (data + 1) + 8; framesize = GST_READ_UINT24_LE (data + 1) + 8;
} }