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h264parse: assume byte-stream if stream-format and codec_data are missing from input caps

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Alessandro Decina 2011-07-12 19:01:47 +02:00 committed by Alessandro Decina
parent 7bcc0c71b8
commit 5f6a805dfd
1 changed files with 12 additions and 0 deletions
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12
gst/videoparsers/gsth264parse.c
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@ -1017,12 +1017,24 @@ gst_h264_parse_set_caps (GstBaseParse * parse, GstCaps * caps)
} }
h264parse->codec_data = gst_buffer_ref (codec_data); h264parse->codec_data = gst_buffer_ref (codec_data);
/* if upstream sets codec_data without setting stream-format and alignment, we
* assume stream-format=avc,alignment=au */
if (format == GST_H264_PARSE_FORMAT_NONE) {
format = GST_H264_PARSE_FORMAT_AVC;
align = GST_H264_PARSE_ALIGN_AU;
}
} else { } else {
GST_DEBUG_OBJECT (h264parse, "have bytestream h264"); GST_DEBUG_OBJECT (h264parse, "have bytestream h264");
/* nothing to pre-process */ /* nothing to pre-process */
h264parse->packetized = FALSE; h264parse->packetized = FALSE;
/* we have 4 sync bytes */ /* we have 4 sync bytes */
h264parse->nal_length_size = 4; h264parse->nal_length_size = 4;
if (format == GST_H264_PARSE_FORMAT_NONE) {
format = GST_H264_PARSE_FORMAT_BYTE;
align = GST_H264_PARSE_ALIGN_AU;
}
} }
/* negotiate with downstream, sets ->format and ->align */ /* negotiate with downstream, sets ->format and ->align */