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h264parse: Add stream-format to caps

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Adds the new stream-format field to h264parse caps

Fixes #606662
This commit is contained in:
Thiago Santos 2010-01-13 09:42:12 -03:00
parent e15d4c44aa
commit eba1357244
1 changed files with 57 additions and 0 deletions
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57
gst/h264parse/gsth264parse.c
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@ -1164,6 +1164,18 @@ gst_h264_parse_make_codec_data (GstH264Parse * h264parse)
return buf;
}
static guint
gst_h264_parse_parse_stream_format (GstH264Parse * h264parse,
const gchar * stream_format)
{
if (strcmp (stream_format, "avc-sample") == 0) {
return GST_H264_PARSE_FORMAT_SAMPLE;
} else if (strcmp (stream_format, "byte-stream") == 0) {
return GST_H264_PARSE_FORMAT_BYTE;
}
return GST_H264_PARSE_FORMAT_INPUT; /* this means we don't know */
}
static gboolean
gst_h264_parse_update_src_caps (GstH264Parse * h264parse, GstCaps * caps)
{
@ -1171,6 +1183,7 @@ gst_h264_parse_update_src_caps (GstH264Parse * h264parse, GstCaps * caps)
GstCaps *src_caps = NULL;
GstStructure *structure;
gboolean modified = FALSE;
const gchar *stream_format;
/* current PPS dictates which SPS to use */
if (h264parse->pps && h264parse->pps->sps_id < MAX_SPS_COUNT) {
@ -1227,6 +1240,50 @@ gst_h264_parse_update_src_caps (GstH264Parse * h264parse, GstCaps * caps)
}
structure = gst_caps_get_structure (src_caps, 0);
/* we replace the stream-format on caps if needed */
stream_format = gst_structure_get_string (structure, "stream-format");
if (stream_format) {
guint input_format;
guint output_format;
input_format = gst_h264_parse_parse_stream_format (h264parse,
stream_format);
output_format = h264parse->format;
if (output_format == GST_H264_PARSE_FORMAT_INPUT) {
if (h264parse->packetized) {
output_format = GST_H264_PARSE_FORMAT_SAMPLE;
} else {
output_format = GST_H264_PARSE_FORMAT_BYTE;
}
}
if (input_format != output_format) {
/* we need to replace it */
stream_format = NULL;
}
}
/* we need to add a new stream-format */
if (stream_format == NULL) {
gst_structure_remove_field (structure, "stream-format");
if (h264parse->format == GST_H264_PARSE_FORMAT_SAMPLE) {
stream_format = "avc-sample";
} else if (h264parse->format == GST_H264_PARSE_FORMAT_BYTE) {
stream_format = "byte-stream";
} else {
if (h264parse->packetized) {
stream_format = "avc-sample";
} else {
stream_format = "byte-stream";
}
}
gst_structure_set (structure, "stream-format", G_TYPE_STRING, stream_format,
NULL);
modified = TRUE;
}
/* transforming to non-bytestream needs to make codec-data */
if (h264parse->format == GST_H264_PARSE_FORMAT_SAMPLE) {
GstBuffer *buf;