mirror of https://git.ffmpeg.org/ffmpeg.git
Support IFF ANNO (annotation) chunk type
Originally committed as revision 21847 to svn://svn.ffmpeg.org/ffmpeg/trunk
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cbba8fec23
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899605f150
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@ -51,6 +51,7 @@
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#define ID_NAME MKTAG('N','A','M','E')
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#define ID_NAME MKTAG('N','A','M','E')
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#define ID_TEXT MKTAG('T','E','X','T')
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#define ID_TEXT MKTAG('T','E','X','T')
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#define ID_BODY MKTAG('B','O','D','Y')
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#define ID_BODY MKTAG('B','O','D','Y')
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#define ID_ANNO MKTAG('A','N','N','O')
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#define LEFT 2
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#define LEFT 2
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#define RIGHT 4
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#define RIGHT 4
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@ -99,6 +100,7 @@ static int iff_read_header(AVFormatContext *s,
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uint32_t chunk_id, data_size;
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uint32_t chunk_id, data_size;
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int padding, done = 0;
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int padding, done = 0;
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int compression = -1;
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int compression = -1;
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char *buf;
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st = av_new_stream(s, 0);
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st = av_new_stream(s, 0);
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if (!st)
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if (!st)
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@ -156,6 +158,15 @@ static int iff_read_header(AVFormatContext *s,
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url_fskip(pb, 4); // source page width, height
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url_fskip(pb, 4); // source page width, height
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break;
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break;
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case ID_ANNO:
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buf = av_malloc(data_size + 1);
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if (!buf)
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break;
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get_buffer(pb, buf, data_size);
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buf[data_size] = 0;
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av_metadata_set2(&s->metadata, "comment", buf, AV_METADATA_DONT_STRDUP_VAL);
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break;
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default:
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default:
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url_fseek(pb, data_size + padding, SEEK_CUR);
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url_fseek(pb, data_size + padding, SEEK_CUR);
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break;
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break;
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