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Set fixed chunksize for ASF header in MMS streams, as per MSDN documentation.
This fixes playback of at least one MMST stream. Patch by Zhentan Feng <spyfeng gmail com>. Originally committed as revision 24793 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@ -68,7 +68,12 @@ int ff_mms_asf_header_parser(MMSContext *mms)
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p += sizeof(ff_asf_guid) + 14;
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p += sizeof(ff_asf_guid) + 14;
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while(end - p >= sizeof(ff_asf_guid) + 8) {
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while(end - p >= sizeof(ff_asf_guid) + 8) {
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uint64_t chunksize = AV_RL64(p + sizeof(ff_asf_guid));
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uint64_t chunksize;
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if (!memcmp(p, ff_asf_data_header, sizeof(ff_asf_guid))) {
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chunksize = 50; // see Reference [2] section 5.1
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} else {
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chunksize = AV_RL64(p + sizeof(ff_asf_guid));
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}
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if (!chunksize || chunksize > end - p) {
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if (!chunksize || chunksize > end - p) {
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av_log(NULL, AV_LOG_ERROR,
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av_log(NULL, AV_LOG_ERROR,
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"Corrupt stream (header chunksize %"PRId64" is invalid)\n",
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"Corrupt stream (header chunksize %"PRId64" is invalid)\n",
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