1. ffmpeg
  2. Commit 2e6bd22bbf0981a58b1e8f0c20580f90c619f683
Browse code

rmdec: set bit rate for ra4

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Piotr Bandurski authored on 2012/12/22 22:41:12
Showing 1 changed files
libavformat/rmdec.c
History View file @ 2e6bd22
... ... 
@@ -148,6 +148,7 @@ static int rm_read_audio_stream_info(AVFormatContext *s, AVIOContext *pb,
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     } else {
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         int flavor, sub_packet_h, coded_framesize, sub_packet_size;
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         int codecdata_length;
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+        unsigned bytes_per_minute;
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         /* old version (4) */
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         avio_skip(pb, 2); /* unused */
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         avio_rb32(pb); /* .ra4 */
... ... 
@@ -157,7 +158,11 @@ static int rm_read_audio_stream_info(AVFormatContext *s, AVIOContext *pb,
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         flavor= avio_rb16(pb); /* add codec info / flavor */
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         ast->coded_framesize = coded_framesize = avio_rb32(pb); /* coded frame size */
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         avio_rb32(pb); /* ??? */
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-        avio_rb32(pb); /* ??? */
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+        bytes_per_minute = avio_rb32(pb);
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+        if (version == 4) {
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+            if (bytes_per_minute)
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+                st->codec->bit_rate = 8LL * bytes_per_minute / 60;
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+        }
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         avio_rb32(pb); /* ??? */
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         ast->sub_packet_h = sub_packet_h = avio_rb16(pb); /* 1 */
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         st->codec->block_align= avio_rb16(pb); /* frame size */