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@ -58,14 +58,16 @@ int ff_flac_decode_frame_header(AVCodecContext *avctx, GetBitContext *gb, |
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} else if (fi->ch_mode <= FLAC_CHMODE_MID_SIDE) { |
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fi->channels = 2; |
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} else { |
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av_log(avctx, AV_LOG_ERROR + log_level_offset, "invalid channel mode: %d\n", fi->ch_mode); |
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av_log(avctx, AV_LOG_ERROR + log_level_offset, |
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"invalid channel mode: %d\n", fi->ch_mode); |
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return -1; |
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} |
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/* bits per sample */ |
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bps_code = get_bits(gb, 3); |
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if (bps_code == 3 || bps_code == 7) { |
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av_log(avctx, AV_LOG_ERROR + log_level_offset, "invalid sample size code (%d)\n", |
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av_log(avctx, AV_LOG_ERROR + log_level_offset, |
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"invalid sample size code (%d)\n", |
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bps_code); |
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return -1; |
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} |
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@ -73,20 +75,23 @@ int ff_flac_decode_frame_header(AVCodecContext *avctx, GetBitContext *gb, |
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/* reserved bit */ |
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if (get_bits1(gb)) { |
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av_log(avctx, AV_LOG_ERROR + log_level_offset, "broken stream, invalid padding\n"); |
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av_log(avctx, AV_LOG_ERROR + log_level_offset, |
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"broken stream, invalid padding\n"); |
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return -1; |
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} |
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/* sample or frame count */ |
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fi->frame_or_sample_num = get_utf8(gb); |
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if (fi->frame_or_sample_num < 0) { |
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av_log(avctx, AV_LOG_ERROR + log_level_offset, "sample/frame number invalid; utf8 fscked\n"); |
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av_log(avctx, AV_LOG_ERROR + log_level_offset, |
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"sample/frame number invalid; utf8 fscked\n"); |
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return -1; |
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} |
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/* blocksize */ |
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if (bs_code == 0) { |
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av_log(avctx, AV_LOG_ERROR + log_level_offset, "reserved blocksize code: 0\n"); |
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av_log(avctx, AV_LOG_ERROR + log_level_offset, |
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"reserved blocksize code: 0\n"); |
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return -1; |
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} else if (bs_code == 6) { |
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fi->blocksize = get_bits(gb, 8) + 1; |
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@ -106,7 +111,8 @@ int ff_flac_decode_frame_header(AVCodecContext *avctx, GetBitContext *gb, |
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} else if (sr_code == 14) { |
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fi->samplerate = get_bits(gb, 16) * 10; |
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} else { |
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av_log(avctx, AV_LOG_ERROR + log_level_offset, "illegal sample rate code %d\n", |
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av_log(avctx, AV_LOG_ERROR + log_level_offset, |
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"illegal sample rate code %d\n", |
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sr_code); |
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return -1; |
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} |
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@ -115,7 +121,8 @@ int ff_flac_decode_frame_header(AVCodecContext *avctx, GetBitContext *gb, |
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skip_bits(gb, 8); |
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if (av_crc(av_crc_get_table(AV_CRC_8_ATM), 0, gb->buffer, |
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get_bits_count(gb)/8)) { |
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av_log(avctx, AV_LOG_ERROR + log_level_offset, "header crc mismatch\n"); |
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av_log(avctx, AV_LOG_ERROR + log_level_offset, |
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"header crc mismatch\n"); |
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return -1; |
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} |
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