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@ -64,13 +64,9 @@ static int check(AVIOContext *pb, int64_t pos, uint32_t *header); |
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static int mp3_read_probe(AVProbeData *p) |
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{ |
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int max_frames, first_frames = 0; |
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int fsize, frames; |
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int fsize, frames, ret; |
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uint32_t header; |
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const uint8_t *buf, *buf0, *buf2, *end; |
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AVCodecContext *avctx = avcodec_alloc_context3(NULL); |
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if (!avctx) |
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return AVERROR(ENOMEM); |
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buf0 = p->buf; |
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end = p->buf + p->buf_size - sizeof(uint32_t); |
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@ -83,19 +79,18 @@ static int mp3_read_probe(AVProbeData *p) |
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for(; buf < end; buf= buf2+1) { |
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buf2 = buf; |
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for(frames = 0; buf2 < end; frames++) { |
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int dummy; |
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MPADecodeHeader h; |
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header = AV_RB32(buf2); |
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fsize = avpriv_mpa_decode_header(avctx, header, |
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&dummy, &dummy, &dummy, &dummy); |
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if(fsize < 0) |
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ret = avpriv_mpegaudio_decode_header(&h, header); |
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if (ret != 0) |
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break; |
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buf2 += fsize; |
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buf2 += h.frame_size; |
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} |
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max_frames = FFMAX(max_frames, frames); |
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if(buf == buf0) |
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first_frames= frames; |
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} |
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avcodec_free_context(&avctx); |
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// keep this in sync with ac3 probe, both need to avoid
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// issues with MPEG-files!
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if (first_frames>=7) return AVPROBE_SCORE_EXTENSION + 1; |
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