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@ -1,5 +1,5 @@ |
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/*
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* RAW H.265 video demuxer |
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* RAW HEVC video demuxer |
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* Copyright (c) 2013 Dirk Farin <dirk.farin@gmail.com> |
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* |
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* This file is part of FFmpeg. |
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@ -22,39 +22,41 @@ |
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#include "avformat.h" |
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#include "rawdec.h" |
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#include "libavcodec/hevc.h" |
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static int hevc_probe(AVProbeData *p) |
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{ |
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uint32_t code= -1; |
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int vps=0, sps=0, pps=0, idr=0; |
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uint32_t code = -1; |
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int vps = 0, sps = 0, pps = 0, irap = 0; |
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int i; |
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for(i=0; i<p->buf_size-1; i++){ |
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code = (code<<8) + p->buf[i]; |
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for (i = 0; i < p->buf_size - 1; i++) { |
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code = (code << 8) + p->buf[i]; |
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if ((code & 0xffffff00) == 0x100) { |
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uint8_t nal2 = p->buf[i+1]; |
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int type = (code & 0x7E)>>1; |
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if (code & 0x81) // forbidden and reserved zero bits
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return 0; |
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if (nal2 & 0xf8) // reserved zero
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return 0; |
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switch (type) { |
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case 32: vps++; break; |
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case 33: sps++; break; |
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case 34: pps++; break; |
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case 19: |
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case 20: idr++; break; |
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} |
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uint8_t nal2 = p->buf[i + 1]; |
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int type = (code & 0x7E) >> 1; |
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if (code & 0x81) // forbidden and reserved zero bits
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return 0; |
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if (nal2 & 0xf8) // reserved zero
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return 0; |
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switch (type) { |
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case NAL_VPS: vps++; break; |
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case NAL_SPS: sps++; break; |
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case NAL_PPS: pps++; break; |
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case 19: |
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case 20: irap++; break; |
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} |
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} |
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} |
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// printf("vps=%d, sps=%d, pps=%d, idr=%d\n", vps, sps, pps, idr);
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// printf("vps=%d, sps=%d, pps=%d, irap=%d\n", vps, sps, pps, irap);
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if (vps && sps && pps && idr) |
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if (vps && sps && pps && irap) |
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return AVPROBE_SCORE_EXTENSION + 1; // 1 more than .mpg
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return 0; |
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} |
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FF_DEF_RAWVIDEO_DEMUXER(hevc , "raw HEVC video", hevc_probe, "h265,265,hevc", AV_CODEC_ID_HEVC) |
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FF_DEF_RAWVIDEO_DEMUXER(hevc, "raw HEVC video", hevc_probe, "hevc,h265,265", AV_CODEC_ID_HEVC) |
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