FAIL("no decodable DTS frames");break;caseAVMEDIA_TYPE_VIDEO:if(!avctx->width) FAIL("unspecified size");if(st->info->found_decoder >=0&& avctx->pix_fmt ==AV_PIX_FMT_NONE) FAIL("unspecified pixel format");break;caseAVMEDIA_TYPE_DATA:return1;caseAVMEDIA_TYPE_UNKNOWN: FAIL("unspecifi...
FAIL("no decodable DTS frames");break;caseAVMEDIA_TYPE_VIDEO:if(!avctx->width) FAIL("unspecified size");if(st->info->found_decoder >=0&& avctx->pix_fmt ==AV_PIX_FMT_NONE) FAIL("unspecified pixel format");break;caseAVMEDIA_TYPE_DATA:return1;caseAVMEDIA_TYPE_UNKNOWN: FAIL("unspecifi...
avctx->width) FAIL("unspecified size"); if (st->internal->info->found_decoder >= 0 && avctx->pix_fmt == AV_PIX_FMT_NONE) FAIL("unspecified pixel format"); if (st->codecpar->codec_id == AV_CODEC_ID_RV30 || st->codecpar->codec_id == AV_CODEC_ID_RV40) if (!st->...
if (avformat_open_input(&pFormatCtx, filepath, NULL, NULL) != 0){ printf("Couldn't open an input stream.\n"); return -1; } if (avformat_find_stream_info(pFormatCtx, NULL) < 0){ printf("Couldn't find stream information.\n"); return -1; } videoIndex = -1; for (int i =...
[FFMPEG]--:format: start_time: 0 duration: 7.234 (estimate from stream) bitrate=0 kb/s [FFMPEG]--:Could not find codec parameters for stream 0 (Video: h264 (avc1 / 0x31637661), none, 720x960, 8285 kb/s): unspecified pixel format ...
avctx->width) FAIL("unspecified size"); if (st->info->found_decoder >= 0 && avctx->pix_fmt == AV_PIX_FMT_NONE) FAIL("unspecified pixel format"); if (st->codecpar->codec_id == AV_CODEC_ID_RV30 || st->codecpar->codec_id == AV_CODEC_ID_RV40) if (!st->sample_aspect_...
* unspecified pixel formatConsider increasing the value for the 'analyzeduration' and 'probesize' options的错误 * av_read_frame()返回Invalid data found when processing input的错误 * 分析原因:在创建AVIOContext时没有指定seek函数 * 解决方案:因为创建AVIOContext时没有指定io_seek函数并正确实现io_read()...
1、如果没有指定io_seek函数,对于MP4文件来说,如果mdata在moov标签的后面,采用自定义的AVIOContext时候avformat_find_stream_info() 返回"Could not findcodec parameters for stream 0 ...:unspecified pixel formatConsider increasing the value for the 'analyzeduration' and 'probesize' options的错误av_read_fra...
AVCOL_RANGE_UNSPECIFIED = 0, AVCOL_RANGE_MPEG = 1, ///< the normal 219*2^(n-8) "MPEG" YUV ranges AVCOL_RANGE_JPEG = 2, ///< the normal 2^n-1 "JPEG" YUV ranges AVCOL_RANGE_NB, ///< Not part of ABI }; YUVJ420P的字面含义是“使用了JPEG颜色范围的YUV420P,像素使用表示颜...
AVCOL_RANGE_UNSPECIFIED = 0, AVCOL_RANGE_MPEG = 1, ///< the normal 219*2^(n-8) "MPEG" YUV ranges AVCOL_RANGE_JPEG = 2, ///< the normal 2^n-1 "JPEG" YUV ranges AVCOL_RANGE_NB, ///< Not part of ABI }; YUVJ420P的字面含义是“使用了JPEG颜色范围的YUV420P,像素使用表示颜...