diff options
Diffstat (limited to 'libavformat/framecrcenc.c')
| -rw-r--r-- | libavformat/framecrcenc.c | 53 |
1 files changed, 46 insertions, 7 deletions
diff --git a/libavformat/framecrcenc.c b/libavformat/framecrcenc.c index 4d5483a..805b542 100644 --- a/libavformat/framecrcenc.c +++ b/libavformat/framecrcenc.c @@ -2,36 +2,76 @@ * frame CRC encoder (for codec/format testing) * Copyright (c) 2002 Fabrice Bellard * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * - * Libav is distributed in the hope that it will be useful, + * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include <inttypes.h> #include "libavutil/adler32.h" +#include "libavutil/avstring.h" #include "avformat.h" #include "internal.h" +static int framecrc_write_header(struct AVFormatContext *s) +{ + int i; + for (i = 0; i < s->nb_streams; i++) { + AVStream *st = s->streams[i]; + AVCodecContext *avctx = st->codec; + if (avctx->extradata) { + uint32_t crc = av_adler32_update(0, avctx->extradata, avctx->extradata_size); + avio_printf(s->pb, "#extradata %d: %8d, 0x%08"PRIx32"\n", + i, avctx->extradata_size, crc); + } + } + + return ff_framehash_write_header(s); +} + static int framecrc_write_packet(struct AVFormatContext *s, AVPacket *pkt) { uint32_t crc = av_adler32_update(0, pkt->data, pkt->size); char buf[256]; - snprintf(buf, sizeof(buf), "%d, %10"PRId64", %10"PRId64", %8d, %8d, 0x%08"PRIx32"\n", + snprintf(buf, sizeof(buf), "%d, %10"PRId64", %10"PRId64", %8d, %8d, 0x%08"PRIx32, pkt->stream_index, pkt->dts, pkt->pts, pkt->duration, pkt->size, crc); + if (pkt->flags != AV_PKT_FLAG_KEY) + av_strlcatf(buf, sizeof(buf), ", F=0x%0X", pkt->flags); + if (pkt->side_data_elems) { + int i, j; + av_strlcatf(buf, sizeof(buf), ", S=%d", pkt->side_data_elems); + + for (i=0; i<pkt->side_data_elems; i++) { + uint32_t side_data_crc = 0; + if (HAVE_BIGENDIAN && AV_PKT_DATA_PALETTE == pkt->side_data[i].type) { + for (j=0; j<pkt->side_data[i].size; j++) { + side_data_crc = av_adler32_update(side_data_crc, + pkt->side_data[i].data + (j^3), + 1); + } + } else { + side_data_crc = av_adler32_update(0, + pkt->side_data[i].data, + pkt->side_data[i].size); + } + av_strlcatf(buf, sizeof(buf), ", %8d, 0x%08x", pkt->side_data[i].size, side_data_crc); + } + } + av_strlcatf(buf, sizeof(buf), "\n"); avio_write(s->pb, buf, strlen(buf)); return 0; } @@ -39,10 +79,9 @@ static int framecrc_write_packet(struct AVFormatContext *s, AVPacket *pkt) AVOutputFormat ff_framecrc_muxer = { .name = "framecrc", .long_name = NULL_IF_CONFIG_SMALL("framecrc testing"), - .extensions = "", .audio_codec = AV_CODEC_ID_PCM_S16LE, .video_codec = AV_CODEC_ID_RAWVIDEO, - .write_header = ff_framehash_write_header, + .write_header = framecrc_write_header, .write_packet = framecrc_write_packet, .flags = AVFMT_VARIABLE_FPS | AVFMT_TS_NONSTRICT | AVFMT_TS_NEGATIVE, |
