X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Fhashenc.c;h=a1e98eda894ee8dd85c9a01201d7ab790fe2432c;hb=bc70684e74a185d7b80c8b80bdedda659cb581b8;hp=a66db4ae715b4315745ff434daf5b6cafe0c5c7f;hpb=d6b62ce1aced9e2456582870382f384581cc7cbb;p=ffmpeg diff --git a/libavformat/hashenc.c b/libavformat/hashenc.c index a66db4ae715..a1e98eda894 100644 --- a/libavformat/hashenc.c +++ b/libavformat/hashenc.c @@ -29,80 +29,158 @@ struct HashContext { const AVClass *avclass; - struct AVHashContext *hash; + struct AVHashContext **hashes; char *hash_name; + int per_stream; int format_version; }; #define OFFSET(x) offsetof(struct HashContext, x) #define ENC AV_OPT_FLAG_ENCODING_PARAM -#if CONFIG_HASH_MUXER || CONFIG_FRAMEHASH_MUXER -static const AVOption hash_options[] = { - { "hash", "set hash to use", OFFSET(hash_name), AV_OPT_TYPE_STRING, {.str = "sha256"}, 0, 0, ENC }, - { "format_version", "file format version", OFFSET(format_version), AV_OPT_TYPE_INT, {.i64 = 2}, 1, 2, ENC }, +#define HASH_OPT(defaulttype) \ + { "hash", "set hash to use", OFFSET(hash_name), AV_OPT_TYPE_STRING, {.str = defaulttype}, 0, 0, ENC } +#define FORMAT_VERSION_OPT \ + { "format_version", "file format version", OFFSET(format_version), AV_OPT_TYPE_INT, {.i64 = 2}, 1, 2, ENC } + +#if CONFIG_HASH_MUXER || CONFIG_STREAMHASH_MUXER +static const AVOption hash_streamhash_options[] = { + HASH_OPT("sha256"), + { NULL }, +}; +#endif + +#if CONFIG_FRAMEHASH_MUXER +static const AVOption framehash_options[] = { + HASH_OPT("sha256"), + FORMAT_VERSION_OPT, { NULL }, }; #endif -#if CONFIG_MD5_MUXER || CONFIG_FRAMEMD5_MUXER +#if CONFIG_MD5_MUXER static const AVOption md5_options[] = { - { "hash", "set hash to use", OFFSET(hash_name), AV_OPT_TYPE_STRING, {.str = "md5"}, 0, 0, ENC }, - { "format_version", "file format version", OFFSET(format_version), AV_OPT_TYPE_INT, {.i64 = 2}, 1, 2, ENC }, + HASH_OPT("md5"), + { NULL }, +}; +#endif + +#if CONFIG_FRAMEMD5_MUXER +static const AVOption framemd5_options[] = { + HASH_OPT("md5"), + FORMAT_VERSION_OPT, { NULL }, }; #endif #if CONFIG_HASH_MUXER || CONFIG_MD5_MUXER -static int hash_write_header(struct AVFormatContext *s) +static int hash_init(struct AVFormatContext *s) { + int res; struct HashContext *c = s->priv_data; - int res = av_hash_alloc(&c->hash, c->hash_name); + c->per_stream = 0; + c->hashes = av_mallocz_array(1, sizeof(*c->hashes)); + if (!c->hashes) + return AVERROR(ENOMEM); + res = av_hash_alloc(&c->hashes[0], c->hash_name); if (res < 0) return res; - av_hash_init(c->hash); + av_hash_init(c->hashes[0]); + return 0; +} +#endif + +#if CONFIG_STREAMHASH_MUXER +static int streamhash_init(struct AVFormatContext *s) +{ + int res, i; + struct HashContext *c = s->priv_data; + c->per_stream = 1; + c->hashes = av_mallocz_array(s->nb_streams, sizeof(*c->hashes)); + if (!c->hashes) + return AVERROR(ENOMEM); + for (i = 0; i < s->nb_streams; i++) { + res = av_hash_alloc(&c->hashes[i], c->hash_name); + if (res < 0) { + return res; + } + av_hash_init(c->hashes[i]); + } return 0; } +#endif + +#if CONFIG_HASH_MUXER || CONFIG_MD5_MUXER || CONFIG_STREAMHASH_MUXER +static char get_media_type_char(enum AVMediaType type) +{ + switch (type) { + case AVMEDIA_TYPE_VIDEO: return 'v'; + case AVMEDIA_TYPE_AUDIO: return 'a'; + case AVMEDIA_TYPE_DATA: return 'd'; + case AVMEDIA_TYPE_SUBTITLE: return 's'; + case AVMEDIA_TYPE_ATTACHMENT: return 't'; + default: return '?'; + } +} static int hash_write_packet(struct AVFormatContext *s, AVPacket *pkt) { struct HashContext *c = s->priv_data; - av_hash_update(c->hash, pkt->data, pkt->size); + av_hash_update(c->hashes[c->per_stream ? pkt->stream_index : 0], pkt->data, pkt->size); return 0; } static int hash_write_trailer(struct AVFormatContext *s) { struct HashContext *c = s->priv_data; - char buf[AV_HASH_MAX_SIZE*2+128]; - snprintf(buf, sizeof(buf) - 200, "%s=", av_hash_get_name(c->hash)); - - av_hash_final_hex(c->hash, buf + strlen(buf), sizeof(buf) - strlen(buf)); - av_strlcatf(buf, sizeof(buf), "\n"); - avio_write(s->pb, buf, strlen(buf)); - avio_flush(s->pb); + int num_hashes = c->per_stream ? s->nb_streams : 1; + for (int i = 0; i < num_hashes; i++) { + char buf[AV_HASH_MAX_SIZE*2+128]; + if (c->per_stream) { + AVStream *st = s->streams[i]; + snprintf(buf, sizeof(buf) - 200, "%d,%c,%s=", i, get_media_type_char(st->codecpar->codec_type), + av_hash_get_name(c->hashes[i])); + } else { + snprintf(buf, sizeof(buf) - 200, "%s=", av_hash_get_name(c->hashes[i])); + } + av_hash_final_hex(c->hashes[i], buf + strlen(buf), sizeof(buf) - strlen(buf)); + av_strlcatf(buf, sizeof(buf), "\n"); + avio_write(s->pb, buf, strlen(buf)); + } - av_hash_freep(&c->hash); return 0; } #endif +static void hash_free(struct AVFormatContext *s) +{ + struct HashContext *c = s->priv_data; + if (c->hashes) { + int num_hashes = c->per_stream ? s->nb_streams : 1; + for (int i = 0; i < num_hashes; i++) { + av_hash_freep(&c->hashes[i]); + } + } + av_freep(&c->hashes); +} + #if CONFIG_HASH_MUXER static const AVClass hashenc_class = { - .class_name = "hash encoder class", + .class_name = "hash muxer", .item_name = av_default_item_name, - .option = hash_options, + .option = hash_streamhash_options, .version = LIBAVUTIL_VERSION_INT, }; -AVOutputFormat ff_hash_muxer = { +const AVOutputFormat ff_hash_muxer = { .name = "hash", .long_name = NULL_IF_CONFIG_SMALL("Hash testing"), .priv_data_size = sizeof(struct HashContext), .audio_codec = AV_CODEC_ID_PCM_S16LE, .video_codec = AV_CODEC_ID_RAWVIDEO, - .write_header = hash_write_header, + .init = hash_init, .write_packet = hash_write_packet, .write_trailer = hash_write_trailer, + .deinit = hash_free, .flags = AVFMT_VARIABLE_FPS | AVFMT_TS_NONSTRICT | AVFMT_TS_NEGATIVE, .priv_class = &hashenc_class, @@ -111,27 +189,52 @@ AVOutputFormat ff_hash_muxer = { #if CONFIG_MD5_MUXER static const AVClass md5enc_class = { - .class_name = "MD5 encoder class", + .class_name = "MD5 muxer", .item_name = av_default_item_name, .option = md5_options, .version = LIBAVUTIL_VERSION_INT, }; -AVOutputFormat ff_md5_muxer = { +const AVOutputFormat ff_md5_muxer = { .name = "md5", .long_name = NULL_IF_CONFIG_SMALL("MD5 testing"), .priv_data_size = sizeof(struct HashContext), .audio_codec = AV_CODEC_ID_PCM_S16LE, .video_codec = AV_CODEC_ID_RAWVIDEO, - .write_header = hash_write_header, + .init = hash_init, .write_packet = hash_write_packet, .write_trailer = hash_write_trailer, + .deinit = hash_free, .flags = AVFMT_VARIABLE_FPS | AVFMT_TS_NONSTRICT | AVFMT_TS_NEGATIVE, .priv_class = &md5enc_class, }; #endif +#if CONFIG_STREAMHASH_MUXER +static const AVClass streamhashenc_class = { + .class_name = "stream hash muxer", + .item_name = av_default_item_name, + .option = hash_streamhash_options, + .version = LIBAVUTIL_VERSION_INT, +}; + +const AVOutputFormat ff_streamhash_muxer = { + .name = "streamhash", + .long_name = NULL_IF_CONFIG_SMALL("Per-stream hash testing"), + .priv_data_size = sizeof(struct HashContext), + .audio_codec = AV_CODEC_ID_PCM_S16LE, + .video_codec = AV_CODEC_ID_RAWVIDEO, + .init = streamhash_init, + .write_packet = hash_write_packet, + .write_trailer = hash_write_trailer, + .deinit = hash_free, + .flags = AVFMT_VARIABLE_FPS | AVFMT_TS_NONSTRICT | + AVFMT_TS_NEGATIVE, + .priv_class = &streamhashenc_class, +}; +#endif + #if CONFIG_FRAMEHASH_MUXER || CONFIG_FRAMEMD5_MUXER static void framehash_print_extradata(struct AVFormatContext *s) { @@ -145,24 +248,35 @@ static void framehash_print_extradata(struct AVFormatContext *s) char buf[AV_HASH_MAX_SIZE*2+1]; avio_printf(s->pb, "#extradata %d, %31d, ", i, par->extradata_size); - av_hash_init(c->hash); - av_hash_update(c->hash, par->extradata, par->extradata_size); - av_hash_final_hex(c->hash, buf, sizeof(buf)); + av_hash_init(c->hashes[0]); + av_hash_update(c->hashes[0], par->extradata, par->extradata_size); + av_hash_final_hex(c->hashes[0], buf, sizeof(buf)); avio_write(s->pb, buf, strlen(buf)); avio_printf(s->pb, "\n"); } } } -static int framehash_write_header(struct AVFormatContext *s) +static int framehash_init(struct AVFormatContext *s) { + int res; struct HashContext *c = s->priv_data; - int res = av_hash_alloc(&c->hash, c->hash_name); + c->per_stream = 0; + c->hashes = av_mallocz_array(1, sizeof(*c->hashes)); + if (!c->hashes) + return AVERROR(ENOMEM); + res = av_hash_alloc(&c->hashes[0], c->hash_name); if (res < 0) return res; + return 0; +} + +static int framehash_write_header(struct AVFormatContext *s) +{ + struct HashContext *c = s->priv_data; avio_printf(s->pb, "#format: frame checksums\n"); avio_printf(s->pb, "#version: %d\n", c->format_version); - avio_printf(s->pb, "#hash: %s\n", av_hash_get_name(c->hash)); + avio_printf(s->pb, "#hash: %s\n", av_hash_get_name(c->hashes[0])); framehash_print_extradata(s); ff_framehash_write_header(s); avio_printf(s->pb, "#stream#, dts, pts, duration, size, hash\n"); @@ -174,64 +288,58 @@ static int framehash_write_packet(struct AVFormatContext *s, AVPacket *pkt) struct HashContext *c = s->priv_data; char buf[AV_HASH_MAX_SIZE*2+128]; int len; - av_hash_init(c->hash); - av_hash_update(c->hash, pkt->data, pkt->size); + av_hash_init(c->hashes[0]); + av_hash_update(c->hashes[0], pkt->data, pkt->size); snprintf(buf, sizeof(buf) - (AV_HASH_MAX_SIZE * 2 + 1), "%d, %10"PRId64", %10"PRId64", %8"PRId64", %8d, ", pkt->stream_index, pkt->dts, pkt->pts, pkt->duration, pkt->size); len = strlen(buf); - av_hash_final_hex(c->hash, buf + len, sizeof(buf) - len); + av_hash_final_hex(c->hashes[0], buf + len, sizeof(buf) - len); avio_write(s->pb, buf, strlen(buf)); if (c->format_version > 1 && pkt->side_data_elems) { - int i, j; + int i; avio_printf(s->pb, ", S=%d", pkt->side_data_elems); for (i = 0; i < pkt->side_data_elems; i++) { - av_hash_init(c->hash); + av_hash_init(c->hashes[0]); if (HAVE_BIGENDIAN && pkt->side_data[i].type == AV_PKT_DATA_PALETTE) { - for (j = 0; j < pkt->side_data[i].size; j += sizeof(uint32_t)) { + for (size_t j = 0; j < pkt->side_data[i].size; j += sizeof(uint32_t)) { uint32_t data = AV_RL32(pkt->side_data[i].data + j); - av_hash_update(c->hash, (uint8_t *)&data, sizeof(uint32_t)); + av_hash_update(c->hashes[0], (uint8_t *)&data, sizeof(uint32_t)); } } else - av_hash_update(c->hash, pkt->side_data[i].data, pkt->side_data[i].size); - snprintf(buf, sizeof(buf) - (AV_HASH_MAX_SIZE * 2 + 1), ", %8d, ", pkt->side_data[i].size); + av_hash_update(c->hashes[0], pkt->side_data[i].data, pkt->side_data[i].size); + snprintf(buf, sizeof(buf) - (AV_HASH_MAX_SIZE * 2 + 1), + ", %8"SIZE_SPECIFIER", ", pkt->side_data[i].size); len = strlen(buf); - av_hash_final_hex(c->hash, buf + len, sizeof(buf) - len); + av_hash_final_hex(c->hashes[0], buf + len, sizeof(buf) - len); avio_write(s->pb, buf, strlen(buf)); } } avio_printf(s->pb, "\n"); - avio_flush(s->pb); - return 0; -} - -static int framehash_write_trailer(struct AVFormatContext *s) -{ - struct HashContext *c = s->priv_data; - av_hash_freep(&c->hash); return 0; } #endif #if CONFIG_FRAMEHASH_MUXER static const AVClass framehash_class = { - .class_name = "frame hash encoder class", + .class_name = "frame hash muxer", .item_name = av_default_item_name, - .option = hash_options, + .option = framehash_options, .version = LIBAVUTIL_VERSION_INT, }; -AVOutputFormat ff_framehash_muxer = { +const AVOutputFormat ff_framehash_muxer = { .name = "framehash", .long_name = NULL_IF_CONFIG_SMALL("Per-frame hash testing"), .priv_data_size = sizeof(struct HashContext), .audio_codec = AV_CODEC_ID_PCM_S16LE, .video_codec = AV_CODEC_ID_RAWVIDEO, + .init = framehash_init, .write_header = framehash_write_header, .write_packet = framehash_write_packet, - .write_trailer = framehash_write_trailer, + .deinit = hash_free, .flags = AVFMT_VARIABLE_FPS | AVFMT_TS_NONSTRICT | AVFMT_TS_NEGATIVE, .priv_class = &framehash_class, @@ -240,21 +348,22 @@ AVOutputFormat ff_framehash_muxer = { #if CONFIG_FRAMEMD5_MUXER static const AVClass framemd5_class = { - .class_name = "frame hash encoder class", + .class_name = "frame MD5 muxer", .item_name = av_default_item_name, - .option = md5_options, + .option = framemd5_options, .version = LIBAVUTIL_VERSION_INT, }; -AVOutputFormat ff_framemd5_muxer = { +const AVOutputFormat ff_framemd5_muxer = { .name = "framemd5", .long_name = NULL_IF_CONFIG_SMALL("Per-frame MD5 testing"), .priv_data_size = sizeof(struct HashContext), .audio_codec = AV_CODEC_ID_PCM_S16LE, .video_codec = AV_CODEC_ID_RAWVIDEO, + .init = framehash_init, .write_header = framehash_write_header, .write_packet = framehash_write_packet, - .write_trailer = framehash_write_trailer, + .deinit = hash_free, .flags = AVFMT_VARIABLE_FPS | AVFMT_TS_NONSTRICT | AVFMT_TS_NEGATIVE, .priv_class = &framemd5_class,