From 9c25bafacbe63a947edccd3126e36b149b053702 Mon Sep 17 00:00:00 2001 From: Aurelien Jacobs Date: Tue, 5 Aug 2008 00:40:55 +0000 Subject: [PATCH] matroskadec: move context settings to matroska_read_header() Originally committed as revision 14570 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavformat/matroskadec.c | 219 ++++++++++++++++++-------------------- 1 file changed, 106 insertions(+), 113 deletions(-) diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c index 32711f2765..bac7e6af0f 100644 --- a/libavformat/matroskadec.c +++ b/libavformat/matroskadec.c @@ -1156,13 +1156,6 @@ matroska_parse_info (MatroskaDemuxContext *matroska) { int res = ebml_parse(matroska, matroska_info, matroska, MATROSKA_ID_INFO, 0); - if (matroska->duration) - matroska->ctx->duration = matroska->duration * matroska->time_scale - * 1000 / AV_TIME_BASE; - if (matroska->title) - strncpy(matroska->ctx->title, matroska->title, - sizeof(matroska->ctx->title)-1); - return res; } @@ -1246,77 +1239,10 @@ matroska_decode_buffer(uint8_t** buf, int* buf_size, MatroskaTrack *track) static int matroska_parse_tracks (MatroskaDemuxContext *matroska) { - MatroskaTrack *tracks; int i, res; res = ebml_parse(matroska, matroska_tracks, matroska, MATROSKA_ID_TRACKS, 0); - tracks = matroska->tracks.elem; - for (i=0; itracks.nb_elem; i++) { - MatroskaTrack *track = &tracks[i]; - EbmlList *encodings_list = &tracks->encodings; - MatroskaTrackEncoding *encodings = encodings_list->elem; - - if (track->type != MATROSKA_TRACK_TYPE_VIDEO && - track->type != MATROSKA_TRACK_TYPE_AUDIO && - track->type != MATROSKA_TRACK_TYPE_SUBTITLE) { - av_log(matroska->ctx, AV_LOG_INFO, - "Unknown or unsupported track type %"PRIu64"\n", - track->type); - continue; - } - - if (track->type == MATROSKA_TRACK_TYPE_VIDEO) { - if (!track->default_duration) - track->default_duration = 1000000000/track->video.frame_rate; - if (!track->video.display_width) - track->video.display_width = track->video.pixel_width; - if (!track->video.display_height) - track->video.display_height = track->video.pixel_height; - } else if (track->type == MATROSKA_TRACK_TYPE_AUDIO) { - if (!track->audio.out_samplerate) - track->audio.out_samplerate = track->audio.samplerate; - } - if (encodings_list->nb_elem > 1) { - av_log(matroska->ctx, AV_LOG_ERROR, - "Multiple combined encodings no supported"); - } else if (encodings_list->nb_elem == 1) { - if (encodings[0].type || - (encodings[0].compression.algo != MATROSKA_TRACK_ENCODING_COMP_HEADERSTRIP && -#ifdef CONFIG_ZLIB - encodings[0].compression.algo != MATROSKA_TRACK_ENCODING_COMP_ZLIB && -#endif -#ifdef CONFIG_BZLIB - encodings[0].compression.algo != MATROSKA_TRACK_ENCODING_COMP_BZLIB && -#endif - encodings[0].compression.algo != MATROSKA_TRACK_ENCODING_COMP_LZO)) { - encodings[0].scope = 0; - av_log(matroska->ctx, AV_LOG_ERROR, - "Unsupported encoding type"); - } else if (track->codec_priv.size && encodings[0].scope&2) { - uint8_t *codec_priv = track->codec_priv.data; - int offset = matroska_decode_buffer(&track->codec_priv.data, - &track->codec_priv.size, - track); - if (offset < 0) { - track->codec_priv.data = NULL; - track->codec_priv.size = 0; - av_log(matroska->ctx, AV_LOG_ERROR, - "Failed to decode codec private data\n"); - } else if (offset > 0) { - track->codec_priv.data = av_malloc(track->codec_priv.size + offset); - memcpy(track->codec_priv.data, - encodings[0].compression.settings.data, offset); - memcpy(track->codec_priv.data+offset, codec_priv, - track->codec_priv.size); - track->codec_priv.size += offset; - } - if (codec_priv != track->codec_priv.data) - av_free(codec_priv); - } - } - } - return res; } @@ -1425,40 +1351,10 @@ static int matroska_parse_attachments(AVFormatContext *s) { MatroskaDemuxContext *matroska = s->priv_data; - EbmlList *attachements_list = &matroska->attachments; - MatroskaAttachement *attachements; int i, j, res; res = ebml_parse(matroska, matroska_attachments, matroska, MATROSKA_ID_ATTACHMENTS, 0); - attachements = attachements_list->elem; - for (j=0; jnb_elem; j++) { - if (!(attachements[j].filename && attachements[j].mime && - attachements[j].bin.data && attachements[j].bin.size > 0)) { - av_log(matroska->ctx, AV_LOG_ERROR, "incomplete attachment\n"); - } else { - AVStream *st = av_new_stream(s, matroska->num_streams++); - if (st == NULL) - break; - st->filename = av_strdup(attachements[j].filename); - st->codec->codec_id = CODEC_ID_NONE; - st->codec->codec_type = CODEC_TYPE_ATTACHMENT; - st->codec->extradata = av_malloc(attachements[j].bin.size); - if(st->codec->extradata == NULL) - break; - st->codec->extradata_size = attachements[j].bin.size; - memcpy(st->codec->extradata, attachements[j].bin.data, attachements[j].bin.size); - - for (i=0; ff_mkv_mime_tags[i].id != CODEC_ID_NONE; i++) { - if (!strncmp(ff_mkv_mime_tags[i].str, attachements[j].mime, - strlen(ff_mkv_mime_tags[i].str))) { - st->codec->codec_id = ff_mkv_mime_tags[i].id; - break; - } - } - } - } - return res; } @@ -1466,19 +1362,10 @@ static int matroska_parse_chapters(AVFormatContext *s) { MatroskaDemuxContext *matroska = s->priv_data; - EbmlList *chapters_list = &matroska->chapters; - MatroskaChapter *chapters; int i, res; res = ebml_parse(matroska, matroska_chapters, matroska, MATROSKA_ID_CHAPTERS, 0); - chapters = chapters_list->elem; - for (i=0; inb_elem; i++) - if (chapters[i].start != AV_NOPTS_VALUE && chapters[i].uid) - ff_new_chapter(s, chapters[i].uid, (AVRational){1, 1000000000}, - chapters[i].start, chapters[i].end, - chapters[i].title); - return res; } @@ -1512,6 +1399,10 @@ matroska_read_header (AVFormatContext *s, AVFormatParameters *ap) { MatroskaDemuxContext *matroska = s->priv_data; + EbmlList *attachements_list = &matroska->attachments; + MatroskaAttachement *attachements; + EbmlList *chapters_list = &matroska->chapters; + MatroskaChapter *chapters; MatroskaTrack *tracks; EbmlList *index_list; MatroskaIndex *index; @@ -1643,18 +1534,85 @@ matroska_read_header (AVFormatContext *s, if (ebml_peek_id(matroska, NULL) != MATROSKA_ID_CLUSTER) return -1; + if (matroska->duration) + matroska->ctx->duration = matroska->duration * matroska->time_scale + * 1000 / AV_TIME_BASE; + if (matroska->title) + strncpy(matroska->ctx->title, matroska->title, + sizeof(matroska->ctx->title)-1); + tracks = matroska->tracks.elem; for (i=0; i < matroska->tracks.nb_elem; i++) { MatroskaTrack *track = &tracks[i]; enum CodecID codec_id = CODEC_ID_NONE; + EbmlList *encodings_list = &tracks->encodings; + MatroskaTrackEncoding *encodings = encodings_list->elem; uint8_t *extradata = NULL; int extradata_size = 0; int extradata_offset = 0; /* Apply some sanity checks. */ + if (track->type != MATROSKA_TRACK_TYPE_VIDEO && + track->type != MATROSKA_TRACK_TYPE_AUDIO && + track->type != MATROSKA_TRACK_TYPE_SUBTITLE) { + av_log(matroska->ctx, AV_LOG_INFO, + "Unknown or unsupported track type %"PRIu64"\n", + track->type); + continue; + } if (track->codec_id == NULL) continue; + if (track->type == MATROSKA_TRACK_TYPE_VIDEO) { + if (!track->default_duration) + track->default_duration = 1000000000/track->video.frame_rate; + if (!track->video.display_width) + track->video.display_width = track->video.pixel_width; + if (!track->video.display_height) + track->video.display_height = track->video.pixel_height; + } else if (track->type == MATROSKA_TRACK_TYPE_AUDIO) { + if (!track->audio.out_samplerate) + track->audio.out_samplerate = track->audio.samplerate; + } + if (encodings_list->nb_elem > 1) { + av_log(matroska->ctx, AV_LOG_ERROR, + "Multiple combined encodings no supported"); + } else if (encodings_list->nb_elem == 1) { + if (encodings[0].type || + (encodings[0].compression.algo != MATROSKA_TRACK_ENCODING_COMP_HEADERSTRIP && +#ifdef CONFIG_ZLIB + encodings[0].compression.algo != MATROSKA_TRACK_ENCODING_COMP_ZLIB && +#endif +#ifdef CONFIG_BZLIB + encodings[0].compression.algo != MATROSKA_TRACK_ENCODING_COMP_BZLIB && +#endif + encodings[0].compression.algo != MATROSKA_TRACK_ENCODING_COMP_LZO)) { + encodings[0].scope = 0; + av_log(matroska->ctx, AV_LOG_ERROR, + "Unsupported encoding type"); + } else if (track->codec_priv.size && encodings[0].scope&2) { + uint8_t *codec_priv = track->codec_priv.data; + int offset = matroska_decode_buffer(&track->codec_priv.data, + &track->codec_priv.size, + track); + if (offset < 0) { + track->codec_priv.data = NULL; + track->codec_priv.size = 0; + av_log(matroska->ctx, AV_LOG_ERROR, + "Failed to decode codec private data\n"); + } else if (offset > 0) { + track->codec_priv.data = av_malloc(track->codec_priv.size + offset); + memcpy(track->codec_priv.data, + encodings[0].compression.settings.data, offset); + memcpy(track->codec_priv.data+offset, codec_priv, + track->codec_priv.size); + track->codec_priv.size += offset; + } + if (codec_priv != track->codec_priv.data) + av_free(codec_priv); + } + } + for(j=0; ff_mkv_codec_tags[j].id != CODEC_ID_NONE; j++){ if(!strncmp(ff_mkv_codec_tags[j].str, track->codec_id, strlen(ff_mkv_codec_tags[j].str))){ @@ -1825,6 +1783,41 @@ matroska_read_header (AVFormatContext *s, } res = 0; + attachements = attachements_list->elem; + for (j=0; jnb_elem; j++) { + if (!(attachements[j].filename && attachements[j].mime && + attachements[j].bin.data && attachements[j].bin.size > 0)) { + av_log(matroska->ctx, AV_LOG_ERROR, "incomplete attachment\n"); + } else { + AVStream *st = av_new_stream(s, matroska->num_streams++); + if (st == NULL) + break; + st->filename = av_strdup(attachements[j].filename); + st->codec->codec_id = CODEC_ID_NONE; + st->codec->codec_type = CODEC_TYPE_ATTACHMENT; + st->codec->extradata = av_malloc(attachements[j].bin.size); + if(st->codec->extradata == NULL) + break; + st->codec->extradata_size = attachements[j].bin.size; + memcpy(st->codec->extradata, attachements[j].bin.data, attachements[j].bin.size); + + for (i=0; ff_mkv_mime_tags[i].id != CODEC_ID_NONE; i++) { + if (!strncmp(ff_mkv_mime_tags[i].str, attachements[j].mime, + strlen(ff_mkv_mime_tags[i].str))) { + st->codec->codec_id = ff_mkv_mime_tags[i].id; + break; + } + } + } + } + + chapters = chapters_list->elem; + for (i=0; inb_elem; i++) + if (chapters[i].start != AV_NOPTS_VALUE && chapters[i].uid) + ff_new_chapter(s, chapters[i].uid, (AVRational){1, 1000000000}, + chapters[i].start, chapters[i].end, + chapters[i].title); + index_list = &matroska->index; index = index_list->elem; for (i=0; inb_elem; i++) {