diff options
author | Luca Barbato <lu_zero@gentoo.org> | 2014-06-07 00:54:50 +0200 |
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committer | Luca Barbato <lu_zero@gentoo.org> | 2014-07-01 16:42:32 +0200 |
commit | f1f6156b3fc9eb77b439d031ba18974d80b8341e (patch) | |
tree | 14c8792dfa731f2f9c4337f525edd52eabb8bee8 /libavformat | |
parent | d0449e754553b0c110b6cd75f6725b82144fbd2a (diff) | |
download | ffmpeg-streaming-f1f6156b3fc9eb77b439d031ba18974d80b8341e.zip ffmpeg-streaming-f1f6156b3fc9eb77b439d031ba18974d80b8341e.tar.gz |
matroska: K&R formatting cosmetics
Diffstat (limited to 'libavformat')
-rw-r--r-- | libavformat/matroskaenc.c | 380 |
1 files changed, 212 insertions, 168 deletions
diff --git a/libavformat/matroskaenc.c b/libavformat/matroskaenc.c index 7d3050e..fea18e1 100644 --- a/libavformat/matroskaenc.c +++ b/libavformat/matroskaenc.c @@ -122,19 +122,18 @@ typedef struct MatroskaMuxContext { #define MAX_CUETRACKPOS_SIZE 22 /** per-cuepoint - 2 1-byte EBML IDs, 2 1-byte EBML sizes, 8-byte uint max */ -#define MAX_CUEPOINT_SIZE(num_tracks) 12 + MAX_CUETRACKPOS_SIZE*num_tracks - +#define MAX_CUEPOINT_SIZE(num_tracks) 12 + MAX_CUETRACKPOS_SIZE * num_tracks static int ebml_id_size(unsigned int id) { - return (av_log2(id+1)-1)/7+1; + return (av_log2(id + 1) - 1) / 7 + 1; } static void put_ebml_id(AVIOContext *pb, unsigned int id) { int i = ebml_id_size(id); while (i--) - avio_w8(pb, id >> (i*8)); + avio_w8(pb, id >> (i * 8)); } /** @@ -156,7 +155,8 @@ static void put_ebml_size_unknown(AVIOContext *pb, int bytes) static int ebml_num_size(uint64_t num) { int bytes = 1; - while ((num+1) >> bytes*7) bytes++; + while ((num + 1) >> bytes * 7) + bytes++; return bytes; } @@ -171,7 +171,7 @@ static void put_ebml_num(AVIOContext *pb, uint64_t num, int bytes) int i, needed_bytes = ebml_num_size(num); // sizes larger than this are currently undefined in EBML - assert(num < (1ULL<<56)-1); + assert(num < (1ULL << 56) - 1); if (bytes == 0) // don't care how many bytes are used, so use the min @@ -180,21 +180,22 @@ static void put_ebml_num(AVIOContext *pb, uint64_t num, int bytes) // that we need to use, so write unknown size. This shouldn't happen. assert(bytes >= needed_bytes); - num |= 1ULL << bytes*7; + num |= 1ULL << bytes * 7; for (i = bytes - 1; i >= 0; i--) - avio_w8(pb, num >> i*8); + avio_w8(pb, num >> i * 8); } static void put_ebml_uint(AVIOContext *pb, unsigned int elementid, uint64_t val) { int i, bytes = 1; uint64_t tmp = val; - while (tmp>>=8) bytes++; + while (tmp >>= 8) + bytes++; put_ebml_id(pb, elementid); put_ebml_num(pb, bytes, 0); for (i = bytes - 1; i >= 0; i--) - avio_w8(pb, val >> i*8); + avio_w8(pb, val >> i * 8); } static void put_ebml_float(AVIOContext *pb, unsigned int elementid, double val) @@ -212,7 +213,8 @@ static void put_ebml_binary(AVIOContext *pb, unsigned int elementid, avio_write(pb, buf, size); } -static void put_ebml_string(AVIOContext *pb, unsigned int elementid, const char *str) +static void put_ebml_string(AVIOContext *pb, unsigned int elementid, + const char *str) { put_ebml_binary(pb, elementid, str, strlen(str)); } @@ -234,19 +236,20 @@ static void put_ebml_void(AVIOContext *pb, uint64_t size) // size we need to reserve so 2 cases, we use 8 bytes to store the // size if possible, 1 byte otherwise if (size < 10) - put_ebml_num(pb, size-1, 0); + put_ebml_num(pb, size - 1, 0); else - put_ebml_num(pb, size-9, 8); - while(avio_tell(pb) < currentpos + size) + put_ebml_num(pb, size - 9, 8); + while (avio_tell(pb) < currentpos + size) avio_w8(pb, 0); } -static ebml_master start_ebml_master(AVIOContext *pb, unsigned int elementid, uint64_t expectedsize) +static ebml_master start_ebml_master(AVIOContext *pb, unsigned int elementid, + uint64_t expectedsize) { int bytes = expectedsize ? ebml_num_size(expectedsize) : 8; put_ebml_id(pb, elementid); put_ebml_size_unknown(pb, bytes); - return (ebml_master){ avio_tell(pb), bytes }; + return (ebml_master) {avio_tell(pb), bytes }; } static void end_ebml_master(AVIOContext *pb, ebml_master master) @@ -278,7 +281,8 @@ static void put_xiph_size(AVIOContext *pb, int size) * @param numelements The maximum number of elements that will be indexed * by this seek head, 0 if unlimited. */ -static mkv_seekhead * mkv_start_seekhead(AVIOContext *pb, int64_t segment_offset, int numelements) +static mkv_seekhead *mkv_start_seekhead(AVIOContext *pb, int64_t segment_offset, + int numelements) { mkv_seekhead *new_seekhead = av_mallocz(sizeof(mkv_seekhead)); if (new_seekhead == NULL) @@ -292,7 +296,7 @@ static mkv_seekhead * mkv_start_seekhead(AVIOContext *pb, int64_t segment_offset // and size, and 3 bytes to guarantee that an EBML void element // will fit afterwards new_seekhead->reserved_size = numelements * MAX_SEEKENTRY_SIZE + 13; - new_seekhead->max_entries = numelements; + new_seekhead->max_entries = numelements; put_ebml_void(pb, new_seekhead->reserved_size); } return new_seekhead; @@ -371,7 +375,7 @@ fail: return currentpos; } -static mkv_cues * mkv_start_cues(int64_t segment_offset) +static mkv_cues *mkv_start_cues(int64_t segment_offset) { mkv_cues *cues = av_mallocz(sizeof(mkv_cues)); if (cues == NULL) @@ -515,13 +519,15 @@ static int put_flac_codecpriv(AVFormatContext *s, return 0; } -static void get_aac_sample_rates(AVFormatContext *s, AVCodecContext *codec, int *sample_rate, int *output_sample_rate) +static void get_aac_sample_rates(AVFormatContext *s, AVCodecContext *codec, + int *sample_rate, int *output_sample_rate) { MPEG4AudioConfig mp4ac; if (avpriv_mpeg4audio_get_config(&mp4ac, codec->extradata, codec->extradata_size * 8, 1) < 0) { - av_log(s, AV_LOG_WARNING, "Error parsing AAC extradata, unable to determine samplerate.\n"); + av_log(s, AV_LOG_WARNING, + "Error parsing AAC extradata, unable to determine samplerate.\n"); return; } @@ -529,27 +535,32 @@ static void get_aac_sample_rates(AVFormatContext *s, AVCodecContext *codec, int *output_sample_rate = mp4ac.ext_sample_rate; } -static int mkv_write_codecprivate(AVFormatContext *s, AVIOContext *pb, AVCodecContext *codec, int native_id, int qt_id) +static int mkv_write_codecprivate(AVFormatContext *s, AVIOContext *pb, + AVCodecContext *codec, int native_id, + int qt_id) { AVIOContext *dyn_cp; uint8_t *codecpriv; int ret, codecpriv_size; ret = avio_open_dyn_buf(&dyn_cp); - if(ret < 0) + if (ret < 0) return ret; if (native_id) { - if (codec->codec_id == AV_CODEC_ID_VORBIS || codec->codec_id == AV_CODEC_ID_THEORA) + if (codec->codec_id == AV_CODEC_ID_VORBIS || + codec->codec_id == AV_CODEC_ID_THEORA) ret = put_xiph_codecpriv(s, dyn_cp, codec); else if (codec->codec_id == AV_CODEC_ID_FLAC) ret = put_flac_codecpriv(s, dyn_cp, codec); else if (codec->codec_id == AV_CODEC_ID_WAVPACK) ret = put_wv_codecpriv(dyn_cp, codec); else if (codec->codec_id == AV_CODEC_ID_H264) - ret = ff_isom_write_avcc(dyn_cp, codec->extradata, codec->extradata_size); + ret = ff_isom_write_avcc(dyn_cp, codec->extradata, + codec->extradata_size); else if (codec->codec_id == AV_CODEC_ID_HEVC) - ret = ff_isom_write_hvcc(dyn_cp, codec->extradata, codec->extradata_size, 0); + ret = ff_isom_write_hvcc(dyn_cp, codec->extradata, + codec->extradata_size, 0); else if (codec->codec_id == AV_CODEC_ID_ALAC) { if (codec->extradata_size < 36) { av_log(s, AV_LOG_ERROR, @@ -558,19 +569,20 @@ static int mkv_write_codecprivate(AVFormatContext *s, AVIOContext *pb, AVCodecCo ret = AVERROR_INVALIDDATA; } else avio_write(dyn_cp, codec->extradata + 12, - codec->extradata_size - 12); - } - else if (codec->extradata_size) + codec->extradata_size - 12); + } else if (codec->extradata_size) avio_write(dyn_cp, codec->extradata, codec->extradata_size); } else if (codec->codec_type == AVMEDIA_TYPE_VIDEO) { if (qt_id) { if (!codec->codec_tag) - codec->codec_tag = ff_codec_get_tag(ff_codec_movvideo_tags, codec->codec_id); + codec->codec_tag = ff_codec_get_tag(ff_codec_movvideo_tags, + codec->codec_id); if (codec->extradata_size) avio_write(dyn_cp, codec->extradata, codec->extradata_size); } else { if (!codec->codec_tag) - codec->codec_tag = ff_codec_get_tag(ff_codec_bmp_tags, codec->codec_id); + codec->codec_tag = ff_codec_get_tag(ff_codec_bmp_tags, + codec->codec_id); if (!codec->codec_tag) { av_log(s, AV_LOG_ERROR, "No bmp codec ID found.\n"); ret = -1; @@ -578,7 +590,6 @@ static int mkv_write_codecprivate(AVFormatContext *s, AVIOContext *pb, AVCodecCo ff_put_bmp_header(dyn_cp, codec, ff_codec_bmp_tags, 0); } - } else if (codec->codec_type == AVMEDIA_TYPE_AUDIO) { unsigned int tag; tag = ff_codec_get_tag(ff_codec_wav_tags, codec->codec_id); @@ -594,7 +605,8 @@ static int mkv_write_codecprivate(AVFormatContext *s, AVIOContext *pb, AVCodecCo codecpriv_size = avio_close_dyn_buf(dyn_cp, &codecpriv); if (codecpriv_size) - put_ebml_binary(pb, MATROSKA_ID_CODECPRIVATE, codecpriv, codecpriv_size); + put_ebml_binary(pb, MATROSKA_ID_CODECPRIVATE, codecpriv, + codecpriv_size); av_free(codecpriv); return ret; } @@ -607,7 +619,8 @@ static int mkv_write_tracks(AVFormatContext *s) int i, j, ret; ret = mkv_add_seekhead_entry(mkv->main_seekhead, MATROSKA_ID_TRACKS, avio_tell(pb)); - if (ret < 0) return ret; + if (ret < 0) + return ret; tracks = start_ebml_master(pb, MATROSKA_ID_TRACKS, 0); for (i = 0; i < s->nb_streams; i++) { @@ -680,89 +693,90 @@ static int mkv_write_tracks(AVFormatContext *s) } switch (codec->codec_type) { - case AVMEDIA_TYPE_VIDEO: - put_ebml_uint(pb, MATROSKA_ID_TRACKTYPE, MATROSKA_TRACK_TYPE_VIDEO); - if (st->avg_frame_rate.num > 0 && st->avg_frame_rate.den > 0) - put_ebml_uint(pb, MATROSKA_ID_TRACKDEFAULTDURATION, 1E9 / av_q2d(st->avg_frame_rate)); - - if (!native_id && - ff_codec_get_tag(ff_codec_movvideo_tags, codec->codec_id) && - (!ff_codec_get_tag(ff_codec_bmp_tags, codec->codec_id) - || codec->codec_id == AV_CODEC_ID_SVQ1 - || codec->codec_id == AV_CODEC_ID_SVQ3 - || codec->codec_id == AV_CODEC_ID_CINEPAK)) - qt_id = 1; - - if (qt_id) - put_ebml_string(pb, MATROSKA_ID_CODECID, "V_QUICKTIME"); - else if (!native_id) { - // if there is no mkv-specific codec ID, use VFW mode - put_ebml_string(pb, MATROSKA_ID_CODECID, "V_MS/VFW/FOURCC"); - mkv->tracks[i].write_dts = 1; - } + case AVMEDIA_TYPE_VIDEO: + put_ebml_uint(pb, MATROSKA_ID_TRACKTYPE, MATROSKA_TRACK_TYPE_VIDEO); + if (st->avg_frame_rate.num > 0 && st->avg_frame_rate.den > 0) + put_ebml_uint(pb, MATROSKA_ID_TRACKDEFAULTDURATION, 1E9 / av_q2d(st->avg_frame_rate)); + + if (!native_id && + ff_codec_get_tag(ff_codec_movvideo_tags, codec->codec_id) && + (!ff_codec_get_tag(ff_codec_bmp_tags, codec->codec_id) || + codec->codec_id == AV_CODEC_ID_SVQ1 || + codec->codec_id == AV_CODEC_ID_SVQ3 || + codec->codec_id == AV_CODEC_ID_CINEPAK)) + qt_id = 1; + + if (qt_id) + put_ebml_string(pb, MATROSKA_ID_CODECID, "V_QUICKTIME"); + else if (!native_id) { + // if there is no mkv-specific codec ID, use VFW mode + put_ebml_string(pb, MATROSKA_ID_CODECID, "V_MS/VFW/FOURCC"); + mkv->tracks[i].write_dts = 1; + } - subinfo = start_ebml_master(pb, MATROSKA_ID_TRACKVIDEO, 0); - // XXX: interlace flag? - put_ebml_uint (pb, MATROSKA_ID_VIDEOPIXELWIDTH , codec->width); - put_ebml_uint (pb, MATROSKA_ID_VIDEOPIXELHEIGHT, codec->height); - if ((tag = av_dict_get(s->metadata, "stereo_mode", NULL, 0))) { - uint8_t stereo_fmt = atoi(tag->value); - int valid_fmt = 0; - - switch (mkv->mode) { - case MODE_WEBM: - if (stereo_fmt <= MATROSKA_VIDEO_STEREOMODE_TYPE_TOP_BOTTOM - || stereo_fmt == MATROSKA_VIDEO_STEREOMODE_TYPE_RIGHT_LEFT) - valid_fmt = 1; - break; - case MODE_MATROSKAv2: - if (stereo_fmt <= MATROSKA_VIDEO_STEREOMODE_TYPE_BOTH_EYES_BLOCK_RL) - valid_fmt = 1; - break; - } - - if (valid_fmt) - put_ebml_uint (pb, MATROSKA_ID_VIDEOSTEREOMODE, stereo_fmt); - } - if (st->sample_aspect_ratio.num) { - int d_width = codec->width*av_q2d(st->sample_aspect_ratio); - put_ebml_uint(pb, MATROSKA_ID_VIDEODISPLAYWIDTH , d_width); - put_ebml_uint(pb, MATROSKA_ID_VIDEODISPLAYHEIGHT, codec->height); - put_ebml_uint(pb, MATROSKA_ID_VIDEODISPLAYUNIT, 3); + subinfo = start_ebml_master(pb, MATROSKA_ID_TRACKVIDEO, 0); + // XXX: interlace flag? + put_ebml_uint (pb, MATROSKA_ID_VIDEOPIXELWIDTH , codec->width); + put_ebml_uint (pb, MATROSKA_ID_VIDEOPIXELHEIGHT, codec->height); + if ((tag = av_dict_get(s->metadata, "stereo_mode", NULL, 0))) { + uint8_t stereo_fmt = atoi(tag->value); + int valid_fmt = 0; + + switch (mkv->mode) { + case MODE_WEBM: + if (stereo_fmt <= MATROSKA_VIDEO_STEREOMODE_TYPE_TOP_BOTTOM || + stereo_fmt == MATROSKA_VIDEO_STEREOMODE_TYPE_RIGHT_LEFT) + valid_fmt = 1; + break; + case MODE_MATROSKAv2: + if (stereo_fmt <= MATROSKA_VIDEO_STEREOMODE_TYPE_BOTH_EYES_BLOCK_RL) + valid_fmt = 1; + break; } - end_ebml_master(pb, subinfo); - break; - case AVMEDIA_TYPE_AUDIO: - put_ebml_uint(pb, MATROSKA_ID_TRACKTYPE, MATROSKA_TRACK_TYPE_AUDIO); - - if (!native_id) - // no mkv-specific ID, use ACM mode - put_ebml_string(pb, MATROSKA_ID_CODECID, "A_MS/ACM"); - - subinfo = start_ebml_master(pb, MATROSKA_ID_TRACKAUDIO, 0); - put_ebml_uint (pb, MATROSKA_ID_AUDIOCHANNELS , codec->channels); - put_ebml_float (pb, MATROSKA_ID_AUDIOSAMPLINGFREQ, sample_rate); - if (output_sample_rate) - put_ebml_float(pb, MATROSKA_ID_AUDIOOUTSAMPLINGFREQ, output_sample_rate); - if (bit_depth) - put_ebml_uint(pb, MATROSKA_ID_AUDIOBITDEPTH, bit_depth); - end_ebml_master(pb, subinfo); - break; - - case AVMEDIA_TYPE_SUBTITLE: - put_ebml_uint(pb, MATROSKA_ID_TRACKTYPE, MATROSKA_TRACK_TYPE_SUBTITLE); - if (!native_id) { - av_log(s, AV_LOG_ERROR, "Subtitle codec %d is not supported.\n", codec->codec_id); - return AVERROR(ENOSYS); - } - break; - default: - av_log(s, AV_LOG_ERROR, "Only audio, video, and subtitles are supported for Matroska.\n"); - break; + if (valid_fmt) + put_ebml_uint (pb, MATROSKA_ID_VIDEOSTEREOMODE, stereo_fmt); + } + if (st->sample_aspect_ratio.num) { + int d_width = codec->width*av_q2d(st->sample_aspect_ratio); + put_ebml_uint(pb, MATROSKA_ID_VIDEODISPLAYWIDTH , d_width); + put_ebml_uint(pb, MATROSKA_ID_VIDEODISPLAYHEIGHT, codec->height); + put_ebml_uint(pb, MATROSKA_ID_VIDEODISPLAYUNIT, 3); + } + end_ebml_master(pb, subinfo); + break; + + case AVMEDIA_TYPE_AUDIO: + put_ebml_uint(pb, MATROSKA_ID_TRACKTYPE, MATROSKA_TRACK_TYPE_AUDIO); + + if (!native_id) + // no mkv-specific ID, use ACM mode + put_ebml_string(pb, MATROSKA_ID_CODECID, "A_MS/ACM"); + + subinfo = start_ebml_master(pb, MATROSKA_ID_TRACKAUDIO, 0); + put_ebml_uint (pb, MATROSKA_ID_AUDIOCHANNELS , codec->channels); + put_ebml_float (pb, MATROSKA_ID_AUDIOSAMPLINGFREQ, sample_rate); + if (output_sample_rate) + put_ebml_float(pb, MATROSKA_ID_AUDIOOUTSAMPLINGFREQ, output_sample_rate); + if (bit_depth) + put_ebml_uint(pb, MATROSKA_ID_AUDIOBITDEPTH, bit_depth); + end_ebml_master(pb, subinfo); + break; + + case AVMEDIA_TYPE_SUBTITLE: + put_ebml_uint(pb, MATROSKA_ID_TRACKTYPE, MATROSKA_TRACK_TYPE_SUBTITLE); + if (!native_id) { + av_log(s, AV_LOG_ERROR, "Subtitle codec %d is not supported.\n", codec->codec_id); + return AVERROR(ENOSYS); + } + break; + default: + av_log(s, AV_LOG_ERROR, "Only audio, video, and subtitles are supported for Matroska.\n"); + break; } ret = mkv_write_codecprivate(s, pb, codec, native_id, qt_id); - if (ret < 0) return ret; + if (ret < 0) + return ret; end_ebml_master(pb, track); } @@ -983,8 +997,10 @@ static int mkv_write_header(AVFormatContext *s) AVDictionaryEntry *tag; int ret, i; - if (!strcmp(s->oformat->name, "webm")) mkv->mode = MODE_WEBM; - else mkv->mode = MODE_MATROSKAv2; + if (!strcmp(s->oformat->name, "webm")) + mkv->mode = MODE_WEBM; + else + mkv->mode = MODE_MATROSKAv2; mkv->tracks = av_mallocz(s->nb_streams * sizeof(*mkv->tracks)); if (!mkv->tracks) @@ -1028,7 +1044,7 @@ static int mkv_write_header(AVFormatContext *s) for (i = 0; i < 4; i++) segment_uid[i] = av_lfg_get(&lfg); - put_ebml_string(pb, MATROSKA_ID_MUXINGAPP , LIBAVFORMAT_IDENT); + put_ebml_string(pb, MATROSKA_ID_MUXINGAPP, LIBAVFORMAT_IDENT); if ((tag = av_dict_get(s->metadata, "encoding_tool", NULL, 0))) put_ebml_string(pb, MATROSKA_ID_WRITINGAPP, tag->value); else @@ -1043,17 +1059,21 @@ static int mkv_write_header(AVFormatContext *s) end_ebml_master(pb, segment_info); ret = mkv_write_tracks(s); - if (ret < 0) return ret; + if (ret < 0) + return ret; if (mkv->mode != MODE_WEBM) { ret = mkv_write_chapters(s); - if (ret < 0) return ret; + if (ret < 0) + return ret; ret = mkv_write_tags(s); - if (ret < 0) return ret; + if (ret < 0) + return ret; ret = mkv_write_attachments(s); - if (ret < 0) return ret; + if (ret < 0) + return ret; } if (!s->pb->seekable) @@ -1109,12 +1129,13 @@ static int ass_get_duration(const uint8_t *p) if (sscanf(p, "%*[^,],%d:%d:%d%*c%d,%d:%d:%d%*c%d", &sh, &sm, &ss, &sc, &eh, &em, &es, &ec) != 8) return 0; - start = 3600000*sh + 60000*sm + 1000*ss + 10*sc; - end = 3600000*eh + 60000*em + 1000*es + 10*ec; + start = 3600000 * sh + 60000 * sm + 1000 * ss + 10 * sc; + end = 3600000 * eh + 60000 * em + 1000 * es + 10 * ec; return end - start; } -static int mkv_write_ass_blocks(AVFormatContext *s, AVIOContext *pb, AVPacket *pkt) +static int mkv_write_ass_blocks(AVFormatContext *s, AVIOContext *pb, + AVPacket *pkt) { MatroskaMuxContext *mkv = s->priv_data; int i, layer = 0, max_duration = 0, size, line_size, data_size = pkt->size; @@ -1125,34 +1146,37 @@ static int mkv_write_ass_blocks(AVFormatContext *s, AVIOContext *pb, AVPacket *p while (data_size) { int duration = ass_get_duration(data); max_duration = FFMAX(duration, max_duration); - end = memchr(data, '\n', data_size); - size = line_size = end ? end-data+1 : data_size; - size -= end ? (end[-1]=='\r')+1 : 0; - start = data; - for (i=0; i<3; i++, start++) - if (!(start = memchr(start, ',', size-(start-data)))) + end = memchr(data, '\n', data_size); + size = line_size = end ? end - data + 1 : data_size; + size -= end ? (end[-1] == '\r') + 1 : 0; + start = data; + for (i = 0; i < 3; i++, start++) + if (!(start = memchr(start, ',', size - (start - data)))) return max_duration; size -= start - data; sscanf(data, "Dialogue: %d,", &layer); - i = snprintf(buffer, sizeof(buffer), "%"PRId64",%d,", + i = snprintf(buffer, sizeof(buffer), "%" PRId64 ",%d,", s->streams[pkt->stream_index]->nb_frames, layer); - size = FFMIN(i+size, sizeof(buffer)); - memcpy(buffer+i, start, size-i); + size = FFMIN(i + size, sizeof(buffer)); + memcpy(buffer + i, start, size - i); - av_log(s, AV_LOG_DEBUG, "Writing block at offset %" PRIu64 ", size %d, " + av_log(s, AV_LOG_DEBUG, + "Writing block at offset %" PRIu64 ", size %d, " "pts %" PRId64 ", duration %d\n", avio_tell(pb), size, pkt->pts, duration); - blockgroup = start_ebml_master(pb, MATROSKA_ID_BLOCKGROUP, mkv_blockgroup_size(size)); + blockgroup = start_ebml_master(pb, MATROSKA_ID_BLOCKGROUP, + mkv_blockgroup_size(size)); put_ebml_id(pb, MATROSKA_ID_BLOCK); - put_ebml_num(pb, size+4, 0); - avio_w8(pb, 0x80 | (pkt->stream_index + 1)); // this assumes stream_index is less than 126 + put_ebml_num(pb, size + 4, 0); + // this assumes stream_index is less than 126 + avio_w8(pb, 0x80 | (pkt->stream_index + 1)); avio_wb16(pb, pkt->pts - mkv->cluster_pts); avio_w8(pb, 0); avio_write(pb, buffer, size); put_ebml_uint(pb, MATROSKA_ID_BLOCKDURATION, duration); end_ebml_master(pb, blockgroup); - data += line_size; + data += line_size; data_size -= line_size; } @@ -1243,13 +1267,14 @@ static void mkv_write_block(AVFormatContext *s, AVIOContext *pb, if (codec->codec_id == AV_CODEC_ID_PRORES) { /* Matroska specification requires to remove the first QuickTime atom */ - size -= 8; + size -= 8; offset = 8; } put_ebml_id(pb, blockid); - put_ebml_num(pb, size+4, 0); - avio_w8(pb, 0x80 | (pkt->stream_index + 1)); // this assumes stream_index is less than 126 + put_ebml_num(pb, size + 4, 0); + // this assumes stream_index is less than 126 + avio_w8(pb, 0x80 | (pkt->stream_index + 1)); avio_wb16(pb, ts - mkv->cluster_pts); avio_w8(pb, flags); avio_write(pb, data + offset, size); @@ -1261,14 +1286,19 @@ static int srt_get_duration(uint8_t **buf) { int i, duration = 0; - for (i=0; i<2 && !duration; i++) { + for (i = 0; i < 2 && !duration; i++) { int s_hour, s_min, s_sec, s_hsec, e_hour, e_min, e_sec, e_hsec; if (sscanf(*buf, "%d:%2d:%2d%*1[,.]%3d --> %d:%2d:%2d%*1[,.]%3d", &s_hour, &s_min, &s_sec, &s_hsec, &e_hour, &e_min, &e_sec, &e_hsec) == 8) { - s_min += 60*s_hour; e_min += 60*e_hour; - s_sec += 60*s_min; e_sec += 60*e_min; - s_hsec += 1000*s_sec; e_hsec += 1000*e_sec; + s_min += 60 * s_hour; + e_min += 60 * e_hour; + s_sec += 60 * s_min; + + e_sec += 60 * e_min; + s_hsec += 1000 * s_sec; + e_hsec += 1000 * e_sec; + duration = e_hsec - s_hsec; } *buf += strcspn(*buf, "\n") + 1; @@ -1276,7 +1306,8 @@ static int srt_get_duration(uint8_t **buf) return duration; } -static int mkv_write_srt_blocks(AVFormatContext *s, AVIOContext *pb, AVPacket *pkt) +static int mkv_write_srt_blocks(AVFormatContext *s, AVIOContext *pb, + AVPacket *pkt) { ebml_master blockgroup; AVPacket pkt2 = *pkt; @@ -1310,10 +1341,10 @@ static void mkv_flush_dynbuf(AVFormatContext *s) static int mkv_write_packet_internal(AVFormatContext *s, AVPacket *pkt) { MatroskaMuxContext *mkv = s->priv_data; - AVIOContext *pb = s->pb; - AVCodecContext *codec = s->streams[pkt->stream_index]->codec; - int keyframe = !!(pkt->flags & AV_PKT_FLAG_KEY); - int duration = pkt->duration; + AVIOContext *pb = s->pb; + AVCodecContext *codec = s->streams[pkt->stream_index]->codec; + int keyframe = !!(pkt->flags & AV_PKT_FLAG_KEY); + int duration = pkt->duration; int ret; int64_t ts = mkv->tracks[pkt->stream_index].write_dts ? pkt->dts : pkt->pts; @@ -1331,7 +1362,7 @@ static int mkv_write_packet_internal(AVFormatContext *s, AVPacket *pkt) if (!mkv->cluster_pos) { mkv->cluster_pos = avio_tell(s->pb); - mkv->cluster = start_ebml_master(pb, MATROSKA_ID_CLUSTER, 0); + mkv->cluster = start_ebml_master(pb, MATROSKA_ID_CLUSTER, 0); put_ebml_uint(pb, MATROSKA_ID_CLUSTERTIMECODE, FFMAX(0, ts)); mkv->cluster_pts = FFMAX(0, ts); } @@ -1343,7 +1374,8 @@ static int mkv_write_packet_internal(AVFormatContext *s, AVPacket *pkt) } else if (codec->codec_id == AV_CODEC_ID_SRT) { duration = mkv_write_srt_blocks(s, pb, pkt); } else { - ebml_master blockgroup = start_ebml_master(pb, MATROSKA_ID_BLOCKGROUP, mkv_blockgroup_size(pkt->size)); + ebml_master blockgroup = start_ebml_master(pb, MATROSKA_ID_BLOCKGROUP, + mkv_blockgroup_size(pkt->size)); duration = pkt->convergence_duration; mkv_write_block(s, pb, MATROSKA_ID_BLOCK, pkt, 0); put_ebml_uint(pb, MATROSKA_ID_BLOCKDURATION, duration); @@ -1351,8 +1383,10 @@ static int mkv_write_packet_internal(AVFormatContext *s, AVPacket *pkt) } if (codec->codec_type == AVMEDIA_TYPE_VIDEO && keyframe) { - ret = mkv_add_cuepoint(mkv->cues, pkt->stream_index, ts, mkv->cluster_pos); - if (ret < 0) return ret; + ret = mkv_add_cuepoint(mkv->cues, pkt->stream_index, ts, + mkv->cluster_pos); + if (ret < 0) + return ret; } mkv->duration = FFMAX(mkv->duration, ts + duration); @@ -1390,8 +1424,9 @@ static int mkv_write_packet(AVFormatContext *s, AVPacket *pkt) cluster_time > mkv->cluster_time_limit || (codec_type == AVMEDIA_TYPE_VIDEO && keyframe && cluster_size > 4 * 1024))) { - av_log(s, AV_LOG_DEBUG, "Starting new cluster at offset %" PRIu64 - " bytes, pts %" PRIu64 "dts %" PRIu64 "\n", + av_log(s, AV_LOG_DEBUG, + "Starting new cluster at offset %" PRIu64 " bytes, " + "pts %" PRIu64 "dts %" PRIu64 "\n", avio_tell(pb), pkt->pts, pkt->dts); end_ebml_master(pb, mkv->cluster); mkv->cluster_pos = 0; @@ -1405,7 +1440,8 @@ static int mkv_write_packet(AVFormatContext *s, AVPacket *pkt) ret = mkv_write_packet_internal(s, &mkv->cur_audio_pkt); av_free_packet(&mkv->cur_audio_pkt); if (ret < 0) { - av_log(s, AV_LOG_ERROR, "Could not write cached audio packet ret:%d\n", ret); + av_log(s, AV_LOG_ERROR, + "Could not write cached audio packet ret:%d\n", ret); return ret; } } @@ -1434,8 +1470,9 @@ static int mkv_write_flush_packet(AVFormatContext *s, AVPacket *pkt) pb = mkv->dyn_bc; if (!pkt) { if (mkv->cluster_pos) { - av_log(s, AV_LOG_DEBUG, "Flushing cluster at offset %" PRIu64 - " bytes\n", avio_tell(pb)); + av_log(s, AV_LOG_DEBUG, + "Flushing cluster at offset %" PRIu64 " bytes\n", + avio_tell(pb)); end_ebml_master(pb, mkv->cluster); mkv->cluster_pos = 0; if (mkv->dyn_bc) @@ -1459,7 +1496,8 @@ static int mkv_write_trailer(AVFormatContext *s) ret = mkv_write_packet_internal(s, &mkv->cur_audio_pkt); av_free_packet(&mkv->cur_audio_pkt); if (ret < 0) { - av_log(s, AV_LOG_ERROR, "Could not write cached audio packet ret:%d\n", ret); + av_log(s, AV_LOG_ERROR, + "Could not write cached audio packet ret:%d\n", ret); return ret; } } @@ -1473,7 +1511,8 @@ static int mkv_write_trailer(AVFormatContext *s) if (mkv->mode != MODE_WEBM) { ret = mkv_write_chapters(s); - if (ret < 0) return ret; + if (ret < 0) + return ret; } if (pb->seekable) { @@ -1484,25 +1523,29 @@ static int mkv_write_trailer(AVFormatContext *s) currentpos = avio_tell(pb); avio_seek(pb, mkv->cues_pos, SEEK_SET); - cuespos = mkv_write_cues(pb, mkv->cues, s->nb_streams); + cuespos = mkv_write_cues(pb, mkv->cues, s->nb_streams); cues_end = avio_tell(pb); if (cues_end > cuespos + mkv->reserve_cues_space) { - av_log(s, AV_LOG_ERROR, "Insufficient space reserved for cues: %d " - "(needed: %"PRId64").\n", mkv->reserve_cues_space, - cues_end - cuespos); + av_log(s, AV_LOG_ERROR, + "Insufficient space reserved for cues: %d " + "(needed: %" PRId64 ").\n", + mkv->reserve_cues_space, cues_end - cuespos); return AVERROR(EINVAL); } if (cues_end < cuespos + mkv->reserve_cues_space) - put_ebml_void(pb, mkv->reserve_cues_space - (cues_end - cuespos)); + put_ebml_void(pb, mkv->reserve_cues_space - + (cues_end - cuespos)); avio_seek(pb, currentpos, SEEK_SET); } else { cuespos = mkv_write_cues(pb, mkv->cues, s->nb_streams); } - ret = mkv_add_seekhead_entry(mkv->main_seekhead, MATROSKA_ID_CUES, cuespos); - if (ret < 0) return ret; + ret = mkv_add_seekhead_entry(mkv->main_seekhead, MATROSKA_ID_CUES, + cuespos); + if (ret < 0) + return ret; } mkv_write_seekhead(pb, mkv->main_seekhead); @@ -1531,8 +1574,9 @@ static int mkv_query_codec(enum AVCodecID codec_id, int std_compliance) if (ff_mkv_codec_tags[i].id == codec_id) return 1; - if (std_compliance < FF_COMPLIANCE_NORMAL) { // mkv theoretically supports any - enum AVMediaType type = avcodec_get_type(codec_id); // video/audio through VFW/ACM + if (std_compliance < FF_COMPLIANCE_NORMAL) { + enum AVMediaType type = avcodec_get_type(codec_id); + // mkv theoretically supports any video/audio through VFW/ACM if (type == AVMEDIA_TYPE_VIDEO || type == AVMEDIA_TYPE_AUDIO) return 1; } |