From: Limin Wang <lance.lmw...@gmail.com> Signed-off-by: Limin Wang <lance.lmw...@gmail.com> --- libavformat/mxfenc.c | 73 ++++++++++++++++++++++++++++++---------------------- 1 file changed, 42 insertions(+), 31 deletions(-)
diff --git a/libavformat/mxfenc.c b/libavformat/mxfenc.c index d8678c9..7fce7b9 100644 --- a/libavformat/mxfenc.c +++ b/libavformat/mxfenc.c @@ -60,12 +60,13 @@ #include "mxf.h" #include "config.h" -extern AVOutputFormat ff_mxf_d10_muxer; -extern AVOutputFormat ff_mxf_opatom_muxer; - #define EDIT_UNITS_PER_BODY 250 #define KAG_SIZE 512 +#define MODE_OP1a 0x01 +#define MODE_D10 0x02 +#define MODE_OPA 0x04 + typedef struct MXFIndexEntry { uint64_t offset; unsigned slice_offset; ///< offset of audio slice @@ -258,6 +259,7 @@ typedef struct MXFContext { int store_user_comments; int track_instance_count; // used to generate MXFTrack uuids int cbr_index; ///< use a constant bitrate index + int mode; } MXFContext; static const uint8_t uuid_base[] = { 0xAD,0xAB,0x44,0x24,0x2f,0x25,0x4d,0xc7,0x92,0xff,0x29,0xbd }; @@ -630,7 +632,7 @@ static void mxf_write_preface(AVFormatContext *s) // operational pattern mxf_write_local_tag(pb, 16, 0x3B09); - if (s->oformat == &ff_mxf_opatom_muxer) + if (mxf->mode == MODE_OPA) avio_write(pb, opatom_ul, 16); else avio_write(pb, op1a_ul, 16); @@ -723,7 +725,7 @@ static void mxf_write_identification(AVFormatContext *s) MXFContext *mxf = s->priv_data; AVIOContext *pb = s->pb; const char *company = "FFmpeg"; - const char *product = s->oformat != &ff_mxf_opatom_muxer ? "OP1a Muxer" : "OPAtom Muxer"; + const char *product = mxf->mode != MODE_OPA ? "OP1a Muxer" : "OPAtom Muxer"; const char *version; int length; @@ -821,7 +823,7 @@ static void mxf_write_track(AVFormatContext *s, AVStream *st, MXFPackage *packag // write edit rate mxf_write_local_tag(pb, 8, 0x4B01); - if (st == mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer) { + if (st == mxf->timecode_track && mxf->mode == MODE_OPA) { avio_wb32(pb, mxf->tc.rate.num); avio_wb32(pb, mxf->tc.rate.den); } else { @@ -857,7 +859,7 @@ static void mxf_write_common_fields(AVFormatContext *s, AVStream *st) // write duration mxf_write_local_tag(pb, 8, 0x0202); - if (st != mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer && st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) { + if (st != mxf->timecode_track && mxf->mode == MODE_OPA && st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) { avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count); } else { avio_wb64(pb, mxf->duration); @@ -1023,7 +1025,7 @@ static int64_t mxf_write_generic_desc(AVFormatContext *s, AVStream *st, const UI avio_wb32(pb, st->index+2); mxf_write_local_tag(pb, 8, 0x3001); - if (s->oformat == &ff_mxf_d10_muxer) { + if (mxf->mode == MODE_D10) { avio_wb32(pb, mxf->time_base.den); avio_wb32(pb, mxf->time_base.num); } else { @@ -1064,6 +1066,7 @@ static inline uint32_t rescale_mastering_luma(AVRational q) static int64_t mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID key) { + MXFContext *mxf = s->priv_data; MXFStreamContext *sc = st->priv_data; AVIOContext *pb = s->pb; int stored_width = 0; @@ -1095,7 +1098,7 @@ static int64_t mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID mxf_write_local_tag(pb, 4, 0x3202); avio_wb32(pb, stored_height>>sc->interlaced); - if (s->oformat == &ff_mxf_d10_muxer) { + if (mxf->mode == MODE_D10) { //Stored F2 Offset mxf_write_local_tag(pb, 4, 0x3216); avio_wb32(pb, 0); @@ -1392,7 +1395,7 @@ static int64_t mxf_write_generic_sound_common(AVFormatContext *s, AVStream *st, int show_warnings = !mxf->footer_partition_offset; int64_t pos = mxf_write_generic_desc(s, st, key); - if (s->oformat == &ff_mxf_opatom_muxer) { + if (mxf->mode == MODE_OPA) { mxf_write_local_tag(pb, 8, 0x3002); avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count); } @@ -1406,17 +1409,17 @@ static int64_t mxf_write_generic_sound_common(AVFormatContext *s, AVStream *st, avio_wb32(pb, st->codecpar->sample_rate); avio_wb32(pb, 1); - if (s->oformat == &ff_mxf_d10_muxer) { + if (mxf->mode == MODE_D10) { mxf_write_local_tag(pb, 1, 0x3D04); avio_w8(pb, 0); } mxf_write_local_tag(pb, 4, 0x3D07); if (mxf->channel_count == -1) { - if (show_warnings && (s->oformat == &ff_mxf_d10_muxer) && (st->codecpar->channels != 4) && (st->codecpar->channels != 8)) + if (show_warnings && (mxf->mode == MODE_D10) && (st->codecpar->channels != 4) && (st->codecpar->channels != 8)) av_log(s, AV_LOG_WARNING, "the number of audio channels shall be 4 or 8 : the output will not comply to MXF D-10 specs, use -d10_channelcount to fix this\n"); avio_wb32(pb, st->codecpar->channels); - } else if (s->oformat == &ff_mxf_d10_muxer) { + } else if (mxf->mode == MODE_D10) { if (show_warnings && (mxf->channel_count < st->codecpar->channels)) av_log(s, AV_LOG_WARNING, "d10_channelcount < actual number of audio channels : some channels will be discarded\n"); if (show_warnings && (mxf->channel_count != 4) && (mxf->channel_count != 8)) @@ -1916,7 +1919,7 @@ static int mxf_write_partition(AVFormatContext *s, int bodysid, avio_wb32(pb, index_byte_count ? indexsid : 0); // indexSID // BodyOffset - if (bodysid && mxf->edit_units_count && mxf->body_partitions_count && s->oformat != &ff_mxf_opatom_muxer) + if (bodysid && mxf->edit_units_count && mxf->body_partitions_count && mxf->mode != MODE_OPA) avio_wb64(pb, mxf->body_offset); else avio_wb64(pb, 0); @@ -1924,7 +1927,7 @@ static int mxf_write_partition(AVFormatContext *s, int bodysid, avio_wb32(pb, bodysid); // bodySID // operational pattern - if (s->oformat == &ff_mxf_opatom_muxer) + if (mxf->mode == MODE_OPA) avio_write(pb, opatom_ul, 16); else avio_write(pb, op1a_ul, 16); @@ -2343,6 +2346,7 @@ static const UID *mxf_get_mpeg2_codec_ul(AVCodecParameters *par) static int mxf_parse_mpeg2_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt, MXFIndexEntry *e) { + MXFContext *mxf = s->priv_data; MXFStreamContext *sc = st->priv_data; uint32_t c = -1; int i; @@ -2399,7 +2403,7 @@ static int mxf_parse_mpeg2_frame(AVFormatContext *s, AVStream *st, } } } - if (s->oformat != &ff_mxf_d10_muxer) + if (mxf->mode != MODE_D10) sc->codec_ul = mxf_get_mpeg2_codec_ul(st->codecpar); return !!sc->codec_ul; } @@ -2466,7 +2470,7 @@ static int mxf_write_header(AVFormatContext *s) if (!s->nb_streams) return -1; - if (s->oformat == &ff_mxf_opatom_muxer && s->nb_streams !=1) { + if (mxf->mode == MODE_OPA && s->nb_streams !=1) { av_log(s, AV_LOG_ERROR, "there must be exactly one stream for mxf opatom\n"); return -1; } @@ -2474,6 +2478,13 @@ static int mxf_write_header(AVFormatContext *s) if (!av_dict_get(s->metadata, "comment_", NULL, AV_DICT_IGNORE_SUFFIX)) mxf->store_user_comments = 0; + mxf->mode = MODE_OP1a; + if (s->oformat) { + if (!strcmp("mxf", s->oformat->name)) mxf->mode = MODE_OP1a; + else if (!strcmp("mxf_d10",s->oformat->name)) mxf->mode = MODE_D10; + else if (!strcmp("mxf_opatom", s->oformat->name)) mxf->mode = MODE_OPA; + } + for (i = 0; i < s->nb_streams; i++) { AVStream *st = s->streams[i]; MXFStreamContext *sc = av_mallocz(sizeof(*sc)); @@ -2482,7 +2493,7 @@ static int mxf_write_header(AVFormatContext *s) st->priv_data = sc; sc->index = -1; - if (((i == 0) ^ (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)) && s->oformat != &ff_mxf_opatom_muxer) { + if (((i == 0) ^ (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)) && mxf->mode != MODE_OPA) { av_log(s, AV_LOG_ERROR, "there must be exactly one video stream and it must be the first one\n"); return -1; } @@ -2526,12 +2537,12 @@ static int mxf_write_header(AVFormatContext *s) sc->video_bit_rate = st->codecpar->bit_rate; - if (s->oformat == &ff_mxf_d10_muxer || + if (mxf->mode == MODE_D10 || st->codecpar->codec_id == AV_CODEC_ID_DNXHD || st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO) mxf->cbr_index = 1; - if (s->oformat == &ff_mxf_d10_muxer) { + if (mxf->mode == MODE_D10) { int ntsc = mxf->time_base.den != 25; int ul_index; @@ -2569,7 +2580,7 @@ static int mxf_write_header(AVFormatContext *s) return -1; } avpriv_set_pts_info(st, 64, 1, st->codecpar->sample_rate); - if (s->oformat == &ff_mxf_d10_muxer) { + if (mxf->mode == MODE_D10) { if (st->index != 1) { av_log(s, AV_LOG_ERROR, "MXF D-10 only support one audio track\n"); return -1; @@ -2581,7 +2592,7 @@ static int mxf_write_header(AVFormatContext *s) sc->index = INDEX_D10_AUDIO; sc->container_ul = ((MXFStreamContext*)s->streams[0]->priv_data)->container_ul; sc->frame_size = 4 + 8 * av_rescale_rnd(st->codecpar->sample_rate, mxf->time_base.num, mxf->time_base.den, AV_ROUND_UP) * 4; - } else if (s->oformat == &ff_mxf_opatom_muxer) { + } else if (mxf->mode == MODE_OPA) { AVRational tbc = av_inv_q(mxf->audio_edit_rate); if (st->codecpar->codec_id != AV_CODEC_ID_PCM_S16LE && @@ -2647,7 +2658,7 @@ static int mxf_write_header(AVFormatContext *s) present[sc->index]++; } - if (s->oformat == &ff_mxf_d10_muxer || s->oformat == &ff_mxf_opatom_muxer) { + if (mxf->mode == MODE_D10 || mxf->mode == MODE_OPA) { mxf->essence_container_count = 1; } @@ -2818,7 +2829,7 @@ static void mxf_compute_edit_unit_byte_count(AVFormatContext *s) MXFContext *mxf = s->priv_data; int i; - if (s->oformat == &ff_mxf_opatom_muxer) { + if (mxf->mode == MODE_OPA) { MXFStreamContext *sc = s->streams[0]->priv_data; mxf->edit_unit_byte_count = sc->frame_size; return; @@ -2889,7 +2900,7 @@ static int mxf_write_packet(AVFormatContext *s, AVPacket *pkt) mxf_compute_edit_unit_byte_count(s); } - if (s->oformat == &ff_mxf_opatom_muxer) + if (mxf->mode == MODE_OPA) return mxf_write_opatom_packet(s, pkt, &ie); if (!mxf->header_written) { @@ -2937,7 +2948,7 @@ static int mxf_write_packet(AVFormatContext *s, AVPacket *pkt) mxf_write_klv_fill(s); avio_write(pb, sc->track_essence_element_key, 16); // write key - if (s->oformat == &ff_mxf_d10_muxer && + if (mxf->mode == MODE_D10 && st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) { mxf_write_d10_audio_packet(s, st, pkt); } else { @@ -2959,7 +2970,7 @@ static void mxf_write_random_index_pack(AVFormatContext *s) avio_write(pb, random_index_pack_key, 16); klv_encode_ber_length(pb, 28 + 12LL*mxf->body_partitions_count); - if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) + if (mxf->edit_unit_byte_count && mxf->mode != MODE_OPA) avio_wb32(pb, 1); // BodySID of header partition else avio_wb32(pb, 0); @@ -2983,7 +2994,7 @@ static int mxf_write_footer(AVFormatContext *s) int i, err; if (!mxf->header_written || - (s->oformat == &ff_mxf_opatom_muxer && !mxf->body_partition_offset)) { + (mxf->mode == MODE_OPA && !mxf->body_partition_offset)) { /* reason could be invalid options/not supported codec/out of memory */ return AVERROR_UNKNOWN; } @@ -2992,7 +3003,7 @@ static int mxf_write_footer(AVFormatContext *s) mxf_write_klv_fill(s); mxf->footer_partition_offset = avio_tell(pb); - if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) { // no need to repeat index + if (mxf->edit_unit_byte_count && mxf->mode != MODE_OPA) { // no need to repeat index if ((err = mxf_write_partition(s, 0, 0, footer_partition_key, 0)) < 0) return err; } else { @@ -3006,7 +3017,7 @@ static int mxf_write_footer(AVFormatContext *s) mxf_write_random_index_pack(s); if (s->pb->seekable & AVIO_SEEKABLE_NORMAL) { - if (s->oformat == &ff_mxf_opatom_muxer) { + if (mxf->mode == MODE_OPA) { /* rewrite body partition to update lengths */ avio_seek(pb, mxf->body_partition_offset[0], SEEK_SET); if ((err = mxf_write_opatom_body_partition(s)) < 0) @@ -3014,7 +3025,7 @@ static int mxf_write_footer(AVFormatContext *s) } avio_seek(pb, 0, SEEK_SET); - if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) { + if (mxf->edit_unit_byte_count && mxf->mode != MODE_OPA) { if ((err = mxf_write_partition(s, 1, 2, header_closed_partition_key, 1)) < 0) return err; mxf_write_klv_fill(s); -- 1.8.3.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".