diff options
| -rw-r--r-- | libavformat/Makefile | 2 | ||||
| -rw-r--r-- | libavformat/avc.c | 186 | ||||
| -rw-r--r-- | libavformat/avc.h | 15 | ||||
| -rw-r--r-- | libavformat/hevc.c | 36 | ||||
| -rw-r--r-- | libavformat/mxf.h | 1 | ||||
| -rw-r--r-- | libavformat/mxfenc.c | 213 |
6 files changed, 372 insertions, 81 deletions
diff --git a/libavformat/Makefile b/libavformat/Makefile index 99be60d184..df87c54a58 100644 --- a/libavformat/Makefile +++ b/libavformat/Makefile @@ -339,7 +339,7 @@ OBJS-$(CONFIG_MUSX_DEMUXER) += musx.o OBJS-$(CONFIG_MV_DEMUXER) += mvdec.o OBJS-$(CONFIG_MVI_DEMUXER) += mvi.o OBJS-$(CONFIG_MXF_DEMUXER) += mxfdec.o mxf.o -OBJS-$(CONFIG_MXF_MUXER) += mxfenc.o mxf.o audiointerleave.o +OBJS-$(CONFIG_MXF_MUXER) += mxfenc.o mxf.o audiointerleave.o avc.o OBJS-$(CONFIG_MXG_DEMUXER) += mxg.o OBJS-$(CONFIG_NC_DEMUXER) += ncdec.o OBJS-$(CONFIG_NISTSPHERE_DEMUXER) += nistspheredec.o pcm.o diff --git a/libavformat/avc.c b/libavformat/avc.c index ec50033a04..a041e84357 100644 --- a/libavformat/avc.c +++ b/libavformat/avc.c @@ -21,6 +21,7 @@ #include "libavutil/intreadwrite.h" #include "libavcodec/h264.h" +#include "libavcodec/get_bits.h" #include "avformat.h" #include "avio.h" #include "avc.h" @@ -241,3 +242,188 @@ const uint8_t *ff_avc_mp4_find_startcode(const uint8_t *start, return start + res; } + +uint8_t *ff_nal_unit_extract_rbsp(const uint8_t *src, uint32_t src_len, + uint32_t *dst_len, int header_len) +{ + uint8_t *dst; + uint32_t i, len; + + dst = av_malloc(src_len + AV_INPUT_BUFFER_PADDING_SIZE); + if (!dst) + return NULL; + + /* NAL unit header */ + i = len = 0; + while (i < header_len && i < src_len) + dst[len++] = src[i++]; + + while (i + 2 < src_len) + if (!src[i] && !src[i + 1] && src[i + 2] == 3) { + dst[len++] = src[i++]; + dst[len++] = src[i++]; + i++; // remove emulation_prevention_three_byte + } else + dst[len++] = src[i++]; + + while (i < src_len) + dst[len++] = src[i++]; + + memset(dst + len, 0, AV_INPUT_BUFFER_PADDING_SIZE); + + *dst_len = len; + return dst; +} + +static const AVRational avc_sample_aspect_ratio[17] = { + { 0, 1 }, + { 1, 1 }, + { 12, 11 }, + { 10, 11 }, + { 16, 11 }, + { 40, 33 }, + { 24, 11 }, + { 20, 11 }, + { 32, 11 }, + { 80, 33 }, + { 18, 11 }, + { 15, 11 }, + { 64, 33 }, + { 160, 99 }, + { 4, 3 }, + { 3, 2 }, + { 2, 1 }, +}; + +static inline int get_ue_golomb(GetBitContext *gb) { + int i; + for (i = 0; i < 32 && !get_bits1(gb); i++) + ; + return get_bitsz(gb, i) + (1 << i) - 1; +} + +static inline int get_se_golomb(GetBitContext *gb) { + int v = get_ue_golomb(gb) + 1; + int sign = -(v & 1); + return ((v >> 1) ^ sign) - sign; +} + +H264SequenceParameterSet *ff_avc_decode_sps(const uint8_t *buf, int buf_size) +{ + int i, j, ret, rbsp_size, aspect_ratio_idc, pic_order_cnt_type; + int num_ref_frames_in_pic_order_cnt_cycle; + int delta_scale, lastScale = 8, nextScale = 8; + int sizeOfScalingList; + H264SequenceParameterSet *sps = NULL; + GetBitContext gb; + uint8_t *rbsp_buf; + + rbsp_buf = ff_nal_unit_extract_rbsp(buf, buf_size, &rbsp_size, 0); + if (!rbsp_buf) + return NULL; + + ret = init_get_bits8(&gb, rbsp_buf, rbsp_size); + if (ret < 0) + goto end; + + sps = av_mallocz(sizeof(*sps)); + if (!sps) + goto end; + + sps->profile_idc = get_bits(&gb, 8); + sps->constraint_set_flags |= get_bits1(&gb) << 0; // constraint_set0_flag + sps->constraint_set_flags |= get_bits1(&gb) << 1; // constraint_set1_flag + sps->constraint_set_flags |= get_bits1(&gb) << 2; // constraint_set2_flag + sps->constraint_set_flags |= get_bits1(&gb) << 3; // constraint_set3_flag + sps->constraint_set_flags |= get_bits1(&gb) << 4; // constraint_set4_flag + sps->constraint_set_flags |= get_bits1(&gb) << 5; // constraint_set5_flag + skip_bits(&gb, 2); // reserved_zero_2bits + sps->level_idc = get_bits(&gb, 8); + sps->id = get_ue_golomb(&gb); + + if (sps->profile_idc == 100 || sps->profile_idc == 110 || + sps->profile_idc == 122 || sps->profile_idc == 244 || sps->profile_idc == 44 || + sps->profile_idc == 83 || sps->profile_idc == 86 || sps->profile_idc == 118 || + sps->profile_idc == 128 || sps->profile_idc == 138 || sps->profile_idc == 139 || + sps->profile_idc == 134) { + sps->chroma_format_idc = get_ue_golomb(&gb); // chroma_format_idc + if (sps->chroma_format_idc == 3) { + skip_bits1(&gb); // separate_colour_plane_flag + } + sps->bit_depth_luma = get_ue_golomb(&gb) + 8; + get_ue_golomb(&gb); // bit_depth_chroma_minus8 + skip_bits1(&gb); // qpprime_y_zero_transform_bypass_flag + if (get_bits1(&gb)) { // seq_scaling_matrix_present_flag + for (i = 0; i < ((sps->chroma_format_idc != 3) ? 8 : 12); i++) { + if (!get_bits1(&gb)) // seq_scaling_list_present_flag + continue; + lastScale = 8; + nextScale = 8; + sizeOfScalingList = i < 6 ? 16 : 64; + for (j = 0; j < sizeOfScalingList; j++) { + if (nextScale != 0) { + delta_scale = get_se_golomb(&gb); + nextScale = (lastScale + delta_scale) & 0xff; + } + lastScale = nextScale == 0 ? lastScale : nextScale; + } + } + } + } else { + sps->chroma_format_idc = 1; + sps->bit_depth_luma = 8; + } + + get_ue_golomb(&gb); // log2_max_frame_num_minus4 + pic_order_cnt_type = get_ue_golomb(&gb); + + if (pic_order_cnt_type == 0) { + get_ue_golomb(&gb); // log2_max_pic_order_cnt_lsb_minus4 + } else if (pic_order_cnt_type == 1) { + skip_bits1(&gb); // delta_pic_order_always_zero + get_se_golomb(&gb); // offset_for_non_ref_pic + get_se_golomb(&gb); // offset_for_top_to_bottom_field + num_ref_frames_in_pic_order_cnt_cycle = get_ue_golomb(&gb); + for (i = 0; i < num_ref_frames_in_pic_order_cnt_cycle; i++) + get_se_golomb(&gb); // offset_for_ref_frame + } + + get_ue_golomb(&gb); // max_num_ref_frames + skip_bits1(&gb); // gaps_in_frame_num_value_allowed_flag + get_ue_golomb(&gb); // pic_width_in_mbs_minus1 + get_ue_golomb(&gb); // pic_height_in_map_units_minus1 + + sps->frame_mbs_only_flag = get_bits1(&gb); + if (!sps->frame_mbs_only_flag) + skip_bits1(&gb); // mb_adaptive_frame_field_flag + + skip_bits1(&gb); // direct_8x8_inference_flag + + if (get_bits1(&gb)) { // frame_cropping_flag + get_ue_golomb(&gb); // frame_crop_left_offset + get_ue_golomb(&gb); // frame_crop_right_offset + get_ue_golomb(&gb); // frame_crop_top_offset + get_ue_golomb(&gb); // frame_crop_bottom_offset + } + + if (get_bits1(&gb)) { // vui_parameters_present_flag + if (get_bits1(&gb)) { // aspect_ratio_info_present_flag + aspect_ratio_idc = get_bits(&gb, 8); + if (aspect_ratio_idc == 0xff) { + sps->sar.num = get_bits(&gb, 16); + sps->sar.den = get_bits(&gb, 16); + } else if (aspect_ratio_idc < FF_ARRAY_ELEMS(avc_sample_aspect_ratio)) { + sps->sar = avc_sample_aspect_ratio[aspect_ratio_idc]; + } + } + } + + if (!sps->sar.den) { + sps->sar.num = 1; + sps->sar.den = 1; + } + + end: + av_free(rbsp_buf); + return sps; +} diff --git a/libavformat/avc.h b/libavformat/avc.h index c5e80ff650..a79bf9b2db 100644 --- a/libavformat/avc.h +++ b/libavformat/avc.h @@ -33,5 +33,20 @@ int ff_avc_write_annexb_extradata(const uint8_t *in, uint8_t **buf, int *size); const uint8_t *ff_avc_mp4_find_startcode(const uint8_t *start, const uint8_t *end, int nal_length_size); +uint8_t *ff_nal_unit_extract_rbsp(const uint8_t *src, uint32_t src_len, + uint32_t *dst_len, int header_len); + +typedef struct { + uint8_t id; + uint8_t profile_idc; + uint8_t level_idc; + uint8_t constraint_set_flags; + uint8_t chroma_format_idc; + uint8_t bit_depth_luma; + uint8_t frame_mbs_only_flag; + AVRational sar; +} H264SequenceParameterSet; + +H264SequenceParameterSet *ff_avc_decode_sps(const uint8_t *src, int src_len); #endif /* AVFORMAT_AVC_H */ diff --git a/libavformat/hevc.c b/libavformat/hevc.c index 3628d5a028..c7c4be3441 100644 --- a/libavformat/hevc.c +++ b/libavformat/hevc.c @@ -643,40 +643,6 @@ static int hvcc_parse_pps(GetBitContext *gb, return 0; } -static uint8_t *nal_unit_extract_rbsp(const uint8_t *src, uint32_t src_len, - uint32_t *dst_len) -{ - uint8_t *dst; - uint32_t i, len; - - dst = av_malloc(src_len + AV_INPUT_BUFFER_PADDING_SIZE); - if (!dst) - return NULL; - - /* NAL unit header (2 bytes) */ - i = len = 0; - while (i < 2 && i < src_len) - dst[len++] = src[i++]; - - while (i + 2 < src_len) - if (!src[i] && !src[i + 1] && src[i + 2] == 3) { - dst[len++] = src[i++]; - dst[len++] = src[i++]; - i++; // remove emulation_prevention_three_byte - } else - dst[len++] = src[i++]; - - while (i < src_len) - dst[len++] = src[i++]; - - memset(dst + len, 0, AV_INPUT_BUFFER_PADDING_SIZE); - - *dst_len = len; - return dst; -} - - - static void nal_unit_parse_header(GetBitContext *gb, uint8_t *nal_type) { skip_bits1(gb); // forbidden_zero_bit @@ -753,7 +719,7 @@ static int hvcc_add_nal_unit(uint8_t *nal_buf, uint32_t nal_size, uint8_t *rbsp_buf; uint32_t rbsp_size; - rbsp_buf = nal_unit_extract_rbsp(nal_buf, nal_size, &rbsp_size); + rbsp_buf = ff_nal_unit_extract_rbsp(nal_buf, nal_size, &rbsp_size, 2); if (!rbsp_buf) { ret = AVERROR(ENOMEM); goto end; diff --git a/libavformat/mxf.h b/libavformat/mxf.h index 4394450dea..f32124f772 100644 --- a/libavformat/mxf.h +++ b/libavformat/mxf.h @@ -48,6 +48,7 @@ enum MXFMetadataSetType { EssenceGroup, TaggedValue, TapeDescriptor, + AVCSubDescriptor, }; enum MXFFrameLayout { diff --git a/libavformat/mxfenc.c b/libavformat/mxfenc.c index 8c6db94865..b677f6af8e 100644 --- a/libavformat/mxfenc.c +++ b/libavformat/mxfenc.c @@ -49,12 +49,14 @@ #include "libavcodec/bytestream.h" #include "libavcodec/dnxhddata.h" #include "libavcodec/dv_profile.h" -#include "libavcodec/h264.h" +#include "libavcodec/h264_ps.h" +#include "libavcodec/golomb.h" #include "libavcodec/internal.h" #include "audiointerleave.h" #include "avformat.h" #include "avio_internal.h" #include "internal.h" +#include "avc.h" #include "mxf.h" #include "config.h" @@ -99,6 +101,7 @@ typedef struct MXFStreamContext { int max_gop; ///< maximum gop size, used by mpeg-2 descriptor int b_picture_count; ///< maximum number of consecutive b pictures, used in mpeg-2 descriptor int low_delay; ///< low delay, used in mpeg-2 descriptor + int avc_intra; } MXFStreamContext; typedef struct MXFContainerEssenceEntry { @@ -167,6 +170,7 @@ static const struct { static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st); static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st); static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st); +static void mxf_write_h264_desc(AVFormatContext *s, AVStream *st); static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st); static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st); static void mxf_write_s436m_anc_desc(AVFormatContext *s, AVStream *st); @@ -310,7 +314,7 @@ static const MXFContainerEssenceEntry mxf_essence_container_uls[] = { { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x0D,0x01,0x03,0x01,0x02,0x10,0x60,0x01 }, { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 }, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 }, - mxf_write_mpegvideo_desc }, + mxf_write_h264_desc }, // S436M ANC { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x0D,0x01,0x03,0x01,0x02,0x0e,0x00,0x00 }, { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x17,0x01,0x02,0x00 }, @@ -503,6 +507,13 @@ static const MXFLocalTagPair mxf_local_tag_batch[] = { { 0x3D0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Block Align */ }; +static const MXFLocalTagPair mxf_avc_subdescriptor_local_tags[] = { + { 0x8100, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x09,0x06,0x01,0x01,0x04,0x06,0x10,0x00,0x00}}, /* SubDescriptors */ + { 0x8200, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x0E,0x04,0x01,0x06,0x06,0x01,0x0E,0x00,0x00}}, /* AVC Decoding Delay */ + { 0x8201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x0E,0x04,0x01,0x06,0x06,0x01,0x0A,0x00,0x00}}, /* AVC Profile */ + { 0x8202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x0E,0x04,0x01,0x06,0x06,0x01,0x0D,0x00,0x00}}, /* AVC Level */ +}; + static const MXFLocalTagPair mxf_user_comments_local_tag[] = { { 0x4406, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0C,0x00,0x00,0x00}}, /* User Comments */ { 0x5001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x09,0x01,0x00,0x00}}, /* Name */ @@ -584,15 +595,33 @@ static int mxf_get_essence_container_ul_index(enum AVCodecID id) return -1; } +static void mxf_write_local_tags(AVIOContext *pb, const MXFLocalTagPair *local_tags, int count) +{ + int i; + for (i = 0; i < count; i++) { + avio_wb16(pb, local_tags[i].local_tag); + avio_write(pb, local_tags[i].uid, 16); + } +} + static void mxf_write_primer_pack(AVFormatContext *s) { MXFContext *mxf = s->priv_data; AVIOContext *pb = s->pb; int local_tag_number, i = 0; + int avc_tags_count = 0; local_tag_number = FF_ARRAY_ELEMS(mxf_local_tag_batch); local_tag_number += mxf->store_user_comments * FF_ARRAY_ELEMS(mxf_user_comments_local_tag); + for (i = 0; i < s->nb_streams; i++) { + MXFStreamContext *sc = s->streams[i]->priv_data; + if (s->streams[i]->codecpar->codec_id == AV_CODEC_ID_H264 && !sc->avc_intra) { + avc_tags_count = FF_ARRAY_ELEMS(mxf_avc_subdescriptor_local_tags); + local_tag_number += avc_tags_count; + } + } + avio_write(pb, primer_pack_key, 16); klv_encode_ber_length(pb, local_tag_number * 18 + 8); @@ -608,6 +637,8 @@ static void mxf_write_primer_pack(AVFormatContext *s) avio_wb16(pb, mxf_user_comments_local_tag[i].local_tag); avio_write(pb, mxf_user_comments_local_tag[i].uid, 16); } + if (avc_tags_count > 0) + mxf_write_local_tags(pb, mxf_avc_subdescriptor_local_tags, avc_tags_count); } static void mxf_write_local_tag(AVIOContext *pb, int size, int tag) @@ -1126,6 +1157,8 @@ static const UID mxf_aes3_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53, static const UID mxf_cdci_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x28,0x00 }; static const UID mxf_generic_sound_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x42,0x00 }; +static const UID mxf_avc_subdescriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x6E,0x00 }; + static int get_trc(UID ul, enum AVColorTransferCharacteristic trc) { switch (trc){ @@ -1317,6 +1350,13 @@ static int64_t mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID avio_w8(pb, sc->field_dominance); } + if (st->codecpar->codec_id == AV_CODEC_ID_H264 && !sc->avc_intra) { + // write avc sub descriptor ref + mxf_write_local_tag(pb, 8 + 16, 0x8100); + mxf_write_refs_count(pb, 1); + mxf_write_uuid(pb, AVCSubDescriptor, 0); + } + return pos; } @@ -1329,10 +1369,50 @@ static void mxf_update_klv_size(AVIOContext *pb, int64_t pos) avio_seek(pb, cur_pos, SEEK_SET); } +static void mxf_write_avc_subdesc(AVFormatContext *s, AVStream *st) +{ + AVIOContext *pb = s->pb; + int64_t pos; + + avio_write(pb, mxf_avc_subdescriptor_key, 16); + klv_encode_ber4_length(pb, 0); + pos = avio_tell(pb); + + mxf_write_local_tag(pb, 16, 0x3C0A); + mxf_write_uuid(pb, AVCSubDescriptor, 0); + + mxf_write_local_tag(pb, 1, 0x8200); + avio_w8(pb, 0xFF); // AVC Decoding Delay, unknown + + mxf_write_local_tag(pb, 1, 0x8201); + avio_w8(pb, st->codecpar->profile); // AVC Profile + + mxf_write_local_tag(pb, 1, 0x8202); + avio_w8(pb, st->codecpar->level); // AVC Level + + mxf_update_klv_size(s->pb, pos); +} + static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st) { int64_t pos = mxf_write_cdci_common(s, st, mxf_cdci_descriptor_key); mxf_update_klv_size(s->pb, pos); + + if (st->codecpar->codec_id == AV_CODEC_ID_H264) { + mxf_write_avc_subdesc(s, st); + } +} + +static void mxf_write_h264_desc(AVFormatContext *s, AVStream *st) +{ + MXFStreamContext *sc = st->priv_data; + if (sc->avc_intra) { + mxf_write_mpegvideo_desc(s, st); + } else { + int64_t pos = mxf_write_cdci_common(s, st, mxf_cdci_descriptor_key); + mxf_update_klv_size(s->pb, pos); + mxf_write_avc_subdesc(s, st); + } } static void mxf_write_s436m_anc_desc(AVFormatContext *s, AVStream *st) @@ -2136,30 +2216,30 @@ static const struct { int frame_size; int profile; uint8_t interlaced; - int long_gop; // 1 or 0 when there are separate UIDs for Long GOP and Intra, -1 when Intra/LGOP detection can be ignored + int intra_only; // 1 or 0 when there are separate UIDs for Long GOP and Intra, -1 when Intra/LGOP detection can be ignored } mxf_h264_codec_uls[] = { - {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x11,0x01 }, 0, 66, 0, -1 }, // AVC Baseline, Unconstrained Coding + {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x11,0x01 }, 0, 66, 0, -1 }, // AVC Baseline {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x20,0x01 }, 0, 77, 0, -1 }, // AVC Main {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x30,0x01 }, 0, 88, 0, -1 }, // AVC Extended {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x40,0x01 }, 0, 100, 0, -1 }, // AVC High - {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x50,0x01 }, 0, 110, 0, 1 }, // AVC High 10 - {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x60,0x01 }, 0, 122, 0, 1 }, // AVC High 422 - {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x70,0x01 }, 0, 244, 0, 1 }, // AVC High 444 - {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x20,0x01 }, 0, 110, 0, 0 }, // AVC High 10 Intra - {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x01 }, 232960, 0, 1, 0 }, // AVC Intra 50 1080i60 - {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x02 }, 281088, 0, 1, 0 }, // AVC Intra 50 1080i50 - {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x03 }, 232960, 0, 0, 0 }, // AVC Intra 50 1080p30 - {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x04 }, 281088, 0, 0, 0 }, // AVC Intra 50 1080p25 - {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x08 }, 116736, 0, 0, 0 }, // AVC Intra 50 720p60 - {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x09 }, 140800, 0, 0, 0 }, // AVC Intra 50 720p50 - {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x30,0x01 }, 0, 122, 0, 0 }, // AVC High 422 Intra - {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x01 }, 472576, 0, 1, 0 }, // AVC Intra 100 1080i60 - {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x02 }, 568832, 0, 1, 0 }, // AVC Intra 100 1080i50 - {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x03 }, 472576, 0, 0, 0 }, // AVC Intra 100 1080p30 - {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x04 }, 568832, 0, 0, 0 }, // AVC Intra 100 1080p25 - {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x08 }, 236544, 0, 0, 0 }, // AVC Intra 100 720p60 - {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x09 }, 284672, 0, 0, 0 }, // AVC Intra 100 720p50 - {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x01,0x32,0x40,0x01 }, 0, 244, 0, 0 }, // AVC High 444 Intra + {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x50,0x01 }, 0, 110, 0, 0 }, // AVC High 10 + {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x60,0x01 }, 0, 122, 0, 0 }, // AVC High 422 + {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x70,0x01 }, 0, 244, 0, 0 }, // AVC High 444 + {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x20,0x01 }, 0, 110, 0, 1 }, // AVC High 10 Intra + {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x01 }, 232960, 110, 1, 1 }, // AVC High 10 Intra RP2027 Class 50 1080/59.94i + {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x02 }, 281088, 110, 1, 1 }, // AVC High 10 Intra RP2027 Class 50 1080/50i + {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x03 }, 232960, 110, 0, 1 }, // AVC High 10 Intra RP2027 Class 50 1080/29.97p + {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x04 }, 281088, 110, 0, 1 }, // AVC High 10 Intra RP2027 Class 50 1080/25p + {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x08 }, 116736, 110, 0, 1 }, // AVC High 10 Intra RP2027 Class 50 720/59.94p + {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x09 }, 140800, 110, 0, 1 }, // AVC High 10 Intra RP2027 Class 50 720/50p + {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x30,0x01 }, 0, 122, 0, 1 }, // AVC High 422 Intra + {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x01 }, 472576, 122, 1, 1 }, // AVC High 422 Intra RP2027 Class 100 1080/59.94i + {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x02 }, 568832, 122, 1, 1 }, // AVC High 422 Intra RP2027 Class 100 1080/50i + {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x03 }, 472576, 122, 0, 1 }, // AVC High 422 Intra RP2027 Class 100 1080/29.97p + {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x04 }, 568832, 122, 0, 1 }, // AVC High 422 Intra RP2027 Class 100 1080/25p + {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x08 }, 236544, 122, 0, 1 }, // AVC High 422 Intra RP2027 Class 100 720/59.94p + {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x09 }, 284672, 122, 0, 1 }, // AVC High 422 Intra RP2027 Class 100 720/50p + {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x01,0x32,0x40,0x01 }, 0, 244, 0, 1 }, // AVC High 444 Intra {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x01,0x32,0x50,0x01 }, 0, 44, 0, -1 }, // AVC CAVLC 444 }; @@ -2168,37 +2248,70 @@ static int mxf_parse_h264_frame(AVFormatContext *s, AVStream *st, { MXFContext *mxf = s->priv_data; MXFStreamContext *sc = st->priv_data; - AVCodecParameters *par = st->codecpar; - static const int mxf_h264_num_codec_uls = sizeof(mxf_h264_codec_uls) / sizeof(mxf_h264_codec_uls[0]); + H264SequenceParameterSet *sps = NULL; + GetBitContext gb; const uint8_t *buf = pkt->data; const uint8_t *buf_end = pkt->data + pkt->size; + const uint8_t *nal_end; uint32_t state = -1; - int long_gop = 0; // assume intra when there is no SPS header int extra_size = 512; // support AVC Intra files without SPS/PPS header - int i, frame_size; - uint8_t uid_found; - - if (pkt->size > extra_size) - buf_end -= pkt->size - extra_size; // no need to parse beyond SPS/PPS header + int i, frame_size, slice_type, intra_only = 0; for (;;) { buf = avpriv_find_start_code(buf, buf_end, &state); if (buf >= buf_end) break; - --buf; + switch (state & 0x1f) { case H264_NAL_SPS: - par->profile = buf[1]; - long_gop = buf[2] & 0x10 ? 0 : 1; // constraint_set3_flag signals intra e->flags |= 0x40; + + if (mxf->header_written) + break; + + nal_end = ff_avc_find_startcode(buf, buf_end); + sps = ff_avc_decode_sps(buf, nal_end - buf); + if (!sps) { + av_log(s, AV_LOG_ERROR, "error parsing sps\n"); + return 0; + } + + sc->aspect_ratio.num = st->codecpar->width * sps->sar.num; + sc->aspect_ratio.den = st->codecpar->height * sps->sar.den; + av_reduce(&sc->aspect_ratio.num, &sc->aspect_ratio.den, + sc->aspect_ratio.num, sc->aspect_ratio.den, 1024*1024); + intra_only = (sps->constraint_set_flags >> 3) & 1; + sc->interlaced = !sps->frame_mbs_only_flag; + sc->component_depth = sps->bit_depth_luma; + + buf = nal_end; break; case H264_NAL_PPS: if (e->flags & 0x40) { // sequence header present e->flags |= 0x80; // random access extra_size = 0; - buf = buf_end; } break; + case H264_NAL_IDR_SLICE: + e->flags |= 0x04; // IDR Picture + buf = buf_end; + break; + case H264_NAL_SLICE: + init_get_bits8(&gb, buf, buf_end - buf); + get_ue_golomb_long(&gb); // skip first_mb_in_slice + slice_type = get_ue_golomb_31(&gb); + switch (slice_type % 5) { + case 0: + e->flags |= 0x20; // P Picture + e->flags |= 0x06; // P Picture + break; + case 1: + e->flags |= 0x30; // B Picture + e->flags |= 0x03; // non-referenced B Picture + break; + } + buf = buf_end; + break; default: break; } @@ -2207,27 +2320,37 @@ static int mxf_parse_h264_frame(AVFormatContext *s, AVStream *st, if (mxf->header_written) return 1; - sc->aspect_ratio = (AVRational){ 16, 9 }; // 16:9 is mandatory for broadcast HD - sc->interlaced = par->field_order != AV_FIELD_PROGRESSIVE ? 1 : 0; - - uid_found = 0; + if (!sps) + sc->interlaced = st->codecpar->field_order != AV_FIELD_PROGRESSIVE ? 1 : 0; + sc->codec_ul = NULL; frame_size = pkt->size + extra_size; - for (i = 0; i < mxf_h264_num_codec_uls; i++) { + + for (i = 0; i < FF_ARRAY_ELEMS(mxf_h264_codec_uls); i++) { if (frame_size == mxf_h264_codec_uls[i].frame_size && sc->interlaced == mxf_h264_codec_uls[i].interlaced) { sc->codec_ul = &mxf_h264_codec_uls[i].uid; sc->component_depth = 10; // AVC Intra is always 10 Bit + sc->aspect_ratio = (AVRational){ 16, 9 }; // 16:9 is mandatory for broadcast HD + st->codecpar->profile = mxf_h264_codec_uls[i].profile; + sc->avc_intra = 1; + mxf->cbr_index = 1; + sc->frame_size = pkt->size; if (sc->interlaced) sc->field_dominance = 1; // top field first is mandatory for AVC Intra - return 1; - } else if ((mxf_h264_codec_uls[i].profile == par->profile) && - ((mxf_h264_codec_uls[i].long_gop < 0) || - (mxf_h264_codec_uls[i].long_gop == long_gop))) { + break; + } else if (sps && mxf_h264_codec_uls[i].frame_size == 0 && + mxf_h264_codec_uls[i].profile == sps->profile_idc && + (mxf_h264_codec_uls[i].intra_only < 0 || + mxf_h264_codec_uls[i].intra_only == intra_only)) { sc->codec_ul = &mxf_h264_codec_uls[i].uid; - uid_found = 1; + st->codecpar->profile = sps->profile_idc; + st->codecpar->level = sps->level_idc; + // continue to check for avc intra } } - if (!uid_found) { + av_free(sps); + + if (!sc->codec_ul) { av_log(s, AV_LOG_ERROR, "h264 profile not supported\n"); return 0; } |