diff options
Diffstat (limited to 'libavformat/nutenc.c')
| -rw-r--r-- | libavformat/nutenc.c | 482 |
1 files changed, 357 insertions, 125 deletions
diff --git a/libavformat/nutenc.c b/libavformat/nutenc.c index b68e00ebbc..5db380f752 100644 --- a/libavformat/nutenc.c +++ b/libavformat/nutenc.c @@ -2,20 +2,20 @@ * nut muxer * Copyright (c) 2004-2007 Michael Niedermayer * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * - * Libav is distributed in the hope that it will be useful, + * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -25,8 +25,10 @@ #include "libavutil/mathematics.h" #include "libavutil/tree.h" #include "libavutil/dict.h" +#include "libavutil/avassert.h" #include "libavutil/time.h" #include "libavutil/opt.h" +#include "libavcodec/bytestream.h" #include "libavcodec/mpegaudiodata.h" #include "nut.h" #include "internal.h" @@ -64,12 +66,9 @@ static int find_expected_header(AVCodecContext *c, int size, int key_frame, lsf = sample_rate < (24000 + 32000) / 2; mpeg25 = sample_rate < (12000 + 16000) / 2; sample_rate <<= lsf + mpeg25; - if (sample_rate < (32000 + 44100) / 2) - sample_rate_index = 2; - else if (sample_rate < (44100 + 48000) / 2) - sample_rate_index = 0; - else - sample_rate_index = 1; + if (sample_rate < (32000 + 44100) / 2) sample_rate_index = 2; + else if (sample_rate < (44100 + 48000) / 2) sample_rate_index = 0; + else sample_rate_index = 1; sample_rate = avpriv_mpa_freq_tab[sample_rate_index] >> (lsf + mpeg25); @@ -103,8 +102,7 @@ static int find_expected_header(AVCodecContext *c, int size, int key_frame, return 0; } -static int find_header_idx(AVFormatContext *s, AVCodecContext *c, int size, - int frame_type) +static int find_header_idx(AVFormatContext *s, AVCodecContext *c, int size, int frame_type) { NUTContext *nut = s->priv_data; uint8_t out[64]; @@ -173,6 +171,19 @@ static void build_frame_code(AVFormatContext *s) int is_audio = codec->codec_type == AVMEDIA_TYPE_AUDIO; int intra_only = /*codec->intra_only || */ is_audio; int pred_count; + int frame_size = 0; + + if (codec->codec_type == AVMEDIA_TYPE_AUDIO) { + frame_size = av_get_audio_frame_duration(codec, 0); + if (codec->codec_id == AV_CODEC_ID_VORBIS && !frame_size) + frame_size = 64; + } else { + AVRational f = av_div_q(codec->time_base, *nut->stream[stream_id].time_base); + if (f.den == 1 && f.num>0) + frame_size = f.num; + } + if (!frame_size) + frame_size = 1; for (key_frame = 0; key_frame < 2; key_frame++) { if (!intra_only || !keyframe_0_esc || key_frame != 0) { @@ -188,29 +199,32 @@ static void build_frame_code(AVFormatContext *s) } key_frame = intra_only; +#if 1 if (is_audio) { int frame_bytes = codec->frame_size * (int64_t)codec->bit_rate / (8 * codec->sample_rate); int pts; - for (pts = 0; pts < 2; pts++) + for (pts = 0; pts < 2; pts++) { for (pred = 0; pred < 2; pred++) { - FrameCode *ft = &nut->frame_code[start2]; + FrameCode *ft = &nut->frame_code[start2]; ft->flags = FLAG_KEY * key_frame; ft->stream_id = stream_id; ft->size_mul = frame_bytes + 2; ft->size_lsb = frame_bytes + pred; - ft->pts_delta = pts; + ft->pts_delta = pts * frame_size; ft->header_idx = find_header_idx(s, codec, frame_bytes + pred, key_frame); start2++; } + } } else { FrameCode *ft = &nut->frame_code[start2]; ft->flags = FLAG_KEY | FLAG_SIZE_MSB; ft->stream_id = stream_id; ft->size_mul = 1; - ft->pts_delta = 1; + ft->pts_delta = frame_size; start2++; } +#endif if (codec->has_b_frames) { pred_count = 5; @@ -233,6 +247,8 @@ static void build_frame_code(AVFormatContext *s) int start3 = start2 + (end2 - start2) * pred / pred_count; int end3 = start2 + (end2 - start2) * (pred + 1) / pred_count; + pred_table[pred] *= frame_size; + for (index = start3; index < end3; index++) { FrameCode *ft = &nut->frame_code[index]; ft->flags = FLAG_KEY * key_frame; @@ -247,15 +263,13 @@ static void build_frame_code(AVFormatContext *s) } } } - memmove(&nut->frame_code['N' + 1], &nut->frame_code['N'], - sizeof(FrameCode) * (255 - 'N')); + memmove(&nut->frame_code['N' + 1], &nut->frame_code['N'], sizeof(FrameCode) * (255 - 'N')); nut->frame_code[0].flags = nut->frame_code[255].flags = nut->frame_code['N'].flags = FLAG_INVALID; } -static void put_tt(NUTContext *nut, AVRational *time_base, AVIOContext *bc, - uint64_t val) +static void put_tt(NUTContext *nut, AVRational *time_base, AVIOContext *bc, uint64_t val) { val *= nut->time_base_count; val += time_base - nut->time_base; @@ -286,8 +300,7 @@ static inline void ff_put_v_trace(AVIOContext *bc, uint64_t v, const char *file, ff_put_v(bc, v); } -static inline void put_s_trace(AVIOContext *bc, int64_t v, const char *file, - const char *func, int line) +static inline void put_s_trace(AVIOContext *bc, int64_t v, const char *file, const char *func, int line) { av_log(NULL, AV_LOG_DEBUG, "put_s %5"PRId64" / %"PRIX64" in %s %s:%d\n", v, v, file, func, line); @@ -328,6 +341,8 @@ static void write_mainheader(NUTContext *nut, AVIOContext *bc) int64_t tmp_match; ff_put_v(bc, nut->version); + if (nut->version > 3) + ff_put_v(bc, nut->minor_version = 1); ff_put_v(bc, nut->avf->nb_streams); ff_put_v(bc, nut->max_distance); ff_put_v(bc, nut->time_base_count); @@ -346,17 +361,12 @@ static void write_mainheader(NUTContext *nut, AVIOContext *bc) tmp_fields = 0; tmp_size = 0; // tmp_res=0; - if (tmp_pts != nut->frame_code[i].pts_delta) - tmp_fields = 1; - if (tmp_mul != nut->frame_code[i].size_mul) - tmp_fields = 2; - if (tmp_stream != nut->frame_code[i].stream_id) - tmp_fields = 3; - if (tmp_size != nut->frame_code[i].size_lsb) - tmp_fields = 4; -// if(tmp_res != nut->frame_code[i].res ) tmp_fields=5; - if (tmp_head_idx != nut->frame_code[i].header_idx) - tmp_fields = 8; + if (tmp_pts != nut->frame_code[i].pts_delta ) tmp_fields = 1; + if (tmp_mul != nut->frame_code[i].size_mul ) tmp_fields = 2; + if (tmp_stream != nut->frame_code[i].stream_id ) tmp_fields = 3; + if (tmp_size != nut->frame_code[i].size_lsb ) tmp_fields = 4; +// if (tmp_res != nut->frame_code[i].res ) tmp_fields=5; + if (tmp_head_idx != nut->frame_code[i].header_idx) tmp_fields = 8; tmp_pts = nut->frame_code[i].pts_delta; tmp_flags = nut->frame_code[i].flags; @@ -385,22 +395,14 @@ static void write_mainheader(NUTContext *nut, AVIOContext *bc) ff_put_v(bc, tmp_flags); ff_put_v(bc, tmp_fields); - if (tmp_fields > 0) - put_s(bc, tmp_pts); - if (tmp_fields > 1) - ff_put_v(bc, tmp_mul); - if (tmp_fields > 2) - ff_put_v(bc, tmp_stream); - if (tmp_fields > 3) - ff_put_v(bc, tmp_size); - if (tmp_fields > 4) - ff_put_v(bc, 0 /*tmp_res*/); - if (tmp_fields > 5) - ff_put_v(bc, j); - if (tmp_fields > 6) - ff_put_v(bc, tmp_match); - if (tmp_fields > 7) - ff_put_v(bc, tmp_head_idx); + if (tmp_fields > 0) put_s(bc, tmp_pts); + if (tmp_fields > 1) ff_put_v(bc, tmp_mul); + if (tmp_fields > 2) ff_put_v(bc, tmp_stream); + if (tmp_fields > 3) ff_put_v(bc, tmp_size); + if (tmp_fields > 4) ff_put_v(bc, 0 /*tmp_res*/); + if (tmp_fields > 5) ff_put_v(bc, j); + if (tmp_fields > 6) ff_put_v(bc, tmp_match); + if (tmp_fields > 7) ff_put_v(bc, tmp_head_idx); } ff_put_v(bc, nut->header_count - 1); for (i = 1; i < nut->header_count; i++) { @@ -408,7 +410,7 @@ static void write_mainheader(NUTContext *nut, AVIOContext *bc) avio_write(bc, nut->header[i], nut->header_len[i]); } // flags had been effectively introduced in version 4 - if (nut->version > NUT_STABLE_VERSION) + if (nut->version > 3) ff_put_v(bc, nut->flags); } @@ -417,30 +419,17 @@ static int write_streamheader(AVFormatContext *avctx, AVIOContext *bc, { NUTContext *nut = avctx->priv_data; AVCodecContext *codec = st->codec; - unsigned codec_tag = av_codec_get_tag(ff_nut_codec_tags, codec->codec_id); ff_put_v(bc, i); switch (codec->codec_type) { - case AVMEDIA_TYPE_VIDEO: - ff_put_v(bc, 0); - break; - case AVMEDIA_TYPE_AUDIO: - ff_put_v(bc, 1); - break; - case AVMEDIA_TYPE_SUBTITLE: - ff_put_v(bc, 2); - break; - default: - ff_put_v(bc, 3); - break; + case AVMEDIA_TYPE_VIDEO: ff_put_v(bc, 0); break; + case AVMEDIA_TYPE_AUDIO: ff_put_v(bc, 1); break; + case AVMEDIA_TYPE_SUBTITLE: ff_put_v(bc, 2); break; + default: ff_put_v(bc, 3); break; } ff_put_v(bc, 4); - - if (!codec_tag || codec->codec_id == AV_CODEC_ID_RAWVIDEO) - codec_tag = codec->codec_tag; - - if (codec_tag) { - avio_wl32(bc, codec_tag); + if (codec->codec_tag) { + avio_wl32(bc, codec->codec_tag); } else { av_log(avctx, AV_LOG_ERROR, "No codec tag defined for stream %d\n", i); return AVERROR(EINVAL); @@ -516,20 +505,28 @@ static int write_globalinfo(NUTContext *nut, AVIOContext *bc) return 0; } -static int write_streaminfo(NUTContext *nut, AVIOContext *bc, int stream_id){ +static int write_streaminfo(NUTContext *nut, AVIOContext *bc, int stream_id) { AVFormatContext *s= nut->avf; AVStream* st = s->streams[stream_id]; + AVDictionaryEntry *t = NULL; AVIOContext *dyn_bc; uint8_t *dyn_buf=NULL; int count=0, dyn_size, i; int ret = avio_open_dyn_buf(&dyn_bc); - if(ret < 0) + if (ret < 0) return ret; + while ((t = av_dict_get(st->metadata, "", t, AV_DICT_IGNORE_SUFFIX))) + count += add_info(dyn_bc, t->key, t->value); for (i=0; ff_nut_dispositions[i].flag; ++i) { if (st->disposition & ff_nut_dispositions[i].flag) count += add_info(dyn_bc, "Disposition", ff_nut_dispositions[i].str); } + if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) { + uint8_t buf[256]; + snprintf(buf, sizeof(buf), "%d/%d", st->codec->time_base.den, st->codec->time_base.num); + count += add_info(dyn_bc, "r_frame_rate", buf); + } dyn_size = avio_close_dyn_buf(dyn_bc, &dyn_buf); if (count) { @@ -575,6 +572,58 @@ static int write_chapter(NUTContext *nut, AVIOContext *bc, int id) return 0; } +static int write_index(NUTContext *nut, AVIOContext *bc) { + int i; + Syncpoint dummy= { .pos= 0 }; + Syncpoint *next_node[2] = { NULL }; + int64_t startpos = avio_tell(bc); + int64_t payload_size; + + put_tt(nut, nut->max_pts_tb, bc, nut->max_pts); + + ff_put_v(bc, nut->sp_count); + + for (i=0; i<nut->sp_count; i++) { + av_tree_find(nut->syncpoints, &dummy, (void *) ff_nut_sp_pos_cmp, (void**)next_node); + ff_put_v(bc, (next_node[1]->pos >> 4) - (dummy.pos>>4)); + dummy.pos = next_node[1]->pos; + } + + for (i=0; i<nut->avf->nb_streams; i++) { + StreamContext *nus= &nut->stream[i]; + int64_t last_pts= -1; + int j, k; + for (j=0; j<nut->sp_count; j++) { + int flag; + int n = 0; + + if (j && nus->keyframe_pts[j] == nus->keyframe_pts[j-1]) { + av_log(nut->avf, AV_LOG_WARNING, "Multiple keyframes with same PTS\n"); + nus->keyframe_pts[j] = AV_NOPTS_VALUE; + } + + flag = (nus->keyframe_pts[j] != AV_NOPTS_VALUE) ^ (j+1 == nut->sp_count); + for (; j<nut->sp_count && (nus->keyframe_pts[j] != AV_NOPTS_VALUE) == flag; j++) + n++; + + ff_put_v(bc, 1 + 2*flag + 4*n); + for (k= j - n; k<=j && k<nut->sp_count; k++) { + if (nus->keyframe_pts[k] == AV_NOPTS_VALUE) + continue; + av_assert0(nus->keyframe_pts[k] > last_pts); + ff_put_v(bc, nus->keyframe_pts[k] - last_pts); + last_pts = nus->keyframe_pts[k]; + } + } + } + + payload_size = avio_tell(bc) - startpos + 8 + 4; + + avio_wb64(bc, 8 + payload_size + av_log2(payload_size) / 7 + 1 + 4*(payload_size > 4096)); + + return 0; +} + static int write_headers(AVFormatContext *avctx, AVIOContext *bc) { NUTContext *nut = avctx->priv_data; @@ -648,8 +697,8 @@ static int nut_write_header(AVFormatContext *s) nut->avf = s; - nut->version = NUT_STABLE_VERSION + !!nut->flags; - if (nut->flags && s->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) { + nut->version = FFMAX(NUT_STABLE_VERSION, 3 + !!nut->flags); + if (nut->version > 3 && s->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) { av_log(s, AV_LOG_ERROR, "The additional syncpoint modes require version %d, " "that is currently not finalized, " @@ -658,12 +707,11 @@ static int nut_write_header(AVFormatContext *s) return AVERROR_EXPERIMENTAL; } - nut->stream = av_mallocz(sizeof(StreamContext) * s->nb_streams); - if (s->nb_chapters) - nut->chapter = av_mallocz(sizeof(ChapterContext) * s->nb_chapters); - nut->time_base = av_mallocz(sizeof(AVRational) * (s->nb_streams + - s->nb_chapters)); - if (!nut->stream || (s->nb_chapters && !nut->chapter) || !nut->time_base) { + nut->stream = av_calloc(s->nb_streams, sizeof(*nut->stream )); + nut->chapter = av_calloc(s->nb_chapters, sizeof(*nut->chapter)); + nut->time_base= av_calloc(s->nb_streams + + s->nb_chapters, sizeof(*nut->time_base)); + if (!nut->stream || !nut->chapter || !nut->time_base) { av_freep(&nut->stream); av_freep(&nut->chapter); av_freep(&nut->time_base); @@ -674,8 +722,13 @@ static int nut_write_header(AVFormatContext *s) AVStream *st = s->streams[i]; int ssize; AVRational time_base; - ff_parse_specific_params(st, &time_base.den, &ssize, - &time_base.num); + ff_parse_specific_params(st, &time_base.den, &ssize, &time_base.num); + + if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && st->codec->sample_rate) { + time_base = (AVRational) {1, st->codec->sample_rate}; + } else { + time_base = ff_choose_timebase(s, st, 48000); + } avpriv_set_pts_info(st, 64, time_base.num, time_base.den); @@ -712,7 +765,7 @@ static int nut_write_header(AVFormatContext *s) nut->max_distance = MAX_DISTANCE; build_elision_headers(s); build_frame_code(s); - assert(nut->frame_code['N'].flags == FLAG_INVALID); + av_assert0(nut->frame_code['N'].flags == FLAG_INVALID); avio_write(bc, ID_STRING, strlen(ID_STRING)); avio_w8(bc, 0); @@ -720,9 +773,10 @@ static int nut_write_header(AVFormatContext *s) if ((ret = write_headers(s, bc)) < 0) return ret; - avio_flush(bc); + if (s->avoid_negative_ts < 0) + s->avoid_negative_ts = 1; - //FIXME index + avio_flush(bc); return 0; } @@ -740,6 +794,8 @@ static int get_needed_flags(NUTContext *nut, StreamContext *nus, FrameCode *fc, flags |= FLAG_SIZE_MSB; if (pkt->pts - nus->last_pts != fc->pts_delta) flags |= FLAG_CODED_PTS; + if (pkt->side_data_elems && nut->version > 3) + flags |= FLAG_SM_DATA; if (pkt->size > 2 * nut->max_distance) flags |= FLAG_CHECKSUM; if (FFABS(pkt->pts - nus->last_pts) > nus->max_pts_distance) @@ -772,24 +828,164 @@ static int find_best_header_idx(NUTContext *nut, AVPacket *pkt) return best_i; } +static int write_sm_data(AVFormatContext *s, AVIOContext *bc, AVPacket *pkt, int is_meta) +{ + int ret, i, dyn_size; + unsigned flags; + AVIOContext *dyn_bc; + int sm_data_count = 0; + uint8_t tmp[256]; + uint8_t *dyn_buf; + + ret = avio_open_dyn_buf(&dyn_bc); + if (ret < 0) + return ret; + + for (i = 0; i<pkt->side_data_elems; i++) { + const uint8_t *data = pkt->side_data[i].data; + int size = pkt->side_data[i].size; + const uint8_t *data_end = data + size; + + if (is_meta) { + if ( pkt->side_data[i].type == AV_PKT_DATA_METADATA_UPDATE + || pkt->side_data[i].type == AV_PKT_DATA_STRINGS_METADATA) { + if (!size || data[size-1]) { + ret = AVERROR(EINVAL); + goto fail; + } + while (data < data_end) { + const uint8_t *key = data; + const uint8_t *val = data + strlen(key) + 1; + + if(val >= data_end) { + ret = AVERROR(EINVAL); + goto fail; + } + put_str(dyn_bc, key); + put_s(dyn_bc, -1); + put_str(dyn_bc, val); + data = val + strlen(val) + 1; + sm_data_count++; + } + } + } else { + switch (pkt->side_data[i].type) { + case AV_PKT_DATA_PALETTE: + case AV_PKT_DATA_NEW_EXTRADATA: + case AV_PKT_DATA_MATROSKA_BLOCKADDITIONAL: + default: + if (pkt->side_data[i].type == AV_PKT_DATA_PALETTE) { + put_str(dyn_bc, "Palette"); + } else if(pkt->side_data[i].type == AV_PKT_DATA_NEW_EXTRADATA) { + put_str(dyn_bc, "Extradata"); + } else if(pkt->side_data[i].type == AV_PKT_DATA_MATROSKA_BLOCKADDITIONAL) { + snprintf(tmp, sizeof(tmp), "CodecSpecificSide%"PRId64"", AV_RB64(data)); + put_str(dyn_bc, tmp); + } else { + snprintf(tmp, sizeof(tmp), "UserData%s-SD-%d", + (s->flags & AVFMT_FLAG_BITEXACT) ? "Lavf" : LIBAVFORMAT_IDENT, + pkt->side_data[i].type); + put_str(dyn_bc, tmp); + } + put_s(dyn_bc, -2); + put_str(dyn_bc, "bin"); + ff_put_v(dyn_bc, pkt->side_data[i].size); + avio_write(dyn_bc, data, pkt->side_data[i].size); + sm_data_count++; + break; + case AV_PKT_DATA_PARAM_CHANGE: + flags = bytestream_get_le32(&data); + if (flags & AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_COUNT) { + put_str(dyn_bc, "Channels"); + put_s(dyn_bc, bytestream_get_le32(&data)); + sm_data_count++; + } + if (flags & AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_LAYOUT) { + put_str(dyn_bc, "ChannelLayout"); + put_s(dyn_bc, -2); + put_str(dyn_bc, "u64"); + ff_put_v(bc, 8); + avio_write(dyn_bc, data, 8); data+=8; + sm_data_count++; + } + if (flags & AV_SIDE_DATA_PARAM_CHANGE_SAMPLE_RATE) { + put_str(dyn_bc, "SampleRate"); + put_s(dyn_bc, bytestream_get_le32(&data)); + sm_data_count++; + } + if (flags & AV_SIDE_DATA_PARAM_CHANGE_DIMENSIONS) { + put_str(dyn_bc, "Width"); + put_s(dyn_bc, bytestream_get_le32(&data)); + put_str(dyn_bc, "Height"); + put_s(dyn_bc, bytestream_get_le32(&data)); + sm_data_count+=2; + } + break; + case AV_PKT_DATA_SKIP_SAMPLES: + if (AV_RL32(data)) { + put_str(dyn_bc, "SkipStart"); + put_s(dyn_bc, (unsigned)AV_RL32(data)); + sm_data_count++; + } + if (AV_RL32(data+4)) { + put_str(dyn_bc, "SkipEnd"); + put_s(dyn_bc, (unsigned)AV_RL32(data+4)); + sm_data_count++; + } + break; + case AV_PKT_DATA_METADATA_UPDATE: + case AV_PKT_DATA_STRINGS_METADATA: + // belongs into meta, not side data + break; + } + } + } + +fail: + ff_put_v(bc, sm_data_count); + dyn_size = avio_close_dyn_buf(dyn_bc, &dyn_buf); + avio_write(bc, dyn_buf, dyn_size); + av_freep(&dyn_buf); + + return ret; +} + static int nut_write_packet(AVFormatContext *s, AVPacket *pkt) { NUTContext *nut = s->priv_data; StreamContext *nus = &nut->stream[pkt->stream_index]; - AVIOContext *bc = s->pb, *dyn_bc; + AVIOContext *bc = s->pb, *dyn_bc, *sm_bc = NULL; FrameCode *fc; int64_t coded_pts; - int best_length, frame_code, flags, needed_flags, i, header_idx, - best_header_idx; + int best_length, frame_code, flags, needed_flags, i, header_idx; + int best_header_idx; int key_frame = !!(pkt->flags & AV_PKT_FLAG_KEY); int store_sp = 0; - int ret; + int ret = 0; + int sm_size = 0; + int data_size = pkt->size; + uint8_t *sm_buf = NULL; if (pkt->pts < 0) { av_log(s, AV_LOG_ERROR, "Negative pts not supported stream %d, pts %"PRId64"\n", pkt->stream_index, pkt->pts); - return AVERROR_INVALIDDATA; + if (pkt->pts == AV_NOPTS_VALUE) + av_log(s, AV_LOG_ERROR, "Try to enable the genpts flag\n"); + return AVERROR(EINVAL); + } + + if (pkt->side_data_elems && nut->version > 3) { + ret = avio_open_dyn_buf(&sm_bc); + if (ret < 0) + return ret; + ret = write_sm_data(s, sm_bc, pkt, 0); + if (ret >= 0) + ret = write_sm_data(s, sm_bc, pkt, 1); + sm_size = avio_close_dyn_buf(sm_bc, &sm_buf); + if (ret < 0) + goto fail; + data_size += sm_size; } if (1LL << (20 + 3 * nut->header_count) <= avio_tell(bc)) @@ -798,15 +994,14 @@ static int nut_write_packet(AVFormatContext *s, AVPacket *pkt) if (key_frame && !(nus->last_flags & FLAG_KEY)) store_sp = 1; - if (pkt->size + 30 /*FIXME check*/ + avio_tell(bc) >= - nut->last_syncpoint_pos + nut->max_distance) + if (data_size + 30 /*FIXME check*/ + avio_tell(bc) >= nut->last_syncpoint_pos + nut->max_distance) store_sp = 1; //FIXME: Ensure store_sp is 1 in the first place. if (store_sp && (!(nut->flags & NUT_PIPE) || nut->last_syncpoint_pos == INT_MIN)) { - Syncpoint *sp, dummy = { .pos = INT64_MAX }; + int64_t sp_pos = INT64_MAX; ff_nut_reset_ts(nut, *nus->time_base, pkt->dts); for (i = 0; i < s->nb_streams; i++) { @@ -817,20 +1012,23 @@ static int nut_write_packet(AVFormatContext *s, AVPacket *pkt) AV_ROUND_DOWN); int index = av_index_search_timestamp(st, dts_tb, AVSEEK_FLAG_BACKWARD); - if (index >= 0) - dummy.pos = FFMIN(dummy.pos, st->index_entries[index].pos); + if (index >= 0) { + sp_pos = FFMIN(sp_pos, st->index_entries[index].pos); + if (!nut->write_index && 2*index > st->nb_index_entries) { + memmove(st->index_entries, + st->index_entries + index, + sizeof(*st->index_entries) * (st->nb_index_entries - index)); + st->nb_index_entries -= index; + } + } } - if (dummy.pos == INT64_MAX) - dummy.pos = 0; - sp = av_tree_find(nut->syncpoints, &dummy, (void *)ff_nut_sp_pos_cmp, - NULL); nut->last_syncpoint_pos = avio_tell(bc); ret = avio_open_dyn_buf(&dyn_bc); if (ret < 0) - return ret; + goto fail; put_tt(nut, nus->time_base, dyn_bc, pkt->dts); - ff_put_v(dyn_bc, sp ? (nut->last_syncpoint_pos - sp->pos) >> 4 : 0); + ff_put_v(dyn_bc, sp_pos != INT64_MAX ? (nut->last_syncpoint_pos - sp_pos) >> 4 : 0); if (nut->flags & NUT_BROADCAST) { put_tt(nut, nus->time_base, dyn_bc, @@ -838,10 +1036,25 @@ static int nut_write_packet(AVFormatContext *s, AVPacket *pkt) } put_packet(nut, bc, dyn_bc, 1, SYNCPOINT_STARTCODE); + if (nut->write_index) { if ((ret = ff_nut_add_sp(nut, nut->last_syncpoint_pos, 0 /*unused*/, pkt->dts)) < 0) - return ret; + goto fail; + + if ((1ll<<60) % nut->sp_count == 0) + for (i=0; i<s->nb_streams; i++) { + int j; + StreamContext *nus = &nut->stream[i]; + av_reallocp_array(&nus->keyframe_pts, 2*nut->sp_count, sizeof(*nus->keyframe_pts)); + if (!nus->keyframe_pts) { + ret = AVERROR(ENOMEM); + goto fail; + } + for (j=nut->sp_count == 1 ? 0 : nut->sp_count; j<2*nut->sp_count; j++) + nus->keyframe_pts[j] = AV_NOPTS_VALUE; + } + } } - assert(nus->last_pts != AV_NOPTS_VALUE); + av_assert0(nus->last_pts != AV_NOPTS_VALUE); coded_pts = pkt->pts & ((1 << nus->msb_pts_shift) - 1); if (ff_lsb2full(nus, coded_pts) != pkt->pts) @@ -874,10 +1087,10 @@ static int nut_write_packet(AVFormatContext *s, AVPacket *pkt) if (flags & FLAG_STREAM_ID) length += ff_get_v_length(pkt->stream_index); - if (pkt->size % fc->size_mul != fc->size_lsb) + if (data_size % fc->size_mul != fc->size_lsb) continue; if (flags & FLAG_SIZE_MSB) - length += ff_get_v_length(pkt->size / fc->size_mul); + length += ff_get_v_length(data_size / fc->size_mul); if (flags & FLAG_CHECKSUM) length += 4; @@ -885,9 +1098,8 @@ static int nut_write_packet(AVFormatContext *s, AVPacket *pkt) if (flags & FLAG_CODED_PTS) length += ff_get_v_length(coded_pts); - if ((flags & FLAG_CODED) - && nut->header_len[best_header_idx] > - nut->header_len[fc->header_idx] + 1) { + if ( (flags & FLAG_CODED) + && nut->header_len[best_header_idx] > nut->header_len[fc->header_idx] + 1) { flags |= FLAG_HEADER_IDX; } @@ -906,7 +1118,7 @@ static int nut_write_packet(AVFormatContext *s, AVPacket *pkt) frame_code = i; } } - assert(frame_code != -1); + av_assert0(frame_code != -1); fc = &nut->frame_code[frame_code]; flags = fc->flags; needed_flags = get_needed_flags(nut, nus, fc, pkt); @@ -918,27 +1130,24 @@ static int nut_write_packet(AVFormatContext *s, AVPacket *pkt) ff_put_v(bc, (flags ^ needed_flags) & ~(FLAG_CODED)); flags = needed_flags; } - if (flags & FLAG_STREAM_ID) - ff_put_v(bc, pkt->stream_index); - if (flags & FLAG_CODED_PTS) - ff_put_v(bc, coded_pts); - if (flags & FLAG_SIZE_MSB) - ff_put_v(bc, pkt->size / fc->size_mul); - if (flags & FLAG_HEADER_IDX) - ff_put_v(bc, header_idx = best_header_idx); + if (flags & FLAG_STREAM_ID) ff_put_v(bc, pkt->stream_index); + if (flags & FLAG_CODED_PTS) ff_put_v(bc, coded_pts); + if (flags & FLAG_SIZE_MSB ) ff_put_v(bc, data_size / fc->size_mul); + if (flags & FLAG_HEADER_IDX) ff_put_v(bc, header_idx = best_header_idx); - if (flags & FLAG_CHECKSUM) - avio_wl32(bc, ffio_get_checksum(bc)); - else - ffio_get_checksum(bc); + if (flags & FLAG_CHECKSUM) avio_wl32(bc, ffio_get_checksum(bc)); + else ffio_get_checksum(bc); + + if (flags & FLAG_SM_DATA) { + avio_write(bc, sm_buf, sm_size); + } + avio_write(bc, pkt->data + nut->header_len[header_idx], pkt->size - nut->header_len[header_idx]); - avio_write(bc, pkt->data + nut->header_len[header_idx], - pkt->size - nut->header_len[header_idx]); nus->last_flags = flags; nus->last_pts = pkt->pts; //FIXME just store one per syncpoint - if (flags & FLAG_KEY && !(nut->flags & NUT_PIPE)) + if (flags & FLAG_KEY && !(nut->flags & NUT_PIPE)) { av_add_index_entry( s->streams[pkt->stream_index], nut->last_syncpoint_pos, @@ -946,19 +1155,41 @@ static int nut_write_packet(AVFormatContext *s, AVPacket *pkt) 0, 0, AVINDEX_KEYFRAME); + if (nus->keyframe_pts && nus->keyframe_pts[nut->sp_count] == AV_NOPTS_VALUE) + nus->keyframe_pts[nut->sp_count] = pkt->pts; + } - return 0; + if (!nut->max_pts_tb || av_compare_ts(nut->max_pts, *nut->max_pts_tb, pkt->pts, *nus->time_base) < 0) { + nut->max_pts = pkt->pts; + nut->max_pts_tb = nus->time_base; + } + +fail: + av_freep(&sm_buf); + + return ret; } static int nut_write_trailer(AVFormatContext *s) { NUTContext *nut = s->priv_data; - AVIOContext *bc = s->pb; + AVIOContext *bc = s->pb, *dyn_bc; + int i, ret; while (nut->header_count < 3) write_headers(s, bc); + ret = avio_open_dyn_buf(&dyn_bc); + if (ret >= 0 && nut->sp_count) { + av_assert1(nut->write_index); + write_index(nut, dyn_bc); + put_packet(nut, bc, dyn_bc, 1, INDEX_STARTCODE); + } + ff_nut_free_sp(nut); + for (i=0; i<s->nb_streams; i++) + av_freep(&nut->stream[i].keyframe_pts); + av_freep(&nut->stream); av_freep(&nut->chapter); av_freep(&nut->time_base); @@ -973,6 +1204,7 @@ static const AVOption options[] = { { "default", "", 0, AV_OPT_TYPE_CONST, {.i64 = 0}, INT_MIN, INT_MAX, E, "syncpoints" }, { "none", "Disable syncpoints, low overhead and unseekable", 0, AV_OPT_TYPE_CONST, {.i64 = NUT_PIPE}, INT_MIN, INT_MAX, E, "syncpoints" }, { "timestamped", "Extend syncpoints with a wallclock timestamp", 0, AV_OPT_TYPE_CONST, {.i64 = NUT_BROADCAST}, INT_MIN, INT_MAX, E, "syncpoints" }, + { "write_index", "Write index", OFFSET(write_index), AV_OPT_TYPE_INT, {.i64 = 1}, 0, 1, E, }, { NULL }, }; |