X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Fdvenc.c;h=bffad44b9f04346b6a496873575525ec73518752;hb=65a25adc97406adaab9ed0c6244fbb69c5cbcc93;hp=cd22e97684b38e3366b9e50fd69bc8e2a8f00c82;hpb=01fa74adb95666cb23e7f6f8175eeab889ee21d9;p=ffmpeg diff --git a/libavformat/dvenc.c b/libavformat/dvenc.c index cd22e97684b..bffad44b9f0 100644 --- a/libavformat/dvenc.c +++ b/libavformat/dvenc.c @@ -6,44 +6,47 @@ * of DV technical info. * * Raw DV format - * Copyright (c) 2002 Fabrice Bellard. + * Copyright (c) 2002 Fabrice Bellard * * 50 Mbps (DVCPRO50) support * Copyright (c) 2006 Daniel Maas * - * This file is part of FFmpeg. + * This file is part of Libav. * - * FFmpeg is free software; you can redistribute it and/or + * Libav 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. * - * FFmpeg is distributed in the hope that it will be useful, + * Libav 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 FFmpeg; if not, write to the Free Software + * License along with Libav; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include + #include "avformat.h" -#include "dvdata.h" +#include "internal.h" +#include "libavcodec/dvdata.h" #include "dv.h" -#include "fifo.h" +#include "libavutil/fifo.h" +#include "libavutil/mathematics.h" struct DVMuxContext { - const DVprofile* sys; /* Current DV profile. E.g.: 525/60, 625/50 */ - int n_ast; /* Number of stereo audio streams (up to 2) */ - AVStream *ast[2]; /* Stereo audio streams */ - AVFifoBuffer audio_data[2]; /* Fifo for storing excessive amounts of PCM */ - int frames; /* Number of a current frame */ - time_t start_time; /* Start time of recording */ - int has_audio; /* frame under contruction has audio */ - int has_video; /* frame under contruction has video */ - uint8_t frame_buf[DV_MAX_FRAME_SIZE]; /* frame under contruction */ + const DVprofile* sys; /* current DV profile, e.g.: 525/60, 625/50 */ + int n_ast; /* number of stereo audio streams (up to 2) */ + AVStream *ast[2]; /* stereo audio streams */ + AVFifoBuffer *audio_data[2]; /* FIFO for storing excessive amounts of PCM */ + int frames; /* current frame number */ + int64_t start_time; /* recording start time */ + int has_audio; /* frame under contruction has audio */ + int has_video; /* frame under contruction has video */ + uint8_t frame_buf[DV_MAX_FRAME_SIZE]; /* frame under contruction */ }; static const int dv_aaux_packs_dist[12][9] = { @@ -63,7 +66,7 @@ static const int dv_aaux_packs_dist[12][9] = { static int dv_audio_frame_size(const DVprofile* sys, int frame) { - return sys->audio_samples_dist[frame % (sizeof(sys->audio_samples_dist)/ + return sys->audio_samples_dist[frame % (sizeof(sys->audio_samples_dist) / sizeof(sys->audio_samples_dist[0]))]; } @@ -77,100 +80,100 @@ static int dv_write_pack(enum dv_pack_type pack_id, DVMuxContext *c, uint8_t* bu buf[0] = (uint8_t)pack_id; switch (pack_id) { case dv_timecode: - ct = (time_t)(c->frames / ((float)c->sys->frame_rate / - (float)c->sys->frame_rate_base)); - brktimegm(ct, &tc); - /* - * LTC drop-frame frame counter drops two frames (0 and 1) every - * minute, unless it is exactly divisible by 10 - */ - ltc_frame = (c->frames + 2*ct/60 - 2*ct/600) % c->sys->ltc_divisor; - buf[1] = (0 << 7) | /* Color fame: 0 - unsync; 1 - sync mode */ - (1 << 6) | /* Drop frame timecode: 0 - nondrop; 1 - drop */ - ((ltc_frame / 10) << 4) | /* Tens of frames */ - (ltc_frame % 10); /* Units of frames */ - buf[2] = (1 << 7) | /* Biphase mark polarity correction: 0 - even; 1 - odd */ - ((tc.tm_sec / 10) << 4) | /* Tens of seconds */ - (tc.tm_sec % 10); /* Units of seconds */ - buf[3] = (1 << 7) | /* Binary group flag BGF0 */ - ((tc.tm_min / 10) << 4) | /* Tens of minutes */ - (tc.tm_min % 10); /* Units of minutes */ - buf[4] = (1 << 7) | /* Binary group flag BGF2 */ - (1 << 6) | /* Binary group flag BGF1 */ - ((tc.tm_hour / 10) << 4) | /* Tens of hours */ - (tc.tm_hour % 10); /* Units of hours */ - break; + ct = (time_t)av_rescale_rnd(c->frames, c->sys->time_base.num, + c->sys->time_base.den, AV_ROUND_DOWN); + brktimegm(ct, &tc); + /* + * LTC drop-frame frame counter drops two frames (0 and 1) every + * minute, unless it is exactly divisible by 10 + */ + ltc_frame = (c->frames + 2 * ct / 60 - 2 * ct / 600) % c->sys->ltc_divisor; + buf[1] = (0 << 7) | /* color frame: 0 - unsync; 1 - sync mode */ + (1 << 6) | /* drop frame timecode: 0 - nondrop; 1 - drop */ + ((ltc_frame / 10) << 4) | /* tens of frames */ + (ltc_frame % 10); /* units of frames */ + buf[2] = (1 << 7) | /* biphase mark polarity correction: 0 - even; 1 - odd */ + ((tc.tm_sec / 10) << 4) | /* tens of seconds */ + (tc.tm_sec % 10); /* units of seconds */ + buf[3] = (1 << 7) | /* binary group flag BGF0 */ + ((tc.tm_min / 10) << 4) | /* tens of minutes */ + (tc.tm_min % 10); /* units of minutes */ + buf[4] = (1 << 7) | /* binary group flag BGF2 */ + (1 << 6) | /* binary group flag BGF1 */ + ((tc.tm_hour / 10) << 4) | /* tens of hours */ + (tc.tm_hour % 10); /* units of hours */ + break; case dv_audio_source: /* AAUX source pack */ - va_start(ap, buf); - buf[1] = (1 << 7) | /* locked mode -- SMPTE only supports locked mode */ - (1 << 6) | /* reserved -- always 1 */ - (dv_audio_frame_size(c->sys, c->frames) - - c->sys->audio_min_samples[0]); - /* # of samples */ - buf[2] = (0 << 7) | /* multi-stereo */ - (0 << 5) | /* #of audio channels per block: 0 -- 1 channel */ - (0 << 4) | /* pair bit: 0 -- one pair of channels */ - !!va_arg(ap, int); /* audio mode */ - buf[3] = (1 << 7) | /* res */ - (1 << 6) | /* multi-language flag */ - (c->sys->dsf << 5) | /* system: 60fields/50fields */ - (c->sys->n_difchan & 2); /* definition: 0 -- 25Mbps, 2 -- 50Mbps */ - buf[4] = (1 << 7) | /* emphasis: 1 -- off */ - (0 << 6) | /* emphasis time constant: 0 -- reserved */ - (0 << 3) | /* frequency: 0 -- 48Khz, 1 -- 44,1Khz, 2 -- 32Khz */ - 0; /* quantization: 0 -- 16bit linear, 1 -- 12bit nonlinear */ - va_end(ap); - break; + va_start(ap, buf); + buf[1] = (1 << 7) | /* locked mode -- SMPTE only supports locked mode */ + (1 << 6) | /* reserved -- always 1 */ + (dv_audio_frame_size(c->sys, c->frames) - + c->sys->audio_min_samples[0]); + /* # of samples */ + buf[2] = (0 << 7) | /* multi-stereo */ + (0 << 5) | /* #of audio channels per block: 0 -- 1 channel */ + (0 << 4) | /* pair bit: 0 -- one pair of channels */ + !!va_arg(ap, int); /* audio mode */ + buf[3] = (1 << 7) | /* res */ + (1 << 6) | /* multi-language flag */ + (c->sys->dsf << 5) | /* system: 60fields/50fields */ + (c->sys->n_difchan & 2); /* definition: 0 -- 25Mbps, 2 -- 50Mbps */ + buf[4] = (1 << 7) | /* emphasis: 1 -- off */ + (0 << 6) | /* emphasis time constant: 0 -- reserved */ + (0 << 3) | /* frequency: 0 -- 48kHz, 1 -- 44,1kHz, 2 -- 32kHz */ + 0; /* quantization: 0 -- 16bit linear, 1 -- 12bit nonlinear */ + va_end(ap); + break; case dv_audio_control: - buf[1] = (0 << 6) | /* copy protection: 0 -- unrestricted */ - (1 << 4) | /* input source: 1 -- digital input */ - (3 << 2) | /* compression: 3 -- no information */ - 0; /* misc. info/SMPTE emphasis off */ - buf[2] = (1 << 7) | /* recording start point: 1 -- no */ - (1 << 6) | /* recording end point: 1 -- no */ - (1 << 3) | /* recording mode: 1 -- original */ - 7; - buf[3] = (1 << 7) | /* direction: 1 -- forward */ - (c->sys->pix_fmt == PIX_FMT_YUV420P ? 0x20 : /* speed */ - c->sys->ltc_divisor*4); - buf[4] = (1 << 7) | /* reserved -- always 1 */ - 0x7f; /* genre category */ - break; + buf[1] = (0 << 6) | /* copy protection: 0 -- unrestricted */ + (1 << 4) | /* input source: 1 -- digital input */ + (3 << 2) | /* compression: 3 -- no information */ + 0; /* misc. info/SMPTE emphasis off */ + buf[2] = (1 << 7) | /* recording start point: 1 -- no */ + (1 << 6) | /* recording end point: 1 -- no */ + (1 << 3) | /* recording mode: 1 -- original */ + 7; + buf[3] = (1 << 7) | /* direction: 1 -- forward */ + (c->sys->pix_fmt == PIX_FMT_YUV420P ? 0x20 : /* speed */ + c->sys->ltc_divisor * 4); + buf[4] = (1 << 7) | /* reserved -- always 1 */ + 0x7f; /* genre category */ + break; case dv_audio_recdate: case dv_video_recdate: /* VAUX recording date */ - ct = c->start_time + (time_t)(c->frames / - ((float)c->sys->frame_rate / (float)c->sys->frame_rate_base)); - brktimegm(ct, &tc); - buf[1] = 0xff; /* ds, tm, tens of time zone, units of time zone */ - /* 0xff is very likely to be "unknown" */ - buf[2] = (3 << 6) | /* reserved -- always 1 */ - ((tc.tm_mday / 10) << 4) | /* Tens of day */ - (tc.tm_mday % 10); /* Units of day */ - buf[3] = /* we set high 4 bits to 0, shouldn't we set them to week? */ - ((tc.tm_mon / 10) << 4) | /* Tens of month */ - (tc.tm_mon % 10); /* Units of month */ - buf[4] = (((tc.tm_year % 100) / 10) << 4) | /* Tens of year */ - (tc.tm_year % 10); /* Units of year */ - break; + ct = c->start_time + av_rescale_rnd(c->frames, c->sys->time_base.num, + c->sys->time_base.den, AV_ROUND_DOWN); + brktimegm(ct, &tc); + buf[1] = 0xff; /* ds, tm, tens of time zone, units of time zone */ + /* 0xff is very likely to be "unknown" */ + buf[2] = (3 << 6) | /* reserved -- always 1 */ + ((tc.tm_mday / 10) << 4) | /* Tens of day */ + (tc.tm_mday % 10); /* Units of day */ + buf[3] = /* we set high 4 bits to 0, shouldn't we set them to week? */ + ((tc.tm_mon / 10) << 4) | /* Tens of month */ + (tc.tm_mon % 10); /* Units of month */ + buf[4] = (((tc.tm_year % 100) / 10) << 4) | /* Tens of year */ + (tc.tm_year % 10); /* Units of year */ + break; case dv_audio_rectime: /* AAUX recording time */ case dv_video_rectime: /* VAUX recording time */ - ct = c->start_time + (time_t)(c->frames / - ((float)c->sys->frame_rate / (float)c->sys->frame_rate_base)); - brktimegm(ct, &tc); - buf[1] = (3 << 6) | /* reserved -- always 1 */ - 0x3f; /* tens of frame, units of frame: 0x3f - "unknown" ? */ - buf[2] = (1 << 7) | /* reserved -- always 1 */ - ((tc.tm_sec / 10) << 4) | /* Tens of seconds */ - (tc.tm_sec % 10); /* Units of seconds */ - buf[3] = (1 << 7) | /* reserved -- always 1 */ - ((tc.tm_min / 10) << 4) | /* Tens of minutes */ - (tc.tm_min % 10); /* Units of minutes */ - buf[4] = (3 << 6) | /* reserved -- always 1 */ - ((tc.tm_hour / 10) << 4) | /* Tens of hours */ - (tc.tm_hour % 10); /* Units of hours */ - break; + ct = c->start_time + av_rescale_rnd(c->frames, c->sys->time_base.num, + c->sys->time_base.den, AV_ROUND_DOWN); + brktimegm(ct, &tc); + buf[1] = (3 << 6) | /* reserved -- always 1 */ + 0x3f; /* tens of frame, units of frame: 0x3f - "unknown" ? */ + buf[2] = (1 << 7) | /* reserved -- always 1 */ + ((tc.tm_sec / 10) << 4) | /* Tens of seconds */ + (tc.tm_sec % 10); /* Units of seconds */ + buf[3] = (1 << 7) | /* reserved -- always 1 */ + ((tc.tm_min / 10) << 4) | /* Tens of minutes */ + (tc.tm_min % 10); /* Units of minutes */ + buf[4] = (3 << 6) | /* reserved -- always 1 */ + ((tc.tm_hour / 10) << 4) | /* Tens of hours */ + (tc.tm_hour % 10); /* Units of hours */ + break; default: - buf[1] = buf[2] = buf[3] = buf[4] = 0xff; + buf[1] = buf[2] = buf[3] = buf[4] = 0xff; } return 5; } @@ -181,19 +184,19 @@ static void dv_inject_audio(DVMuxContext *c, int channel, uint8_t* frame_ptr) size = 4 * dv_audio_frame_size(c->sys, c->frames); frame_ptr += channel * c->sys->difseg_size * 150 * 80; for (i = 0; i < c->sys->difseg_size; i++) { - frame_ptr += 6 * 80; /* skip DIF segment header */ - for (j = 0; j < 9; j++) { - dv_write_pack(dv_aaux_packs_dist[i][j], c, &frame_ptr[3], i >= c->sys->difseg_size/2); - for (d = 8; d < 80; d+=2) { - of = c->sys->audio_shuffle[i][j] + (d - 8)/2 * c->sys->audio_stride; - if (of*2 >= size) - continue; - - frame_ptr[d] = av_fifo_peek(&c->audio_data[channel], of*2+1); // FIXME: may be we have to admit - frame_ptr[d+1] = av_fifo_peek(&c->audio_data[channel], of*2); // that DV is a big endian PCM - } - frame_ptr += 16 * 80; /* 15 Video DIFs + 1 Audio DIF */ - } + frame_ptr += 6 * 80; /* skip DIF segment header */ + for (j = 0; j < 9; j++) { + dv_write_pack(dv_aaux_packs_dist[i][j], c, &frame_ptr[3], i >= c->sys->difseg_size/2); + for (d = 8; d < 80; d+=2) { + of = c->sys->audio_shuffle[i][j] + (d - 8)/2 * c->sys->audio_stride; + if (of*2 >= size) + continue; + + frame_ptr[d] = *av_fifo_peek2(c->audio_data[channel], of*2+1); // FIXME: maybe we have to admit + frame_ptr[d+1] = *av_fifo_peek2(c->audio_data[channel], of*2); // that DV is a big-endian PCM + } + frame_ptr += 16 * 80; /* 15 Video DIFs + 1 Audio DIF */ + } } } @@ -230,8 +233,8 @@ static void dv_inject_metadata(DVMuxContext *c, uint8_t* frame) * The following 3 functions constitute our interface to the world */ -int dv_assemble_frame(DVMuxContext *c, AVStream* st, - const uint8_t* data, int data_size, uint8_t** frame) +static int dv_assemble_frame(DVMuxContext *c, AVStream* st, + uint8_t* data, int data_size, uint8_t** frame) { int i, reqasize; @@ -239,38 +242,38 @@ int dv_assemble_frame(DVMuxContext *c, AVStream* st, reqasize = 4 * dv_audio_frame_size(c->sys, c->frames); switch (st->codec->codec_type) { - case CODEC_TYPE_VIDEO: - /* FIXME: we have to have more sensible approach than this one */ - if (c->has_video) - av_log(st->codec, AV_LOG_ERROR, "Can't process DV frame #%d. Insufficient audio data or severe sync problem.\n", c->frames); + case AVMEDIA_TYPE_VIDEO: + /* FIXME: we have to have more sensible approach than this one */ + if (c->has_video) + av_log(st->codec, AV_LOG_ERROR, "Can't process DV frame #%d. Insufficient audio data or severe sync problem.\n", c->frames); - memcpy(*frame, data, c->sys->frame_size); - c->has_video = 1; - break; - case CODEC_TYPE_AUDIO: - for (i = 0; i < c->n_ast && st != c->ast[i]; i++); + memcpy(*frame, data, c->sys->frame_size); + c->has_video = 1; + break; + case AVMEDIA_TYPE_AUDIO: + for (i = 0; i < c->n_ast && st != c->ast[i]; i++); /* FIXME: we have to have more sensible approach than this one */ - if (av_fifo_size(&c->audio_data[i]) + data_size >= 100*AVCODEC_MAX_AUDIO_FRAME_SIZE) - av_log(st->codec, AV_LOG_ERROR, "Can't process DV frame #%d. Insufficient video data or severe sync problem.\n", c->frames); - av_fifo_write(&c->audio_data[i], data, data_size); + if (av_fifo_size(c->audio_data[i]) + data_size >= 100*AVCODEC_MAX_AUDIO_FRAME_SIZE) + av_log(st->codec, AV_LOG_ERROR, "Can't process DV frame #%d. Insufficient video data or severe sync problem.\n", c->frames); + av_fifo_generic_write(c->audio_data[i], data, data_size, NULL); - /* Lets see if we've got enough audio for one DV frame */ - c->has_audio |= ((reqasize <= av_fifo_size(&c->audio_data[i])) << i); + /* Let us see if we've got enough audio for one DV frame. */ + c->has_audio |= ((reqasize <= av_fifo_size(c->audio_data[i])) << i); - break; + break; default: - break; + break; } - /* Lets see if we have enough data to construct one DV frame */ - if (c->has_video == 1 && c->has_audio + 1 == 1<n_ast) { + /* Let us see if we have enough data to construct one DV frame. */ + if (c->has_video == 1 && c->has_audio + 1 == 1 << c->n_ast) { dv_inject_metadata(c, *frame); c->has_audio = 0; - for (i=0; in_ast; i++) { - dv_inject_audio(c, i, *frame); - av_fifo_drain(&c->audio_data[i], reqasize); - c->has_audio |= ((reqasize <= av_fifo_size(&c->audio_data[i])) << i); + for (i=0; i < c->n_ast; i++) { + dv_inject_audio(c, i, *frame); + av_fifo_drain(c->audio_data[i], reqasize); + c->has_audio |= ((reqasize <= av_fifo_size(c->audio_data[i])) << i); } c->has_video = 0; @@ -283,64 +286,71 @@ int dv_assemble_frame(DVMuxContext *c, AVStream* st, return 0; } -DVMuxContext* dv_init_mux(AVFormatContext* s) +static DVMuxContext* dv_init_mux(AVFormatContext* s) { DVMuxContext *c = s->priv_data; AVStream *vst = NULL; + AVDictionaryEntry *t; int i; /* we support at most 1 video and 2 audio streams */ if (s->nb_streams > 3) return NULL; - c->n_ast = 0; + c->n_ast = 0; c->ast[0] = c->ast[1] = NULL; /* We have to sort out where audio and where video stream is */ for (i=0; inb_streams; i++) { - switch (s->streams[i]->codec->codec_type) { - case CODEC_TYPE_VIDEO: - if (vst) return NULL; - vst = s->streams[i]; - break; - case CODEC_TYPE_AUDIO: - if (c->n_ast > 1) return NULL; - c->ast[c->n_ast++] = s->streams[i]; - break; - default: - goto bail_out; - } + switch (s->streams[i]->codec->codec_type) { + case AVMEDIA_TYPE_VIDEO: + if (vst) return NULL; + vst = s->streams[i]; + break; + case AVMEDIA_TYPE_AUDIO: + if (c->n_ast > 1) return NULL; + c->ast[c->n_ast++] = s->streams[i]; + break; + default: + goto bail_out; + } } /* Some checks -- DV format is very picky about its incoming streams */ if (!vst || vst->codec->codec_id != CODEC_ID_DVVIDEO) goto bail_out; for (i=0; in_ast; i++) { - if (c->ast[i] && (c->ast[i]->codec->codec_id != CODEC_ID_PCM_S16LE || + if (c->ast[i] && (c->ast[i]->codec->codec_id != CODEC_ID_PCM_S16LE || c->ast[i]->codec->sample_rate != 48000 || - c->ast[i]->codec->channels != 2)) + c->ast[i]->codec->channels != 2)) goto bail_out; } - c->sys = dv_codec_profile(vst->codec); + c->sys = avpriv_dv_codec_profile(vst->codec); if (!c->sys) goto bail_out; - if((c->n_ast > 1) && (c->sys->n_difchan < 2)) { + if ((c->n_ast > 1) && (c->sys->n_difchan < 2)) { /* only 1 stereo pair is allowed in 25Mbps mode */ goto bail_out; } /* Ok, everything seems to be in working order */ - c->frames = 0; - c->has_audio = 0; - c->has_video = 0; - c->start_time = (time_t)s->timestamp; + c->frames = 0; + c->has_audio = 0; + c->has_video = 0; +#if FF_API_TIMESTAMP + if (s->timestamp) + c->start_time = s->timestamp; + else +#endif + if (t = av_dict_get(s->metadata, "creation_time", NULL, 0)) + c->start_time = ff_iso8601_to_unix_time(t->value); - for (i=0; in_ast; i++) { - if (c->ast[i] && av_fifo_init(&c->audio_data[i], 100*AVCODEC_MAX_AUDIO_FRAME_SIZE) < 0) { - while (i>0) { + for (i=0; i < c->n_ast; i++) { + if (c->ast[i] && !(c->audio_data[i]=av_fifo_alloc(100*AVCODEC_MAX_AUDIO_FRAME_SIZE))) { + while (i > 0) { i--; - av_fifo_free(&c->audio_data[i]); + av_fifo_free(c->audio_data[i]); } goto bail_out; } @@ -352,20 +362,19 @@ bail_out: return NULL; } -void dv_delete_mux(DVMuxContext *c) +static void dv_delete_mux(DVMuxContext *c) { int i; for (i=0; i < c->n_ast; i++) - av_fifo_free(&c->audio_data[i]); + av_fifo_free(c->audio_data[i]); } -#ifdef CONFIG_MUXERS static int dv_write_header(AVFormatContext *s) { if (!dv_init_mux(s)) { av_log(s, AV_LOG_ERROR, "Can't initialize DV format!\n" "Make sure that you supply exactly two streams:\n" - " video: 25fps or 29.97fps, audio: 2ch/48Khz/PCM\n" + " video: 25fps or 29.97fps, audio: 2ch/48kHz/PCM\n" " (50Mbps allows an optional second audio stream)\n"); return -1; } @@ -380,8 +389,8 @@ static int dv_write_packet(struct AVFormatContext *s, AVPacket *pkt) fsize = dv_assemble_frame(s->priv_data, s->streams[pkt->stream_index], pkt->data, pkt->size, &frame); if (fsize > 0) { - put_buffer(&s->pb, frame, fsize); - put_flush_packet(&s->pb); + avio_write(s->pb, frame, fsize); + avio_flush(s->pb); } return 0; } @@ -397,19 +406,15 @@ static int dv_write_trailer(struct AVFormatContext *s) dv_delete_mux(s->priv_data); return 0; } -#endif /* CONFIG_MUXERS */ - -#ifdef CONFIG_DV_MUXER -AVOutputFormat dv_muxer = { - "dv", - "DV video format", - NULL, - "dv", - sizeof(DVMuxContext), - CODEC_ID_PCM_S16LE, - CODEC_ID_DVVIDEO, - dv_write_header, - dv_write_packet, - dv_write_trailer, + +AVOutputFormat ff_dv_muxer = { + .name = "dv", + .long_name = NULL_IF_CONFIG_SMALL("DV video format"), + .extensions = "dv", + .priv_data_size = sizeof(DVMuxContext), + .audio_codec = CODEC_ID_PCM_S16LE, + .video_codec = CODEC_ID_DVVIDEO, + .write_header = dv_write_header, + .write_packet = dv_write_packet, + .write_trailer = dv_write_trailer, }; -#endif