X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Fdvenc.c;h=8ebdd7fa1d74a20d9aaa648d40e73c8e756e017f;hb=e30b3e59a4f3004337cb1623b2aac988ce52b93f;hp=0b80835fae9e2231c609a76c830420b7c2875d2d;hpb=b7f2fdde74608d848f943377c40d3df804c5f955;p=ffmpeg diff --git a/libavformat/dvenc.c b/libavformat/dvenc.c index 0b80835fae9..8ebdd7fa1d7 100644 --- a/libavformat/dvenc.c +++ b/libavformat/dvenc.c @@ -11,20 +11,20 @@ * 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 @@ -35,6 +35,7 @@ #include "libavcodec/dvdata.h" #include "dv.h" #include "libavutil/fifo.h" +#include "libavutil/mathematics.h" struct DVMuxContext { const DVprofile* sys; /* current DV profile, e.g.: 525/60, 625/50 */ @@ -42,7 +43,7 @@ struct DVMuxContext { AVStream *ast[2]; /* stereo audio streams */ AVFifoBuffer *audio_data[2]; /* FIFO for storing excessive amounts of PCM */ int frames; /* current frame number */ - time_t start_time; /* recording start time */ + 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 */ @@ -81,7 +82,7 @@ static int dv_write_pack(enum dv_pack_type pack_id, DVMuxContext *c, uint8_t* bu case dv_timecode: ct = (time_t)av_rescale_rnd(c->frames, c->sys->time_base.num, c->sys->time_base.den, AV_ROUND_DOWN); - brktimegm(ct, &tc); + ff_brktimegm(ct, &tc); /* * LTC drop-frame frame counter drops two frames (0 and 1) every * minute, unless it is exactly divisible by 10 @@ -142,7 +143,7 @@ static int dv_write_pack(enum dv_pack_type pack_id, DVMuxContext *c, uint8_t* bu case dv_video_recdate: /* VAUX recording date */ 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); + ff_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 */ @@ -158,7 +159,7 @@ static int dv_write_pack(enum dv_pack_type pack_id, DVMuxContext *c, uint8_t* bu case dv_video_rectime: /* VAUX recording time */ 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); + ff_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 */ @@ -191,8 +192,8 @@ static void dv_inject_audio(DVMuxContext *c, int channel, uint8_t* frame_ptr) if (of*2 >= size) continue; - frame_ptr[d] = av_fifo_peek(c->audio_data[channel], of*2+1); // FIXME: maybe 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[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 */ } @@ -289,6 +290,7 @@ 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 */ @@ -323,7 +325,7 @@ static DVMuxContext* dv_init_mux(AVFormatContext* s) c->ast[i]->codec->channels != 2)) goto bail_out; } - c->sys = ff_dv_codec_profile(vst->codec); + c->sys = avpriv_dv_codec_profile(vst->codec); if (!c->sys) goto bail_out; @@ -336,7 +338,8 @@ static DVMuxContext* dv_init_mux(AVFormatContext* s) c->frames = 0; c->has_audio = 0; c->has_video = 0; - c->start_time = (time_t)s->timestamp; + if (t = av_dict_get(s->metadata, "creation_time", NULL, 0)) + c->start_time = ff_iso8601_to_unix_time(t->value); 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))) { @@ -400,14 +403,13 @@ static int dv_write_trailer(struct AVFormatContext *s) } AVOutputFormat ff_dv_muxer = { - "dv", - NULL_IF_CONFIG_SMALL("DV video format"), - NULL, - "dv", - sizeof(DVMuxContext), - CODEC_ID_PCM_S16LE, - CODEC_ID_DVVIDEO, - dv_write_header, - dv_write_packet, - dv_write_trailer, + .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, };