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dvenc: use new public timecode API.

This commit is contained in:
Clément Bœsch 2012-01-16 13:43:42 +01:00 committed by Clément Bœsch
parent bf6e83a8e8
commit 6f55156234
1 changed files with 12 additions and 20 deletions
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32
libavformat/dvenc.c
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@ -33,12 +33,12 @@
#include "avformat.h"
#include "internal.h"
#include "libavcodec/dvdata.h"
#include "libavcodec/timecode.h"
#include "dv.h"
#include "libavutil/fifo.h"
#include "libavutil/mathematics.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/opt.h"
#include "libavutil/timecode.h"
struct DVMuxContext {
AVClass *av_class;
@ -51,7 +51,8 @@ struct DVMuxContext {
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 */
struct ff_timecode tc;
char *tc_opt_str; /* timecode option string */
AVTimecode tc; /* timecode context */
};
static const int dv_aaux_packs_dist[12][9] = {
@ -79,22 +80,13 @@ static int dv_write_pack(enum dv_pack_type pack_id, DVMuxContext *c, uint8_t* bu
{
struct tm tc;
time_t ct;
int ltc_frame;
uint32_t timecode;
va_list ap;
buf[0] = (uint8_t)pack_id;
switch (pack_id) {
case dv_timecode:
/*
* LTC drop-frame frame counter drops two frames (0 and 1) every
* minute, unless it is exactly divisible by 10
*/
ltc_frame = c->tc.start + c->frames;
if (c->tc.drop)
ltc_frame = avpriv_framenum_to_drop_timecode(ltc_frame);
timecode = avpriv_framenum_to_smpte_timecode(ltc_frame, c->sys->ltc_divisor,
c->tc.drop);
timecode = av_timecode_get_smpte_from_framenum(&c->tc, c->frames);
timecode |= 1<<23 | 1<<15 | 1<<7 | 1<<6; // biphase and binary group flags
AV_WB32(buf + 1, timecode);
break;
@ -361,6 +353,7 @@ static void dv_delete_mux(DVMuxContext *c)
static int dv_write_header(AVFormatContext *s)
{
AVRational rate;
DVMuxContext *dvc = s->priv_data;
if (!dv_init_mux(s)) {
@ -370,13 +363,12 @@ static int dv_write_header(AVFormatContext *s)
" (50Mbps allows an optional second audio stream)\n");
return -1;
}
if (dvc->tc.str) {
dvc->tc.rate.num = dvc->sys->time_base.den;
dvc->tc.rate.den = dvc->sys->time_base.num;
if (avpriv_init_smpte_timecode(s, &dvc->tc) < 0)
return -1;
}
return 0;
rate.num = dvc->sys->ltc_divisor;
rate.den = 1;
if (dvc->tc_opt_str)
return av_timecode_init_from_string(&dvc->tc, rate,
dvc->tc_opt_str, s);
return av_timecode_init(&dvc->tc, rate, 0, 0, s);
}
static int dv_write_packet(struct AVFormatContext *s, AVPacket *pkt)
@ -410,7 +402,7 @@ static const AVClass class = {
.item_name = av_default_item_name,
.version = LIBAVUTIL_VERSION_INT,
.option = (const AVOption[]){
{TIMECODE_OPT(DVMuxContext, AV_OPT_FLAG_ENCODING_PARAM)},
{AV_TIMECODE_OPTION(DVMuxContext, tc_opt_str, AV_OPT_FLAG_ENCODING_PARAM)},
{NULL},
},
};