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mpeg12enc: use new public timecode API.

This commit is contained in:
Clément Bœsch 2012-01-16 14:45:46 +01:00 committed by Clément Bœsch
parent f65600d519
commit d8804905eb
2 changed files with 17 additions and 13 deletions
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25
libavcodec/mpeg12enc.c
View File

@ -33,10 +33,10 @@
#include "mpeg12.h"
#include "mpeg12data.h"
#include "bytestream.h"
#include "timecode.h"
#include "libavutil/log.h"
#include "libavutil/opt.h"
#include "libavutil/avassert.h"
#include "libavutil/timecode.h"
static const uint8_t inv_non_linear_qscale[13] = {
0, 2, 4, 6, 8,
@ -167,17 +167,20 @@ static av_cold int encode_init(AVCodecContext *avctx)
}
}
s->drop_frame_timecode = s->tc.drop = s->drop_frame_timecode || !!(avctx->flags2 & CODEC_FLAG2_DROP_FRAME_TIMECODE);
s->drop_frame_timecode = s->drop_frame_timecode || !!(avctx->flags2 & CODEC_FLAG2_DROP_FRAME_TIMECODE);
if (s->drop_frame_timecode)
s->tc.flags |= AV_TIMECODE_FLAG_DROPFRAME;
if (s->drop_frame_timecode && s->frame_rate_index != 4) {
av_log(avctx, AV_LOG_ERROR, "Drop frame time code only allowed with 1001/30000 fps\n");
return -1;
}
if (s->tc.str) {
s->tc.rate = avpriv_frame_rate_tab[s->frame_rate_index];
if (avpriv_init_smpte_timecode(s, &s->tc) < 0)
return -1;
s->drop_frame_timecode = s->tc.drop;
if (s->tc_opt_str) {
AVRational rate = avpriv_frame_rate_tab[s->frame_rate_index];
int ret = av_timecode_init_from_string(&s->tc, rate, s->tc_opt_str, s);
if (ret < 0)
return ret;
s->drop_frame_timecode = !!(s->tc.flags & AV_TIMECODE_FLAG_DROPFRAME);
s->avctx->timecode_frame_start = s->tc.start;
} else {
s->avctx->timecode_frame_start = 0; // default is -1
@ -295,9 +298,9 @@ static void mpeg1_encode_sequence_header(MpegEncContext *s)
time_code = s->current_picture_ptr->f.coded_picture_number + s->avctx->timecode_frame_start;
s->gop_picture_number = s->current_picture_ptr->f.coded_picture_number;
av_assert0(s->drop_frame_timecode == s->tc.drop);
if (s->tc.drop)
time_code = avpriv_framenum_to_drop_timecode(time_code);
av_assert0(s->drop_frame_timecode == !!(s->tc.flags & AV_TIMECODE_FLAG_DROPFRAME));
if (s->drop_frame_timecode)
time_code = av_timecode_adjust_ntsc_framenum(time_code);
put_bits(&s->pb, 5, (uint32_t)((time_code / (fps * 3600)) % 24));
put_bits(&s->pb, 6, (uint32_t)((time_code / (fps * 60)) % 60));
put_bits(&s->pb, 1, 1);
@ -928,7 +931,7 @@ static void mpeg1_encode_block(MpegEncContext *s,
#define OFFSET(x) offsetof(MpegEncContext, x)
#define VE AV_OPT_FLAG_ENCODING_PARAM | AV_OPT_FLAG_VIDEO_PARAM
#define COMMON_OPTS\
{TIMECODE_OPT(MpegEncContext,\
{AV_TIMECODE_OPTION(MpegEncContext, tc_opt_str, \
AV_OPT_FLAG_ENCODING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)},\
{ "intra_vlc", "Use MPEG-2 intra VLC table.", OFFSET(intra_vlc_format), AV_OPT_TYPE_INT, { 0 }, 0, 1, VE },\
{ "drop_frame_timecode", "Timecode is in drop frame format.", OFFSET(drop_frame_timecode), AV_OPT_TYPE_INT, { 0 }, 0, 1, VE}, \

5
libavcodec/mpegvideo.h
View File

@ -36,7 +36,7 @@
#include "parser.h"
#include "mpeg12data.h"
#include "rl.h"
#include "timecode.h"
#include "libavutil/timecode.h"
#define FRAME_SKIPPED 100 ///< return value for header parsers if frame is not coded
@ -649,7 +649,8 @@ typedef struct MpegEncContext {
/* RTP specific */
int rtp_mode;
struct ff_timecode tc;
char *tc_opt_str; ///< timecode option string
AVTimecode tc; ///< timecode context
uint8_t *ptr_lastgob;
int swap_uv; //vcr2 codec is an MPEG-2 variant with U and V swapped