MrBesen/ffmpeg
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

mxfenc: use new public timecode API.

Browse Source
This commit is contained in:
Clément Bœsch 2012-01-16 14:19:37 +01:00 committed by Clément Bœsch
parent e2407556f1
commit bf6e83a8e8
1 changed files with 19 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
libavformat/mxfenc.c
View File

@ -37,8 +37,8 @@
#include "libavutil/opt.h"
#include "libavutil/random_seed.h"
#include "libavutil/timecode.h"
#include "libavcodec/bytestream.h"
#include "libavcodec/timecode.h"
#include "audiointerleave.h"
#include "avformat.h"
#include "internal.h"
@ -187,7 +187,8 @@ typedef struct MXFContext {
unsigned body_partitions_count;
int last_key_index; ///< index of last key frame
uint64_t duration;
struct ff_timecode tc;
char *tc_opt_str; ///< timecode option string
AVTimecode tc; ///< timecode context
AVStream *timecode_track;
int timecode_base; ///< rounded time code base (25 or 30)
int edit_unit_byte_count; ///< fixed edit unit byte count
@ -675,7 +676,7 @@ static void mxf_write_timecode_component(AVFormatContext *s, AVStream *st, enum
// Drop Frame
mxf_write_local_tag(pb, 1, 0x1503);
avio_w8(pb, mxf->tc.drop);
avio_w8(pb, !!(mxf->tc.flags & AV_TIMECODE_FLAG_DROPFRAME));
}
static void mxf_write_structural_component(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
@ -1395,7 +1396,7 @@ static void mxf_gen_umid(AVFormatContext *s)
static int mxf_write_header(AVFormatContext *s)
{
MXFContext *mxf = s->priv_data;
int i;
int i, ret;
uint8_t present[FF_ARRAY_ELEMS(mxf_essence_container_uls)] = {0};
const int *samples_per_frame = NULL;
AVDictionaryEntry *t;
@ -1412,6 +1413,7 @@ static int mxf_write_header(AVFormatContext *s)
st->priv_data = sc;
if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
AVRational rate;
if (i != 0) {
av_log(s, AV_LOG_ERROR, "video stream must be first track\n");
return -1;
@ -1428,13 +1430,15 @@ static int mxf_write_header(AVFormatContext *s)
av_log(s, AV_LOG_ERROR, "unsupported video frame rate\n");
return -1;
}
rate = (AVRational){mxf->time_base.den, mxf->time_base.num};
avpriv_set_pts_info(st, 64, mxf->time_base.num, mxf->time_base.den);
if (mxf->tc.str) {
mxf->tc.rate.num = mxf->time_base.den;
mxf->tc.rate.den = mxf->time_base.num;
if (avpriv_init_smpte_timecode(s, &mxf->tc) < 0)
return -1;
}
if (mxf->tc_opt_str)
ret = av_timecode_init_from_string(&mxf->tc, rate,
mxf->tc_opt_str, s);
else
ret = av_timecode_init(&mxf->tc, rate, 0, 0, s);
if (ret < 0)
return ret;
if (s->oformat == &ff_mxf_d10_muxer) {
if (st->codec->bit_rate == 50000000)
if (mxf->time_base.den == 25) sc->index = 3;
@ -1544,7 +1548,7 @@ static void mxf_write_system_item(AVFormatContext *s)
unsigned frame;
uint32_t time_code;
frame = mxf->tc.start + mxf->last_indexed_edit_unit + mxf->edit_units_count;
frame = mxf->last_indexed_edit_unit + mxf->edit_units_count;
// write system metadata pack
avio_write(pb, system_metadata_pack_key, 16);
@ -1553,7 +1557,7 @@ static void mxf_write_system_item(AVFormatContext *s)
avio_w8(pb, 0x04); // content package rate
avio_w8(pb, 0x00); // content package type
avio_wb16(pb, 0x00); // channel handle
avio_wb16(pb, frame); // continuity count
avio_wb16(pb, mxf->tc.start + frame); // continuity count
if (mxf->essence_container_count > 1)
avio_write(pb, multiple_desc_ul, 16);
else {
@ -1565,11 +1569,7 @@ static void mxf_write_system_item(AVFormatContext *s)
avio_wb64(pb, 0); // creation date/time stamp
avio_w8(pb, 0x81); // SMPTE 12M time code
time_code = frame;
if (mxf->tc.drop)
time_code = avpriv_framenum_to_drop_timecode(time_code);
time_code = avpriv_framenum_to_smpte_timecode(time_code, mxf->timecode_base,
mxf->tc.drop);
time_code = av_timecode_get_smpte_from_framenum(&mxf->tc, frame);
avio_wb32(pb, time_code);
avio_wb32(pb, 0); // binary group data
avio_wb64(pb, 0);
@ -1871,7 +1871,7 @@ static const AVClass mxf_class = {
.item_name = av_default_item_name,
.version = LIBAVUTIL_VERSION_INT,
.option = (const AVOption[]){
{TIMECODE_OPT(MXFContext, AV_OPT_FLAG_ENCODING_PARAM)},
{AV_TIMECODE_OPTION(MXFContext, tc_opt_str, AV_OPT_FLAG_ENCODING_PARAM)},
{NULL}
},
};
@ -1881,7 +1881,7 @@ static const AVClass mxf_d10_class = {
.item_name = av_default_item_name,
.version = LIBAVUTIL_VERSION_INT,
.option = (const AVOption[]){
{TIMECODE_OPT(MXFContext, AV_OPT_FLAG_ENCODING_PARAM)},
{AV_TIMECODE_OPTION(MXFContext, tc_opt_str, AV_OPT_FLAG_ENCODING_PARAM)},
{NULL}
},
};