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| author | Clément Bœsch <clement.boesch@smartjog.com> | 2011-07-06 15:04:26 +0200 |
|---|---|---|
| committer | Clément Bœsch <ubitux@gmail.com> | 2011-08-13 19:13:02 +0200 |
| commit | 4c3c6e60f97e450c35a90dc6d66f3726b7b938b4 (patch) | |
| tree | 3a9e10114bc7b8ebf14f2fd7ac5e52c11e104c82 /libavformat | |
| parent | b7b72963e06f21fb985c58100c7d048cfea2736a (diff) | |
| download | ffmpeg-4c3c6e60f97e450c35a90dc6d66f3726b7b938b4.tar.gz | |
mxf: move framenum to timecode convert to timecode helpers.
This is based on the original work by Baptiste Coudurier.
Diffstat (limited to 'libavformat')
| -rw-r--r-- | libavformat/mxfenc.c | 22 |
1 files changed, 3 insertions, 19 deletions
diff --git a/libavformat/mxfenc.c b/libavformat/mxfenc.c index b84504cf5c..50d2deda7b 100644 --- a/libavformat/mxfenc.c +++ b/libavformat/mxfenc.c @@ -37,6 +37,7 @@ #include "libavutil/random_seed.h" #include "libavcodec/bytestream.h" +#include "libavcodec/timecode.h" #include "audiointerleave.h" #include "avformat.h" #include "internal.h" @@ -1546,24 +1547,6 @@ static int mxf_write_header(AVFormatContext *s) static const uint8_t system_metadata_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x01,0x00 }; static const uint8_t system_metadata_package_set_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x43,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x02,0x01 }; -static uint32_t ff_framenum_to_12m_time_code(unsigned frame, int drop, int fps) -{ - return (0 << 31) | // color frame flag - (drop << 30) | // drop frame flag - ( ((frame % fps) / 10) << 28) | // tens of frames - ( ((frame % fps) % 10) << 24) | // units of frames - (0 << 23) | // field phase (NTSC), b0 (PAL) - ((((frame / fps) % 60) / 10) << 20) | // tens of seconds - ((((frame / fps) % 60) % 10) << 16) | // units of seconds - (0 << 15) | // b0 (NTSC), b2 (PAL) - ((((frame / (fps * 60)) % 60) / 10) << 12) | // tens of minutes - ((((frame / (fps * 60)) % 60) % 10) << 8) | // units of minutes - (0 << 7) | // b1 - (0 << 6) | // b2 (NTSC), field phase (PAL) - ((((frame / (fps * 3600) % 24)) / 10) << 4) | // tens of hours - ( (frame / (fps * 3600) % 24)) % 10; // units of hours -} - static void mxf_write_system_item(AVFormatContext *s) { MXFContext *mxf = s->priv_data; @@ -1592,7 +1575,8 @@ 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 = ff_framenum_to_12m_time_code(frame, mxf->timecode_drop_frame, mxf->timecode_base); + time_code = ff_framenum_to_smtpe_timecode(frame, mxf->timecode_base, + mxf->timecode_drop_frame); avio_wb32(pb, time_code); avio_wb32(pb, 0); // binary group data avio_wb64(pb, 0); |