mirror of
https://github.com/xenia-project/FFmpeg.git
synced 2024-11-24 12:09:55 +00:00
197 lines
8.1 KiB
C
197 lines
8.1 KiB
C
/*
|
|
* nut
|
|
* Copyright (c) 2004-2007 Michael Niedermayer
|
|
*
|
|
* This file is part of Libav.
|
|
*
|
|
* 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.
|
|
*
|
|
* 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 Libav; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include "libavutil/mathematics.h"
|
|
#include "libavutil/tree.h"
|
|
#include "nut.h"
|
|
#include "riff.h"
|
|
#include "internal.h"
|
|
|
|
const AVCodecTag ff_nut_subtitle_tags[] = {
|
|
{ AV_CODEC_ID_TEXT , MKTAG('U', 'T', 'F', '8') },
|
|
{ AV_CODEC_ID_SSA , MKTAG('S', 'S', 'A', 0 ) },
|
|
{ AV_CODEC_ID_DVD_SUBTITLE, MKTAG('D', 'V', 'D', 'S') },
|
|
{ AV_CODEC_ID_DVB_SUBTITLE, MKTAG('D', 'V', 'B', 'S') },
|
|
{ AV_CODEC_ID_NONE , 0 }
|
|
};
|
|
|
|
const AVCodecTag ff_nut_video_tags[] = {
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 15 ) },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 15 ) },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 16 ) },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 16 ) },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG(15 , 'B', 'G', 'R') },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG(15 , 'R', 'G', 'B') },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG(16 , 'B', 'G', 'R') },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG(16 , 'R', 'G', 'B') },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 12 ) },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 12 ) },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG(12 , 'B', 'G', 'R') },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG(12 , 'R', 'G', 'B') },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 'A') },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 'A') },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'B', 'G', 'R') },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'R', 'G', 'B') },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 24 ) },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 24 ) },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG('4', '1', '1', 'P') },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG('4', '2', '2', 'P') },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG('4', '2', '2', 'P') },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG('4', '4', '0', 'P') },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG('4', '4', '0', 'P') },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG('4', '4', '4', 'P') },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG('4', '4', '4', 'P') },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG('B', '1', 'W', '0') },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG('B', '0', 'W', '1') },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 8 ) },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 8 ) },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 4 ) },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 4 ) },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG('B', '4', 'B', 'Y') },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG('R', '4', 'B', 'Y') },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 48 ) },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 48 ) },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG(48 , 'B', 'G', 'R') },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG(48 , 'R', 'G', 'B') },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '3', 11 , 10 ) },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG(10 , 11 , '3', 'Y') },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '3', 10 , 10 ) },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG(10 , 10 , '3', 'Y') },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '3', 0 , 10 ) },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG(10 , 0 , '3', 'Y') },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '1', 0 , 16 ) },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG(16 , 0 , '1', 'Y') },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '3', 11 , 16 ) },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG(16 , 11 , '3', 'Y') },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '3', 10 , 16 ) },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG(16 , 10 , '3', 'Y') },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '3', 0 , 16 ) },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG(16 , 0 , '3', 'Y') },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '4', 11 , 8 ) },
|
|
{ AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '2', 0 , 8 ) },
|
|
{ AV_CODEC_ID_NONE , 0 }
|
|
};
|
|
|
|
const AVCodecTag ff_nut_audio_tags[] = {
|
|
{ AV_CODEC_ID_PCM_ALAW, MKTAG('A', 'L', 'A', 'W') },
|
|
{ AV_CODEC_ID_PCM_MULAW, MKTAG('U', 'L', 'A', 'W') },
|
|
{ AV_CODEC_ID_PCM_F32BE, MKTAG(32 , 'D', 'F', 'P') },
|
|
{ AV_CODEC_ID_PCM_F32LE, MKTAG('P', 'F', 'D', 32 ) },
|
|
{ AV_CODEC_ID_PCM_F64BE, MKTAG(64 , 'D', 'F', 'P') },
|
|
{ AV_CODEC_ID_PCM_F64LE, MKTAG('P', 'F', 'D', 64 ) },
|
|
{ AV_CODEC_ID_PCM_S16BE, MKTAG(16 , 'D', 'S', 'P') },
|
|
{ AV_CODEC_ID_PCM_S16LE, MKTAG('P', 'S', 'D', 16 ) },
|
|
{ AV_CODEC_ID_PCM_S24BE, MKTAG(24 , 'D', 'S', 'P') },
|
|
{ AV_CODEC_ID_PCM_S24LE, MKTAG('P', 'S', 'D', 24 ) },
|
|
{ AV_CODEC_ID_PCM_S32BE, MKTAG(32 , 'D', 'S', 'P') },
|
|
{ AV_CODEC_ID_PCM_S32LE, MKTAG('P', 'S', 'D', 32 ) },
|
|
{ AV_CODEC_ID_PCM_S8, MKTAG('P', 'S', 'D', 8 ) },
|
|
{ AV_CODEC_ID_PCM_U16BE, MKTAG(16 , 'D', 'U', 'P') },
|
|
{ AV_CODEC_ID_PCM_U16LE, MKTAG('P', 'U', 'D', 16 ) },
|
|
{ AV_CODEC_ID_PCM_U24BE, MKTAG(24 , 'D', 'U', 'P') },
|
|
{ AV_CODEC_ID_PCM_U24LE, MKTAG('P', 'U', 'D', 24 ) },
|
|
{ AV_CODEC_ID_PCM_U32BE, MKTAG(32 , 'D', 'U', 'P') },
|
|
{ AV_CODEC_ID_PCM_U32LE, MKTAG('P', 'U', 'D', 32 ) },
|
|
{ AV_CODEC_ID_PCM_U8, MKTAG('P', 'U', 'D', 8 ) },
|
|
{ AV_CODEC_ID_PCM_S16LE_PLANAR, MKTAG('P', 'S', 'P', 16 ) },
|
|
{ AV_CODEC_ID_NONE, 0 }
|
|
};
|
|
|
|
const AVCodecTag * const ff_nut_codec_tags[] = {
|
|
ff_nut_video_tags, ff_nut_audio_tags, ff_nut_subtitle_tags,
|
|
ff_codec_bmp_tags, ff_codec_wav_tags, 0
|
|
};
|
|
|
|
void ff_nut_reset_ts(NUTContext *nut, AVRational time_base, int64_t val){
|
|
int i;
|
|
for(i=0; i<nut->avf->nb_streams; i++){
|
|
nut->stream[i].last_pts= av_rescale_rnd(
|
|
val,
|
|
time_base.num * (int64_t)nut->stream[i].time_base->den,
|
|
time_base.den * (int64_t)nut->stream[i].time_base->num,
|
|
AV_ROUND_DOWN);
|
|
}
|
|
}
|
|
|
|
int64_t ff_lsb2full(StreamContext *stream, int64_t lsb){
|
|
int64_t mask = (1<<stream->msb_pts_shift)-1;
|
|
int64_t delta= stream->last_pts - mask/2;
|
|
return ((lsb - delta)&mask) + delta;
|
|
}
|
|
|
|
int ff_nut_sp_pos_cmp(const Syncpoint *a, const Syncpoint *b){
|
|
return ((a->pos - b->pos) >> 32) - ((b->pos - a->pos) >> 32);
|
|
}
|
|
|
|
int ff_nut_sp_pts_cmp(const Syncpoint *a, const Syncpoint *b){
|
|
return ((a->ts - b->ts) >> 32) - ((b->ts - a->ts) >> 32);
|
|
}
|
|
|
|
void ff_nut_add_sp(NUTContext *nut, int64_t pos, int64_t back_ptr, int64_t ts){
|
|
Syncpoint *sp= av_mallocz(sizeof(Syncpoint));
|
|
struct AVTreeNode *node = av_tree_node_alloc();
|
|
|
|
sp->pos= pos;
|
|
sp->back_ptr= back_ptr;
|
|
sp->ts= ts;
|
|
av_tree_insert(&nut->syncpoints, sp, (void *) ff_nut_sp_pos_cmp, &node);
|
|
if(node){
|
|
av_free(sp);
|
|
av_free(node);
|
|
}
|
|
}
|
|
|
|
static int enu_free(void *opaque, void *elem)
|
|
{
|
|
av_free(elem);
|
|
return 0;
|
|
}
|
|
|
|
void ff_nut_free_sp(NUTContext *nut)
|
|
{
|
|
av_tree_enumerate(nut->syncpoints, NULL, NULL, enu_free);
|
|
av_tree_destroy(nut->syncpoints);
|
|
}
|
|
|
|
const Dispositions ff_nut_dispositions[] = {
|
|
{"default" , AV_DISPOSITION_DEFAULT},
|
|
{"dub" , AV_DISPOSITION_DUB},
|
|
{"original" , AV_DISPOSITION_ORIGINAL},
|
|
{"comment" , AV_DISPOSITION_COMMENT},
|
|
{"lyrics" , AV_DISPOSITION_LYRICS},
|
|
{"karaoke" , AV_DISPOSITION_KARAOKE},
|
|
{"" , 0}
|
|
};
|
|
|
|
const AVMetadataConv ff_nut_metadata_conv[] = {
|
|
{ "Author", "artist" },
|
|
{ "X-CreationTime", "date" },
|
|
{ "CreationTime", "date" },
|
|
{ "SourceFilename", "filename" },
|
|
{ "X-Language", "language" },
|
|
{ "X-Disposition", "disposition" },
|
|
{ "X-Replaces", "replaces" },
|
|
{ "X-Depends", "depends" },
|
|
{ "X-Uses", "uses" },
|
|
{ "X-UsesFont", "usesfont" },
|
|
{ 0 },
|
|
};
|