falkTX
/
FFmpeg
mirror of https://github.com/falkTX/FFmpeg.git
1
0
Fork 0
Code Issues 0 Releases 338 Wiki Activity
Browse Source

lavc: export DV profile API used by muxer/demuxer as public

tags/n2.3
Anton Khirnov 11 years ago
parent
3f3232a371
commit
f6ee61fb05
13 changed files with 121 additions and 48 deletions
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. +5
    -2
      configure
  2. +3
    -0
      doc/APIchanges
  3. +4
    -4
      libavcodec/Makefile
  4. +2
    -2
      libavcodec/dv.c
  5. +3
    -3
      libavcodec/dv.h
  6. +41
    -16
      libavcodec/dv_profile.c
  7. +21
    -8
      libavcodec/dv_profile.h
  8. +27
    -0
      libavcodec/dv_profile_internal.h
  9. +1
    -1
      libavcodec/dvdec.c
  10. +1
    -0
      libavcodec/dvenc.c
  11. +2
    -2
      libavcodec/version.h
  12. +8
    -7
      libavformat/dv.c
  13. +3
    -3
      libavformat/dvenc.c

+ 5
- 2
configure View File

@@ -1534,6 +1534,7 @@ CONFIG_EXTRA="
bswapdsp
cabac
dsputil
dvprofile
fdctdsp
gcrypt
golomb
@@ -1749,8 +1750,8 @@ cscd_decoder_suggest="zlib"
dca_decoder_select="mdct"
dnxhd_decoder_select="blockdsp idctdsp"
dnxhd_encoder_select="aandcttables blockdsp dsputil fdctdsp idctdsp mpegvideoenc"
dvvideo_decoder_select="idctdsp"
dvvideo_encoder_select="dsputil fdctdsp"
dvvideo_decoder_select="dvprofile idctdsp"
dvvideo_encoder_select="dsputil dvprofile fdctdsp"
dxa_decoder_deps="zlib"
eac3_decoder_select="ac3_decoder"
eac3_encoder_select="ac3_encoder"
@@ -2007,6 +2008,8 @@ avisynth_demuxer_deps="avisynth"
avisynth_demuxer_select="riffdec"
caf_demuxer_select="riffdec"
dirac_demuxer_select="dirac_parser"
dv_demuxer_select="dvprofile"
dv_muxer_select="dvprofile"
dxa_demuxer_select="riffdec"
eac3_demuxer_select="ac3_parser"
f4v_muxer_select="mov_muxer"


+ 3
- 0
doc/APIchanges View File

@@ -13,6 +13,9 @@ libavutil: 2013-12-xx

API changes, most recent first:

2014-07-xx - xxxxxxx - lavc 55.56.0 - dv_profile.h
Add a public API for DV profile handling.

2014-06-xx - xxxxxxx - lavu 53.17.0 - imgutils.h
Add av_image_check_sar().



+ 4
- 4
libavcodec/Makefile View File

@@ -2,6 +2,7 @@ NAME = avcodec

HEADERS = avcodec.h \
avfft.h \
dv_profile.h \
dxva2.h \
vaapi.h \
vda.h \
@@ -15,6 +16,7 @@ OBJS = allcodecs.o \
bitstream.o \
bitstream_filter.o \
codec_desc.o \
dv_profile.o \
fmtconvert.o \
imgconvert.o \
log2_tab.o \
@@ -164,8 +166,8 @@ OBJS-$(CONFIG_DVBSUB_DECODER) += dvbsubdec.o
OBJS-$(CONFIG_DVBSUB_ENCODER) += dvbsub.o
OBJS-$(CONFIG_DVDSUB_DECODER) += dvdsubdec.o
OBJS-$(CONFIG_DVDSUB_ENCODER) += dvdsubenc.o
OBJS-$(CONFIG_DVVIDEO_DECODER) += dvdec.o dv.o dvdata.o dv_profile.o
OBJS-$(CONFIG_DVVIDEO_ENCODER) += dvenc.o dv.o dvdata.o dv_profile.o
OBJS-$(CONFIG_DVVIDEO_DECODER) += dvdec.o dv.o dvdata.o
OBJS-$(CONFIG_DVVIDEO_ENCODER) += dvenc.o dv.o dvdata.o
OBJS-$(CONFIG_DXA_DECODER) += dxa.o
OBJS-$(CONFIG_DXTORY_DECODER) += dxtory.o
OBJS-$(CONFIG_EAC3_DECODER) += eac3dec.o eac3_data.o
@@ -557,8 +559,6 @@ OBJS-$(CONFIG_ADTS_MUXER) += mpeg4audio.o
OBJS-$(CONFIG_ADX_DEMUXER) += adx.o
OBJS-$(CONFIG_CAF_DEMUXER) += mpeg4audio.o mpegaudiodata.o \
ac3tab.o
OBJS-$(CONFIG_DV_DEMUXER) += dv_profile.o
OBJS-$(CONFIG_DV_MUXER) += dv_profile.o
OBJS-$(CONFIG_FLAC_DEMUXER) += flac.o flacdata.o \
vorbis_parser.o xiph.o
OBJS-$(CONFIG_FLAC_MUXER) += flac.o flacdata.o


+ 2
- 2
libavcodec/dv.c View File

@@ -51,7 +51,7 @@
/* XXX: also include quantization */
RL_VLC_ELEM ff_dv_rl_vlc[1184];

static inline void dv_calc_mb_coordinates(const DVprofile *d, int chan, int seq, int slot,
static inline void dv_calc_mb_coordinates(const AVDVProfile *d, int chan, int seq, int slot,
uint16_t *tbl)
{
static const uint8_t off[] = { 2, 6, 8, 0, 4 };
@@ -175,7 +175,7 @@ static const uint8_t dv100_qstep[16] = {

static const uint8_t dv_quant_areas[4] = { 6, 21, 43, 64 };

int ff_dv_init_dynamic_tables(DVVideoContext *ctx, const DVprofile *d)
int ff_dv_init_dynamic_tables(DVVideoContext *ctx, const AVDVProfile *d)
{
int j,i,c,s,p;
uint32_t *factor1, *factor2;


+ 3
- 3
libavcodec/dv.h View File

@@ -38,7 +38,7 @@ typedef struct DVwork_chunk {
} DVwork_chunk;

typedef struct DVVideoContext {
const DVprofile *sys;
const AVDVProfile *sys;
AVFrame *frame;
AVCodecContext *avctx;
uint8_t *buf;
@@ -98,10 +98,10 @@ enum dv_pack_type {

extern RL_VLC_ELEM ff_dv_rl_vlc[1184];

int ff_dv_init_dynamic_tables(DVVideoContext *s, const DVprofile *d);
int ff_dv_init_dynamic_tables(DVVideoContext *s, const AVDVProfile *d);
int ff_dvvideo_init(AVCodecContext *avctx);

static inline int dv_work_pool_size(const DVprofile *d)
static inline int dv_work_pool_size(const AVDVProfile *d)
{
int size = d->n_difchan*d->difseg_size*27;
if (DV_PROFILE_IS_1080i50(d))


+ 41
- 16
libavcodec/dv_profile.c View File

@@ -18,11 +18,16 @@

#include <stdint.h>

#include "config.h"

#include "libavutil/common.h"
#include "libavutil/log.h"
#include "libavutil/pixdesc.h"
#include "avcodec.h"
#include "dv_profile.h"
#include "dv_profile_internal.h"

#if CONFIG_DVPROFILE

static const uint8_t dv_audio_shuffle525[10][9] = {
{ 0, 30, 60, 20, 50, 80, 10, 40, 70 }, /* 1st channel */
@@ -63,7 +68,7 @@ static const uint8_t block_sizes_dv100[8] = {
80, 80, 80, 80, 80, 80, 64, 64,
};

static const DVprofile dv_profiles[] = {
static const AVDVProfile dv_profiles[] = {
{ .dsf = 0,
.video_stype = 0x0,
.frame_size = 120000, /* IEC 61834, SMPTE-314M - 525/60 (NTSC) */
@@ -246,9 +251,23 @@ static const DVprofile dv_profiles[] = {
}
};

const DVprofile* avpriv_dv_frame_profile(const DVprofile *sys,
const uint8_t* frame, unsigned buf_size)
void ff_dv_print_profiles(void *logctx, int loglevel)
{
int i;
for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++) {
const AVDVProfile *p = &dv_profiles[i];
av_log(logctx, loglevel, "Frame size: %dx%d; pixel format: %s, "
"framerate: %d/%d\n", p->width, p->height, av_get_pix_fmt_name(p->pix_fmt),
p->time_base.den, p->time_base.num);
}
}

#endif /* CONFIG_DVPROFILE */

const AVDVProfile *av_dv_frame_profile(const AVDVProfile *sys,
const uint8_t* frame, unsigned buf_size)
{
#if CONFIG_DVPROFILE
int i, dsf, stype;

if (buf_size < 80 * 5 + 48 + 4)
@@ -269,30 +288,36 @@ const DVprofile* avpriv_dv_frame_profile(const DVprofile *sys,
/* check if old sys matches and assumes corrupted input */
if (sys && buf_size == sys->frame_size)
return sys;
#endif

return NULL;
}

const DVprofile* avpriv_dv_codec_profile(AVCodecContext* codec)
const AVDVProfile *av_dv_codec_profile(int width, int height,
enum AVPixelFormat pix_fmt)
{
#if CONFIG_DVPROFILE
int i;

for (i=0; i<FF_ARRAY_ELEMS(dv_profiles); i++)
if (codec->height == dv_profiles[i].height &&
codec->pix_fmt == dv_profiles[i].pix_fmt &&
codec->width == dv_profiles[i].width)
return &dv_profiles[i];
if (height == dv_profiles[i].height &&
pix_fmt == dv_profiles[i].pix_fmt &&
width == dv_profiles[i].width)
return &dv_profiles[i];
#endif

return NULL;
}

void ff_dv_print_profiles(void *logctx, int loglevel)
#if LIBAVCODEC_VERSION_MAJOR < 56
const AVDVProfile *avpriv_dv_frame_profile(const AVDVProfile *sys,
const uint8_t* frame, unsigned buf_size)
{
int i;
for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++) {
const DVprofile *p = &dv_profiles[i];
av_log(logctx, loglevel, "Frame size: %dx%d; pixel format: %s, "
"framerate: %d/%d\n", p->width, p->height, av_get_pix_fmt_name(p->pix_fmt),
p->time_base.den, p->time_base.num);
}
return av_dv_frame_profile(sys, frame, buf_size);
}

const AVDVProfile *avpriv_dv_codec_profile(AVCodecContext *codec)
{
return av_dv_codec_profile(codec->width, codec->height, codec->pix_fmt);
}
#endif

+ 21
- 8
libavcodec/dv_profile.h View File

@@ -26,12 +26,12 @@
#include "avcodec.h"

/*
* DVprofile is used to express the differences between various
* AVDVProfile is used to express the differences between various
* DV flavors. For now it's primarily used for differentiating
* 525/60 and 625/50, but the plans are to use it for various
* DV specs as well (e.g. SMPTE314M vs. IEC 61834).
*/
typedef struct DVprofile {
typedef struct AVDVProfile {
int dsf; /* value of the dsf in the DV header */
int video_stype; /* stype for VAUX source pack */
int frame_size; /* total size of one frame in bytes */
@@ -51,15 +51,28 @@ typedef struct DVprofile {
int audio_samples_dist[5]; /* how many samples are supposed to be */
/* in each frame in a 5 frames window */
const uint8_t (*audio_shuffle)[9]; /* PCM shuffling table */
} DVprofile;
} AVDVProfile;

const DVprofile* avpriv_dv_frame_profile(const DVprofile *sys,
const uint8_t* frame, unsigned buf_size);
const DVprofile* avpriv_dv_codec_profile(AVCodecContext* codec);
#if LIBAVCODEC_VERSION_MAJOR < 56
const AVDVProfile *avpriv_dv_frame_profile(const AVDVProfile *sys,
const uint8_t* frame, unsigned buf_size);
const AVDVProfile *avpriv_dv_codec_profile(AVCodecContext* codec);
#endif

/**
* Print all allowed DV profiles into logctx at specified logging level.
* Get a DV profile for the provided compressed frame.
*
* @param sys the profile used for the previous frame, may be NULL
* @param frame the compressed data buffer
* @param buf_size size of the buffer in bytes
* @return the DV profile for the supplied data or NULL on failure
*/
const AVDVProfile *av_dv_frame_profile(const AVDVProfile *sys,
const uint8_t *frame, unsigned buf_size);

/**
* Get a DV profile for the provided stream parameters.
*/
void ff_dv_print_profiles(void *logctx, int loglevel);
const AVDVProfile *av_dv_codec_profile(int width, int height, enum AVPixelFormat pix_fmt);

#endif /* AVCODEC_DV_PROFILE_H */

+ 27
- 0
libavcodec/dv_profile_internal.h View File

@@ -0,0 +1,27 @@
/*
* 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
*/

#ifndef AVCODEC_DV_PROFILE_INTERNAL_H
#define AVCODEC_DV_PROFILE_INTERNAL_H

/**
* Print all allowed DV profiles into logctx at specified logging level.
*/
void ff_dv_print_profiles(void *logctx, int loglevel);

#endif /* AVCODEC_DV_PROFILE_INTERNAL_H */

+ 1
- 1
libavcodec/dvdec.c View File

@@ -341,7 +341,7 @@ static int dvvideo_decode_frame(AVCodecContext *avctx,
DVVideoContext *s = avctx->priv_data;
const uint8_t* vsc_pack;
int apt, is16_9, ret;
const DVprofile *sys;
const AVDVProfile *sys;

sys = avpriv_dv_frame_profile(s->sys, buf, buf_size);
if (!sys || buf_size < sys->frame_size) {


+ 1
- 0
libavcodec/dvenc.c View File

@@ -34,6 +34,7 @@
#include "put_bits.h"
#include "dv.h"
#include "dv_tablegen.h"
#include "dv_profile_internal.h"

static av_cold int dvvideo_encode_init(AVCodecContext *avctx)
{


+ 2
- 2
libavcodec/version.h View File

@@ -29,8 +29,8 @@
#include "libavutil/version.h"

#define LIBAVCODEC_VERSION_MAJOR 55
#define LIBAVCODEC_VERSION_MINOR 55
#define LIBAVCODEC_VERSION_MICRO 2
#define LIBAVCODEC_VERSION_MINOR 56
#define LIBAVCODEC_VERSION_MICRO 0

#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
LIBAVCODEC_VERSION_MINOR, \


+ 8
- 7
libavformat/dv.c View File

@@ -39,7 +39,7 @@
#include "dv.h"

struct DVDemuxContext {
const DVprofile* sys; /* Current DV profile. E.g.: 525/60, 625/50 */
const AVDVProfile* sys; /* Current DV profile. E.g.: 525/60, 625/50 */
AVFormatContext* fctx;
AVStream* vst;
AVStream* ast[4];
@@ -109,7 +109,7 @@ static const int dv_audio_frequency[3] = {
* are converted into 16bit linear ones.
*/
static int dv_extract_audio(uint8_t *frame, uint8_t **ppcm,
const DVprofile *sys)
const AVDVProfile *sys)
{
int size, chan, i, j, d, of, smpls, freq, quant, half_ch;
uint16_t lc, rc;
@@ -347,7 +347,7 @@ int avpriv_dv_produce_packet(DVDemuxContext *c, AVPacket *pkt,
uint8_t *ppcm[5] = { 0 };

if (buf_size < DV_PROFILE_BYTES ||
!(c->sys = avpriv_dv_frame_profile(c->sys, buf, buf_size)) ||
!(c->sys = av_dv_frame_profile(c->sys, buf, buf_size)) ||
buf_size < c->sys->frame_size) {
return -1; /* Broken frame, or not enough data */
}
@@ -395,7 +395,8 @@ static int64_t dv_frame_offset(AVFormatContext *s, DVDemuxContext *c,
int64_t timestamp, int flags)
{
// FIXME: sys may be wrong if last dv_read_packet() failed (buffer is junk)
const DVprofile *sys = avpriv_dv_codec_profile(c->vst->codec);
const AVDVProfile *sys = av_dv_codec_profile(c->vst->codec->width, c->vst->codec->height,
c->vst->codec->pix_fmt);
int64_t offset;
int64_t size = avio_size(s->pb) - s->data_offset;
int64_t max_offset = ((size - 1) / sys->frame_size) * sys->frame_size;
@@ -460,9 +461,9 @@ static int dv_read_header(AVFormatContext *s)
avio_seek(s->pb, -DV_PROFILE_BYTES, SEEK_CUR) < 0)
return AVERROR(EIO);

c->dv_demux->sys = avpriv_dv_frame_profile(c->dv_demux->sys,
c->buf,
DV_PROFILE_BYTES);
c->dv_demux->sys = av_dv_frame_profile(c->dv_demux->sys,
c->buf,
DV_PROFILE_BYTES);
if (!c->dv_demux->sys) {
av_log(s, AV_LOG_ERROR,
"Can't determine profile of DV input stream.\n");


+ 3
- 3
libavformat/dvenc.c View File

@@ -41,7 +41,7 @@
#define MAX_AUDIO_FRAME_SIZE 192000 // 1 second of 48khz 32bit audio

struct DVMuxContext {
const DVprofile* sys; /* current DV profile, e.g.: 525/60, 625/50 */
const AVDVProfile* sys; /* current DV profile, e.g.: 525/60, 625/50 */
int n_ast; /* number of stereo audio streams (up to 2) */
AVStream *ast[2]; /* stereo audio streams */
AVFifoBuffer *audio_data[2]; /* FIFO for storing excessive amounts of PCM */
@@ -67,7 +67,7 @@ static const int dv_aaux_packs_dist[12][9] = {
{ 0x50, 0x51, 0x52, 0x53, 0xff, 0xff, 0xff, 0xff, 0xff },
};

static int dv_audio_frame_size(const DVprofile* sys, int frame)
static int dv_audio_frame_size(const AVDVProfile* sys, int frame)
{
return sys->audio_samples_dist[frame % (sizeof(sys->audio_samples_dist) /
sizeof(sys->audio_samples_dist[0]))];
@@ -328,7 +328,7 @@ static DVMuxContext* dv_init_mux(AVFormatContext* s)
c->ast[i]->codec->channels != 2))
goto bail_out;
}
c->sys = avpriv_dv_codec_profile(vst->codec);
c->sys = av_dv_codec_profile(vst->codec->width, vst->codec->height, vst->codec->pix_fmt);
if (!c->sys)
goto bail_out;



Write Preview
Loading…
Cancel
Save