FFmpeg
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
Data Structures | Macros | Functions | Variables
libx264.c File Reference
#include "libavutil/eval.h"
#include "libavutil/internal.h"
#include "libavutil/opt.h"
#include "libavutil/mem.h"
#include "libavutil/pixdesc.h"
#include "libavutil/stereo3d.h"
#include "avcodec.h"
#include "internal.h"
#include <x264.h>
#include <float.h>
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

Go to the source code of this file.

Data Structures

struct  X264Context
 

Macros

#define OPT_STR(opt, param)
 
#define PARSE_X264_OPT(name, var)
 
#define OFFSET(x)   offsetof(X264Context, x)
 
#define VE   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
 

Functions

static void X264_log (void *p, int level, const char *fmt, va_list args)
 
static int encode_nals (AVCodecContext *ctx, AVPacket *pkt, const x264_nal_t *nals, int nnal)
 
static int avfmt2_num_planes (int avfmt)
 
static int X264_frame (AVCodecContext *ctx, AVPacket *pkt, const AVFrame *frame, int *got_packet)
 
static av_cold int X264_close (AVCodecContext *avctx)
 
static int convert_pix_fmt (enum AVPixelFormat pix_fmt)
 
static av_cold int X264_init (AVCodecContext *avctx)
 
static av_cold void X264_init_static (AVCodec *codec)
 

Variables

static enum AVPixelFormat pix_fmts_8bit []
 
static enum AVPixelFormat pix_fmts_9bit []
 
static enum AVPixelFormat pix_fmts_10bit []
 
static enum AVPixelFormat pix_fmts_8bit_rgb []
 
static const AVOption options []
 
static const AVClass x264_class
 
static const AVClass rgbclass
 
static const AVCodecDefault x264_defaults []
 
AVCodec ff_libx264_encoder
 
AVCodec ff_libx264rgb_encoder
 

Macro Definition Documentation

#define OPT_STR (   opt,
  param 
)
Value:
do { \
int ret; \
if (param && (ret = x264_param_parse(&x4->params, opt, param)) < 0) { \
if(ret == X264_PARAM_BAD_NAME) \
av_log(avctx, AV_LOG_ERROR, \
"bad option '%s': '%s'\n", opt, param); \
else \
av_log(avctx, AV_LOG_ERROR, \
"bad value for '%s': '%s'\n", opt, param); \
return -1; \
} \
} while (0)
if
if()
Definition: avfilter.c:975
av_log
#define av_log(a,...)
Definition: tableprint_vlc.h:28
AV_LOG_ERROR
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
return
return
Definition: audio_convert.c:415
ret
ret
Definition: avfilter.c:974

Definition at line 321 of file libx264.c.

Referenced by X264_init().

#define PARSE_X264_OPT (   name,
  var 
)
Value:
if (x4->var && x264_param_parse(&x4->params, name, x4->var) < 0) {\
av_log(avctx, AV_LOG_ERROR, "Error parsing option '%s' with value '%s'.\n", name, x4->var);\
return AVERROR(EINVAL);\
}
av_log
#define av_log(a,...)
Definition: tableprint_vlc.h:28
AV_LOG_ERROR
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
AVERROR
#define AVERROR(e)
Definition: error.h:43
return
return
Definition: audio_convert.c:415
name
const char * name
Definition: opengl_enc.c:103

Definition at line 365 of file libx264.c.

Referenced by X264_init().

#define OFFSET (   x)    offsetof(X264Context, x)

Definition at line 773 of file libx264.c.

#define VE   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM

Definition at line 774 of file libx264.c.

Function Documentation

static void X264_log ( void *  p,
int  level,
const char *  fmt,
va_list  args 
)
static

Definition at line 87 of file libx264.c.

Referenced by X264_init().

static int encode_nals ( AVCodecContext *  ctx,
AVPacket *  pkt,
const x264_nal_t *  nals,
int  nnal 
)
static

Definition at line 103 of file libx264.c.

Referenced by X264_frame().

static int avfmt2_num_planes ( int  avfmt)
static

Definition at line 141 of file libx264.c.

Referenced by X264_frame().

static int X264_frame ( AVCodecContext *  ctx,
AVPacket *  pkt,
const AVFrame *  frame,
int *  got_packet 
)
static

Definition at line 161 of file libx264.c.

static av_cold int X264_close ( AVCodecContext *  avctx)
static

Definition at line 304 of file libx264.c.

static int convert_pix_fmt ( enum AVPixelFormat  pix_fmt)
static

Definition at line 335 of file libx264.c.

Referenced by X264_init().

static av_cold int X264_init ( AVCodecContext *  avctx)
static

Definition at line 371 of file libx264.c.

static av_cold void X264_init_static ( AVCodec *  codec)
static

Definition at line 763 of file libx264.c.

Variable Documentation

enum AVPixelFormat pix_fmts_8bit[]
static
Initial value:
= {
AV_PIX_FMT_YUV420P,
AV_PIX_FMT_YUVJ420P,
AV_PIX_FMT_YUV422P,
AV_PIX_FMT_YUVJ422P,
AV_PIX_FMT_YUV444P,
AV_PIX_FMT_YUVJ444P,
AV_PIX_FMT_NV12,
AV_PIX_FMT_NV16,
AV_PIX_FMT_NONE
}
AV_PIX_FMT_YUV444P
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:68
AV_PIX_FMT_YUVJ422P
planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV422P and setting col...
Definition: pixfmt.h:76
AV_PIX_FMT_NV12
planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 plane for the UV components, which are interleaved (firs...
Definition: pixfmt.h:91
AV_PIX_FMT_YUV422P
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:67
AV_PIX_FMT_YUVJ420P
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
Definition: pixfmt.h:75
AV_PIX_FMT_YUV420P
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:63
AV_PIX_FMT_YUVJ444P
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting col...
Definition: pixfmt.h:77
AV_PIX_FMT_NV16
interleaved chroma YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:215

Definition at line 731 of file libx264.c.

Referenced by X264_init_static().

enum AVPixelFormat pix_fmts_9bit[]
static
Initial value:
= {
AV_PIX_FMT_YUV420P9,
AV_PIX_FMT_YUV444P9,
AV_PIX_FMT_NONE
}
AV_PIX_FMT_YUV444P9
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:363
AV_PIX_FMT_YUV420P9
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:361

Definition at line 742 of file libx264.c.

Referenced by X264_init_static().

enum AVPixelFormat pix_fmts_10bit[]
static
Initial value:
= {
AV_PIX_FMT_YUV420P10,
AV_PIX_FMT_YUV422P10,
AV_PIX_FMT_YUV444P10,
AV_PIX_FMT_NV20,
AV_PIX_FMT_NONE
}
AV_PIX_FMT_NV20
#define AV_PIX_FMT_NV20
Definition: pixfmt.h:403
AV_PIX_FMT_YUV444P10
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:367
AV_PIX_FMT_YUV420P10
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:364
AV_PIX_FMT_YUV422P10
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:365

Definition at line 747 of file libx264.c.

Referenced by X264_init_static().

enum AVPixelFormat pix_fmts_8bit_rgb[]
static
Initial value:
= {
AV_PIX_FMT_NONE
}

Definition at line 754 of file libx264.c.

const AVOption options[]
static

Definition at line 775 of file libx264.c.

const AVClass x264_class
static
Initial value:
= {
.class_name = "libx264",
.item_name = av_default_item_name,
.option = options,
.version = LIBAVUTIL_VERSION_INT,
}
LIBAVUTIL_VERSION_INT
#define LIBAVUTIL_VERSION_INT
Definition: version.h:62
av_default_item_name
av_default_item_name
Definition: libopenh264enc.c:59
options
static const AVOption options[]
Definition: libx264.c:775

Definition at line 837 of file libx264.c.

const AVClass rgbclass
static
Initial value:
= {
.class_name = "libx264rgb",
.item_name = av_default_item_name,
.option = options,
.version = LIBAVUTIL_VERSION_INT,
}
LIBAVUTIL_VERSION_INT
#define LIBAVUTIL_VERSION_INT
Definition: version.h:62
av_default_item_name
av_default_item_name
Definition: libopenh264enc.c:59
options
static const AVOption options[]
Definition: libx264.c:775

Definition at line 844 of file libx264.c.

const AVCodecDefault x264_defaults[]
static
Initial value:
= {
{ "b", "0" },
{ "bf", "-1" },
{ "flags2", "0" },
{ "g", "-1" },
{ "i_qfactor", "-1" },
{ "b_qfactor", "-1" },
{ "qmin", "-1" },
{ "qmax", "-1" },
{ "qdiff", "-1" },
{ "qblur", "-1" },
{ "qcomp", "-1" },
{ "refs", "-1" },
{ "sc_threshold", "-1" },
{ "trellis", "-1" },
{ "nr", "-1" },
{ "me_range", "-1" },
{ "me_method", "-1" },
{ "subq", "-1" },
{ "b_strategy", "-1" },
{ "keyint_min", "-1" },
{ "coder", "-1" },
{ "cmp", "-1" },
{ "threads", AV_STRINGIFY(X264_THREADS_AUTO) },
{ "thread_type", "0" },
{ "flags", "+cgop" },
{ "rc_init_occupancy","-1" },
{ NULL },
}
NULL
#define NULL
Definition: coverity.c:32
AV_STRINGIFY
#define AV_STRINGIFY(s)
Definition: macros.h:36

Definition at line 851 of file libx264.c.

AVCodec ff_libx264_encoder
Initial value:
= {
.name = "libx264",
.long_name = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_H264,
.priv_data_size = sizeof(X264Context),
.init = X264_init,
.encode2 = X264_frame,
.close = X264_close,
.capabilities = CODEC_CAP_DELAY | CODEC_CAP_AUTO_THREADS,
.priv_class = &x264_class,
.defaults = x264_defaults,
.init_static_data = X264_init_static,
.caps_internal = FF_CODEC_CAP_INIT_THREADSAFE |
FF_CODEC_CAP_INIT_CLEANUP,
}
FF_CODEC_CAP_INIT_CLEANUP
#define FF_CODEC_CAP_INIT_CLEANUP
The codec allows calling the close function for deallocation even if the init function returned a fai...
Definition: internal.h:48
init
static av_cold int init(AVCodecContext *avctx)
Definition: avrndec.c:35
AV_CODEC_ID_H264
Definition: avcodec.h:135
X264_init
static av_cold int X264_init(AVCodecContext *avctx)
Definition: libx264.c:371
FF_CODEC_CAP_INIT_THREADSAFE
#define FF_CODEC_CAP_INIT_THREADSAFE
The codec does not modify any global variables in the init function, allowing to call the init functi...
Definition: internal.h:40
init_static_data
static av_cold void init_static_data(void)
Definition: dsddec.c:82
CODEC_CAP_DELAY
#define CODEC_CAP_DELAY
Encoder or decoder requires flushing with NULL input at the end in order to give the complete and cor...
Definition: avcodec.h:824
NULL_IF_CONFIG_SMALL
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:175
x264_class
static const AVClass x264_class
Definition: libx264.c:837
CODEC_CAP_AUTO_THREADS
#define CODEC_CAP_AUTO_THREADS
Codec supports avctx->thread_count == 0 (auto).
Definition: avcodec.h:878
x264_defaults
static const AVCodecDefault x264_defaults[]
Definition: libx264.c:851
X264_close
static av_cold int X264_close(AVCodecContext *avctx)
Definition: libx264.c:304
X264_init_static
static av_cold void X264_init_static(AVCodec *codec)
Definition: libx264.c:763
AVMEDIA_TYPE_VIDEO
Definition: avutil.h:194
X264_frame
static int X264_frame(AVCodecContext *ctx, AVPacket *pkt, const AVFrame *frame, int *got_packet)
Definition: libx264.c:161
defaults
static const AVCodecDefault defaults[]
Definition: dcaenc.c:950

Definition at line 882 of file libx264.c.

AVCodec ff_libx264rgb_encoder
Initial value:
= {
.name = "libx264rgb",
.long_name = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 RGB"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_H264,
.priv_data_size = sizeof(X264Context),
.init = X264_init,
.encode2 = X264_frame,
.close = X264_close,
.capabilities = CODEC_CAP_DELAY | CODEC_CAP_AUTO_THREADS,
.priv_class = &rgbclass,
.defaults = x264_defaults,
.pix_fmts = pix_fmts_8bit_rgb,
}
init
static av_cold int init(AVCodecContext *avctx)
Definition: avrndec.c:35
pix_fmts_8bit_rgb
static enum AVPixelFormat pix_fmts_8bit_rgb[]
Definition: libx264.c:754
AV_CODEC_ID_H264
Definition: avcodec.h:135
X264_init
static av_cold int X264_init(AVCodecContext *avctx)
Definition: libx264.c:371
rgbclass
static const AVClass rgbclass
Definition: libx264.c:844
CODEC_CAP_DELAY
#define CODEC_CAP_DELAY
Encoder or decoder requires flushing with NULL input at the end in order to give the complete and cor...
Definition: avcodec.h:824
NULL_IF_CONFIG_SMALL
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:175
CODEC_CAP_AUTO_THREADS
#define CODEC_CAP_AUTO_THREADS
Codec supports avctx->thread_count == 0 (auto).
Definition: avcodec.h:878
x264_defaults
static const AVCodecDefault x264_defaults[]
Definition: libx264.c:851
X264_close
static av_cold int X264_close(AVCodecContext *avctx)
Definition: libx264.c:304
AVMEDIA_TYPE_VIDEO
Definition: avutil.h:194
X264_frame
static int X264_frame(AVCodecContext *ctx, AVPacket *pkt, const AVFrame *frame, int *got_packet)
Definition: libx264.c:161
defaults
static const AVCodecDefault defaults[]
Definition: dcaenc.c:950

Definition at line 899 of file libx264.c.

Generated on Wed Jun 10 2015 01:57:07 for FFmpeg by   doxygen 1.8.6