FFmpeg
Data Structures | Macros | Typedefs | Enumerations | Functions | Variables
videotoolboxenc.c File Reference
#include <VideoToolbox/VideoToolbox.h>
#include <CoreVideo/CoreVideo.h>
#include <CoreMedia/CoreMedia.h>
#include <TargetConditionals.h>
#include <Availability.h>
#include "avcodec.h"
#include "libavutil/opt.h"
#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
#include "libavutil/pixdesc.h"
#include "internal.h"
#include <pthread.h>
#include "h264.h"
#include "h264_sei.h"
#include <dlfcn.h>

Go to the source code of this file.

Data Structures

struct  ExtraSEI
 
struct  BufNode
 
struct  VTEncContext
 

Macros

#define GET_SYM(symbol, defaultVal)
 
#define VE   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
 
#define COMMON_OPTIONS
 
#define OFFSET(x)   offsetof(VTEncContext, x)
 

Typedefs

typedef OSStatus(* getParameterSetAtIndex) (CMFormatDescriptionRef videoDesc, size_t parameterSetIndex, const uint8_t **parameterSetPointerOut, size_t *parameterSetSizeOut, size_t *parameterSetCountOut, int *NALUnitHeaderLengthOut)
 

Enumerations

enum  { kCMVideoCodecType_HEVC = 'hvc1' }
 
enum  { kCVPixelFormatType_420YpCbCr10BiPlanarFullRange = 'xf20' }
 
enum  { kCVPixelFormatType_420YpCbCr10BiPlanarVideoRange = 'x420' }
 
enum  VT_H264Profile {
  H264_PROF_AUTO, H264_PROF_BASELINE, H264_PROF_MAIN, H264_PROF_HIGH,
  H264_PROF_EXTENDED, H264_PROF_COUNT
}
 
enum  VTH264Entropy { VT_ENTROPY_NOT_SET, VT_CAVLC, VT_CABAC }
 
enum  VT_HEVCProfile { HEVC_PROF_AUTO, HEVC_PROF_MAIN, HEVC_PROF_MAIN10, HEVC_PROF_COUNT }
 

Functions

static void loadVTEncSymbols ()
 
static int vtenc_populate_extradata (AVCodecContext *avctx, CMVideoCodecType codec_type, CFStringRef profile_level, CFNumberRef gamma_level, CFDictionaryRef enc_info, CFDictionaryRef pixel_buffer_info)
 
static void vt_release_num (CFNumberRef *refPtr)
 NULL-safe release of *refPtr, and sets value to NULL. More...
 
static void set_async_error (VTEncContext *vtctx, int err)
 
static void clear_frame_queue (VTEncContext *vtctx)
 
static int vtenc_q_pop (VTEncContext *vtctx, bool wait, CMSampleBufferRef *buf, ExtraSEI **sei)
 
static void vtenc_q_push (VTEncContext *vtctx, CMSampleBufferRef buffer, ExtraSEI *sei)
 
static int count_nalus (size_t length_code_size, CMSampleBufferRef sample_buffer, int *count)
 
static CMVideoCodecType get_cm_codec_type (enum AVCodecID id)
 
static int get_params_size (AVCodecContext *avctx, CMVideoFormatDescriptionRef vid_fmt, size_t *size)
 Get the parameter sets from a CMSampleBufferRef. More...
 
static int copy_param_sets (AVCodecContext *avctx, CMVideoFormatDescriptionRef vid_fmt, uint8_t *dst, size_t dst_size)
 
static int set_extradata (AVCodecContext *avctx, CMSampleBufferRef sample_buffer)
 
static void vtenc_output_callback (void *ctx, void *sourceFrameCtx, OSStatus status, VTEncodeInfoFlags flags, CMSampleBufferRef sample_buffer)
 
static int get_length_code_size (AVCodecContext *avctx, CMSampleBufferRef sample_buffer, size_t *size)
 
static bool get_vt_h264_profile_level (AVCodecContext *avctx, CFStringRef *profile_level_val)
 
static bool get_vt_hevc_profile_level (AVCodecContext *avctx, CFStringRef *profile_level_val)
 
static int get_cv_pixel_format (AVCodecContext *avctx, enum AVPixelFormat fmt, enum AVColorRange range, int *av_pixel_format, int *range_guessed)
 
static void add_color_attr (AVCodecContext *avctx, CFMutableDictionaryRef dict)
 
static int create_cv_pixel_buffer_info (AVCodecContext *avctx, CFMutableDictionaryRef *dict)
 
static int get_cv_color_primaries (AVCodecContext *avctx, CFStringRef *primaries)
 
static int get_cv_transfer_function (AVCodecContext *avctx, CFStringRef *transfer_fnc, CFNumberRef *gamma_level)
 
static int get_cv_ycbcr_matrix (AVCodecContext *avctx, CFStringRef *matrix)
 
static int vtenc_create_encoder (AVCodecContext *avctx, CMVideoCodecType codec_type, CFStringRef profile_level, CFNumberRef gamma_level, CFDictionaryRef enc_info, CFDictionaryRef pixel_buffer_info, VTCompressionSessionRef *session)
 
static int vtenc_configure_encoder (AVCodecContext *avctx)
 
static av_cold int vtenc_init (AVCodecContext *avctx)
 
static void vtenc_get_frame_info (CMSampleBufferRef buffer, bool *is_key_frame)
 
static int is_post_sei_nal_type (int nal_type)
 
static int find_sei_end (AVCodecContext *avctx, uint8_t *nal_data, size_t nal_size, uint8_t **sei_end)
 
static int copy_emulation_prev (const uint8_t *src, size_t src_size, uint8_t *dst, ssize_t dst_offset, size_t dst_size)
 Copies the data inserting emulation prevention bytes as needed. More...
 
static int write_sei (const ExtraSEI *sei, int sei_type, uint8_t *dst, size_t dst_size)
 
static int copy_replace_length_codes (AVCodecContext *avctx, size_t length_code_size, CMSampleBufferRef sample_buffer, ExtraSEI *sei, uint8_t *dst_data, size_t dst_size)
 Copies NAL units and replaces length codes with H.264 Annex B start codes. More...
 
static int get_sei_msg_bytes (const ExtraSEI *sei, int type)
 Returns a sufficient number of bytes to contain the sei data. More...
 
static int vtenc_cm_to_avpacket (AVCodecContext *avctx, CMSampleBufferRef sample_buffer, AVPacket *pkt, ExtraSEI *sei)
 
static int get_cv_pixel_info (AVCodecContext *avctx, const AVFrame *frame, int *color, int *plane_count, size_t *widths, size_t *heights, size_t *strides, size_t *contiguous_buf_size)
 
static int copy_avframe_to_pixel_buffer (AVCodecContext *avctx, const AVFrame *frame, CVPixelBufferRef cv_img, const size_t *plane_strides, const size_t *plane_rows)
 
static int create_cv_pixel_buffer (AVCodecContext *avctx, const AVFrame *frame, CVPixelBufferRef *cv_img)
 
static int create_encoder_dict_h264 (const AVFrame *frame, CFDictionaryRef *dict_out)
 
static int vtenc_send_frame (AVCodecContext *avctx, VTEncContext *vtctx, const AVFrame *frame)
 
static av_cold int vtenc_frame (AVCodecContext *avctx, AVPacket *pkt, const AVFrame *frame, int *got_packet)
 
static av_cold int vtenc_close (AVCodecContext *avctx)
 

Variables

struct {
   CFStringRef   kCVImageBufferColorPrimaries_ITU_R_2020
 
   CFStringRef   kCVImageBufferTransferFunction_ITU_R_2020
 
   CFStringRef   kCVImageBufferYCbCrMatrix_ITU_R_2020
 
   CFStringRef   kVTCompressionPropertyKey_H264EntropyMode
 
   CFStringRef   kVTH264EntropyMode_CAVLC
 
   CFStringRef   kVTH264EntropyMode_CABAC
 
   CFStringRef   kVTProfileLevel_H264_Baseline_4_0
 
   CFStringRef   kVTProfileLevel_H264_Baseline_4_2
 
   CFStringRef   kVTProfileLevel_H264_Baseline_5_0
 
   CFStringRef   kVTProfileLevel_H264_Baseline_5_1
 
   CFStringRef   kVTProfileLevel_H264_Baseline_5_2
 
   CFStringRef   kVTProfileLevel_H264_Baseline_AutoLevel
 
   CFStringRef   kVTProfileLevel_H264_Main_4_2
 
   CFStringRef   kVTProfileLevel_H264_Main_5_1
 
   CFStringRef   kVTProfileLevel_H264_Main_5_2
 
   CFStringRef   kVTProfileLevel_H264_Main_AutoLevel
 
   CFStringRef   kVTProfileLevel_H264_High_3_0
 
   CFStringRef   kVTProfileLevel_H264_High_3_1
 
   CFStringRef   kVTProfileLevel_H264_High_3_2
 
   CFStringRef   kVTProfileLevel_H264_High_4_0
 
   CFStringRef   kVTProfileLevel_H264_High_4_1
 
   CFStringRef   kVTProfileLevel_H264_High_4_2
 
   CFStringRef   kVTProfileLevel_H264_High_5_1
 
   CFStringRef   kVTProfileLevel_H264_High_5_2
 
   CFStringRef   kVTProfileLevel_H264_High_AutoLevel
 
   CFStringRef   kVTProfileLevel_H264_Extended_5_0
 
   CFStringRef   kVTProfileLevel_H264_Extended_AutoLevel
 
   CFStringRef   kVTProfileLevel_HEVC_Main_AutoLevel
 
   CFStringRef   kVTProfileLevel_HEVC_Main10_AutoLevel
 
   CFStringRef   kVTCompressionPropertyKey_RealTime
 
   CFStringRef   kVTVideoEncoderSpecification_EnableHardwareAcceleratedVideoEncoder
 
   CFStringRef   kVTVideoEncoderSpecification_RequireHardwareAcceleratedVideoEncoder
 
   getParameterSetAtIndex   CMVideoFormatDescriptionGetHEVCParameterSetAtIndex
 
compat_keys
 
static pthread_once_t once_ctrl = PTHREAD_ONCE_INIT
 
static const uint8_t start_code [] = { 0, 0, 0, 1 }
 
static enum AVPixelFormat avc_pix_fmts []
 
static enum AVPixelFormat hevc_pix_fmts []
 
static const AVOption h264_options []
 
static const AVClass h264_videotoolbox_class
 
AVCodec ff_h264_videotoolbox_encoder
 
static const AVOption hevc_options []
 
static const AVClass hevc_videotoolbox_class
 
AVCodec ff_hevc_videotoolbox_encoder
 

Macro Definition Documentation

#define GET_SYM (   symbol,
  defaultVal 
)
Value:
do{ \
CFStringRef* handle = (CFStringRef*)dlsym(RTLD_DEFAULT, #symbol); \
if(!handle) \
compat_keys.symbol = CFSTR(defaultVal); \
compat_keys.symbol = *handle; \
}while(0)
if(ret)
static struct @181 compat_keys

Definition at line 97 of file videotoolboxenc.c.

Referenced by loadVTEncSymbols().

Definition at line 2532 of file videotoolboxenc.c.

#define COMMON_OPTIONS
Value:
{ "allow_sw", "Allow software encoding", OFFSET(allow_sw), AV_OPT_TYPE_BOOL, \
{ .i64 = 0 }, 0, 1, VE }, \
{ "require_sw", "Require software encoding", OFFSET(require_sw), AV_OPT_TYPE_BOOL, \
{ .i64 = 0 }, 0, 1, VE }, \
{ "realtime", "Hint that encoding should happen in real-time if not faster (e.g. capturing from camera).", \
OFFSET(realtime), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE }, \
{ "frames_before", "Other frames will come before the frames in this session. This helps smooth concatenation issues.", \
OFFSET(frames_before), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE }, \
{ "frames_after", "Other frames will come after the frames in this session. This helps smooth concatenation issues.", \
OFFSET(frames_after), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
#define OFFSET(x)
#define VE

Definition at line 2533 of file videotoolboxenc.c.

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

Definition at line 2545 of file videotoolboxenc.c.

Typedef Documentation

typedef OSStatus(* getParameterSetAtIndex) (CMFormatDescriptionRef videoDesc, size_t parameterSetIndex, const uint8_t **parameterSetPointerOut, size_t *parameterSetSizeOut, size_t *parameterSetCountOut, int *NALUnitHeaderLengthOut)

Definition at line 47 of file videotoolboxenc.c.

Enumeration Type Documentation

anonymous enum
Enumerator
kCMVideoCodecType_HEVC 

Definition at line 39 of file videotoolboxenc.c.

anonymous enum
Enumerator
kCVPixelFormatType_420YpCbCr10BiPlanarFullRange 

Definition at line 43 of file videotoolboxenc.c.

anonymous enum
Enumerator
kCVPixelFormatType_420YpCbCr10BiPlanarVideoRange 

Definition at line 44 of file videotoolboxenc.c.

Enumerator
H264_PROF_AUTO 
H264_PROF_BASELINE 
H264_PROF_MAIN 
H264_PROF_HIGH 
H264_PROF_EXTENDED 
H264_PROF_COUNT 

Definition at line 156 of file videotoolboxenc.c.

Enumerator
VT_ENTROPY_NOT_SET 
VT_CAVLC 
VT_CABAC 

Definition at line 165 of file videotoolboxenc.c.

Enumerator
HEVC_PROF_AUTO 
HEVC_PROF_MAIN 
HEVC_PROF_MAIN10 
HEVC_PROF_COUNT 

Definition at line 171 of file videotoolboxenc.c.

Function Documentation

static void loadVTEncSymbols ( )
static

Definition at line 108 of file videotoolboxenc.c.

Referenced by vtenc_init().

static int vtenc_populate_extradata ( AVCodecContext avctx,
CMVideoCodecType  codec_type,
CFStringRef  profile_level,
CFNumberRef  gamma_level,
CFDictionaryRef  enc_info,
CFDictionaryRef  pixel_buffer_info 
)
static

Definition at line 2398 of file videotoolboxenc.c.

Referenced by vtenc_configure_encoder().

static void vt_release_num ( CFNumberRef *  refPtr)
static

NULL-safe release of *refPtr, and sets value to NULL.

Definition at line 241 of file videotoolboxenc.c.

Referenced by create_cv_pixel_buffer_info().

static void set_async_error ( VTEncContext vtctx,
int  err 
)
static

Definition at line 250 of file videotoolboxenc.c.

Referenced by clear_frame_queue(), vtenc_output_callback(), and vtenc_q_push().

static void clear_frame_queue ( VTEncContext vtctx)
static

Definition at line 271 of file videotoolboxenc.c.

Referenced by vtenc_close().

static int vtenc_q_pop ( VTEncContext vtctx,
bool  wait,
CMSampleBufferRef *  buf,
ExtraSEI **  sei 
)
static

Definition at line 276 of file videotoolboxenc.c.

Referenced by vtenc_frame(), and vtenc_populate_extradata().

static void vtenc_q_push ( VTEncContext vtctx,
CMSampleBufferRef  buffer,
ExtraSEI sei 
)
static

Definition at line 326 of file videotoolboxenc.c.

Referenced by vtenc_output_callback().

static int count_nalus ( size_t  length_code_size,
CMSampleBufferRef  sample_buffer,
int count 
)
static

Definition at line 353 of file videotoolboxenc.c.

Referenced by vtenc_cm_to_avpacket().

static CMVideoCodecType get_cm_codec_type ( enum AVCodecID  id)
static

Definition at line 392 of file videotoolboxenc.c.

Referenced by vtenc_configure_encoder().

static int get_params_size ( AVCodecContext avctx,
CMVideoFormatDescriptionRef  vid_fmt,
size_t *  size 
)
static

Get the parameter sets from a CMSampleBufferRef.

Parameters
dstIf *dst isn't NULL, the parameters are copied into existing memory. *dst_size must be set accordingly when *dst != NULL. If *dst is NULL, it will be allocated. In all cases, *dst_size is set to the number of bytes used starting at *dst.

Definition at line 409 of file videotoolboxenc.c.

Referenced by set_extradata(), and vtenc_cm_to_avpacket().

static int copy_param_sets ( AVCodecContext avctx,
CMVideoFormatDescriptionRef  vid_fmt,
uint8_t dst,
size_t  dst_size 
)
static

Definition at line 463 of file videotoolboxenc.c.

Referenced by set_extradata(), and vtenc_cm_to_avpacket().

static int set_extradata ( AVCodecContext avctx,
CMSampleBufferRef  sample_buffer 
)
static

Definition at line 527 of file videotoolboxenc.c.

Referenced by vtenc_output_callback().

static void vtenc_output_callback ( void ctx,
void sourceFrameCtx,
OSStatus  status,
VTEncodeInfoFlags  flags,
CMSampleBufferRef  sample_buffer 
)
static

Definition at line 561 of file videotoolboxenc.c.

Referenced by vtenc_create_encoder().

static int get_length_code_size ( AVCodecContext avctx,
CMSampleBufferRef  sample_buffer,
size_t *  size 
)
static

Definition at line 598 of file videotoolboxenc.c.

Referenced by vtenc_cm_to_avpacket().

static bool get_vt_h264_profile_level ( AVCodecContext avctx,
CFStringRef *  profile_level_val 
)
static

Definition at line 635 of file videotoolboxenc.c.

Referenced by vtenc_configure_encoder().

static bool get_vt_hevc_profile_level ( AVCodecContext avctx,
CFStringRef *  profile_level_val 
)
static

Definition at line 740 of file videotoolboxenc.c.

Referenced by vtenc_configure_encoder().

static int get_cv_pixel_format ( AVCodecContext avctx,
enum AVPixelFormat  fmt,
enum AVColorRange  range,
int av_pixel_format,
int range_guessed 
)
static

Definition at line 769 of file videotoolboxenc.c.

Referenced by create_cv_pixel_buffer_info(), and get_cv_pixel_info().

static void add_color_attr ( AVCodecContext avctx,
CFMutableDictionaryRef  dict 
)
static

Definition at line 799 of file videotoolboxenc.c.

Referenced by create_cv_pixel_buffer_info().

static int create_cv_pixel_buffer_info ( AVCodecContext avctx,
CFMutableDictionaryRef *  dict 
)
static

Definition at line 821 of file videotoolboxenc.c.

Referenced by vtenc_configure_encoder().

static int get_cv_color_primaries ( AVCodecContext avctx,
CFStringRef *  primaries 
)
static

Definition at line 888 of file videotoolboxenc.c.

Referenced by vtenc_configure_encoder().

static int get_cv_transfer_function ( AVCodecContext avctx,
CFStringRef *  transfer_fnc,
CFNumberRef *  gamma_level 
)
static

Definition at line 914 of file videotoolboxenc.c.

Referenced by vtenc_configure_encoder().

static int get_cv_ycbcr_matrix ( AVCodecContext avctx,
CFStringRef *  matrix 
)
static

Definition at line 977 of file videotoolboxenc.c.

Referenced by vtenc_configure_encoder().

static int vtenc_create_encoder ( AVCodecContext avctx,
CMVideoCodecType  codec_type,
CFStringRef  profile_level,
CFNumberRef  gamma_level,
CFDictionaryRef  enc_info,
CFDictionaryRef  pixel_buffer_info,
VTCompressionSessionRef *  session 
)
static

Definition at line 1008 of file videotoolboxenc.c.

Referenced by vtenc_configure_encoder(), and vtenc_populate_extradata().

static int vtenc_configure_encoder ( AVCodecContext avctx)
static

Definition at line 1313 of file videotoolboxenc.c.

Referenced by create_cv_pixel_buffer(), and vtenc_init().

static av_cold int vtenc_init ( AVCodecContext avctx)
static

Definition at line 1423 of file videotoolboxenc.c.

static void vtenc_get_frame_info ( CMSampleBufferRef  buffer,
bool *  is_key_frame 
)
static

Definition at line 1453 of file videotoolboxenc.c.

Referenced by vtenc_cm_to_avpacket().

static int is_post_sei_nal_type ( int  nal_type)
static

Definition at line 1480 of file videotoolboxenc.c.

Referenced by copy_replace_length_codes().

static int find_sei_end ( AVCodecContext avctx,
uint8_t nal_data,
size_t  nal_size,
uint8_t **  sei_end 
)
static

Definition at line 1491 of file videotoolboxenc.c.

Referenced by copy_replace_length_codes().

static int copy_emulation_prev ( const uint8_t src,
size_t  src_size,
uint8_t dst,
ssize_t  dst_offset,
size_t  dst_size 
)
static

Copies the data inserting emulation prevention bytes as needed.

Existing data in the destination can be taken into account by providing dst with a dst_offset > 0.

Returns
The number of bytes copied on success. On failure, the negative of the number of bytes needed to copy src is returned.

Definition at line 1555 of file videotoolboxenc.c.

Referenced by get_sei_msg_bytes(), and write_sei().

static int write_sei ( const ExtraSEI sei,
int  sei_type,
uint8_t dst,
size_t  dst_size 
)
static

Definition at line 1606 of file videotoolboxenc.c.

Referenced by copy_replace_length_codes().

static int copy_replace_length_codes ( AVCodecContext avctx,
size_t  length_code_size,
CMSampleBufferRef  sample_buffer,
ExtraSEI sei,
uint8_t dst_data,
size_t  dst_size 
)
static

Copies NAL units and replaces length codes with H.264 Annex B start codes.

On failure, the contents of dst_data may have been modified.

Parameters
length_code_sizeByte length of each length code
sample_bufferNAL units prefixed with length codes.
seiOptional A53 closed captions SEI data.
dst_dataMust be zeroed before calling this function. Contains the copied NAL units prefixed with start codes when the function returns successfully.
dst_sizeLength of dst_data
Returns
0 on success AVERROR_INVALIDDATA if length_code_size is invalid AVERROR_BUFFER_TOO_SMALL if dst_data is too small or if a length_code in src_data specifies data beyond the end of its buffer.

Definition at line 1679 of file videotoolboxenc.c.

Referenced by vtenc_cm_to_avpacket().

static int get_sei_msg_bytes ( const ExtraSEI sei,
int  type 
)
static

Returns a sufficient number of bytes to contain the sei data.

It may be greater than the minimum required.

Definition at line 1836 of file videotoolboxenc.c.

Referenced by vtenc_cm_to_avpacket().

static int vtenc_cm_to_avpacket ( AVCodecContext avctx,
CMSampleBufferRef  sample_buffer,
AVPacket pkt,
ExtraSEI sei 
)
static

Definition at line 1853 of file videotoolboxenc.c.

Referenced by vtenc_frame().

static int get_cv_pixel_info ( AVCodecContext avctx,
const AVFrame frame,
int color,
int plane_count,
size_t *  widths,
size_t *  heights,
size_t *  strides,
size_t *  contiguous_buf_size 
)
static

Definition at line 1963 of file videotoolboxenc.c.

Referenced by create_cv_pixel_buffer().

static int copy_avframe_to_pixel_buffer ( AVCodecContext avctx,
const AVFrame frame,
CVPixelBufferRef  cv_img,
const size_t *  plane_strides,
const size_t *  plane_rows 
)
static

Definition at line 2070 of file videotoolboxenc.c.

Referenced by create_cv_pixel_buffer().

static int create_cv_pixel_buffer ( AVCodecContext avctx,
const AVFrame frame,
CVPixelBufferRef *  cv_img 
)
static

Definition at line 2162 of file videotoolboxenc.c.

Referenced by vtenc_send_frame().

static int create_encoder_dict_h264 ( const AVFrame frame,
CFDictionaryRef *  dict_out 
)
static

Definition at line 2259 of file videotoolboxenc.c.

Referenced by vtenc_send_frame().

static int vtenc_send_frame ( AVCodecContext avctx,
VTEncContext vtctx,
const AVFrame frame 
)
static

Definition at line 2275 of file videotoolboxenc.c.

Referenced by vtenc_frame().

static av_cold int vtenc_frame ( AVCodecContext avctx,
AVPacket pkt,
const AVFrame frame,
int got_packet 
)
static

Definition at line 2331 of file videotoolboxenc.c.

static av_cold int vtenc_close ( AVCodecContext avctx)
static

Definition at line 2484 of file videotoolboxenc.c.

Variable Documentation

CFStringRef kCVImageBufferColorPrimaries_ITU_R_2020

Definition at line 56 of file videotoolboxenc.c.

Referenced by loadVTEncSymbols().

CFStringRef kCVImageBufferTransferFunction_ITU_R_2020

Definition at line 57 of file videotoolboxenc.c.

Referenced by loadVTEncSymbols().

CFStringRef kCVImageBufferYCbCrMatrix_ITU_R_2020

Definition at line 58 of file videotoolboxenc.c.

Referenced by loadVTEncSymbols().

CFStringRef kVTCompressionPropertyKey_H264EntropyMode

Definition at line 60 of file videotoolboxenc.c.

Referenced by loadVTEncSymbols().

CFStringRef kVTH264EntropyMode_CAVLC

Definition at line 61 of file videotoolboxenc.c.

Referenced by loadVTEncSymbols().

CFStringRef kVTH264EntropyMode_CABAC

Definition at line 62 of file videotoolboxenc.c.

Referenced by loadVTEncSymbols().

CFStringRef kVTProfileLevel_H264_Baseline_4_0

Definition at line 64 of file videotoolboxenc.c.

Referenced by loadVTEncSymbols().

CFStringRef kVTProfileLevel_H264_Baseline_4_2

Definition at line 65 of file videotoolboxenc.c.

Referenced by loadVTEncSymbols().

CFStringRef kVTProfileLevel_H264_Baseline_5_0

Definition at line 66 of file videotoolboxenc.c.

Referenced by loadVTEncSymbols().

CFStringRef kVTProfileLevel_H264_Baseline_5_1

Definition at line 67 of file videotoolboxenc.c.

Referenced by loadVTEncSymbols().

CFStringRef kVTProfileLevel_H264_Baseline_5_2

Definition at line 68 of file videotoolboxenc.c.

Referenced by loadVTEncSymbols().

CFStringRef kVTProfileLevel_H264_Baseline_AutoLevel

Definition at line 69 of file videotoolboxenc.c.

Referenced by loadVTEncSymbols().

CFStringRef kVTProfileLevel_H264_Main_4_2

Definition at line 70 of file videotoolboxenc.c.

Referenced by loadVTEncSymbols().

CFStringRef kVTProfileLevel_H264_Main_5_1

Definition at line 71 of file videotoolboxenc.c.

Referenced by loadVTEncSymbols().

CFStringRef kVTProfileLevel_H264_Main_5_2

Definition at line 72 of file videotoolboxenc.c.

Referenced by loadVTEncSymbols().

CFStringRef kVTProfileLevel_H264_Main_AutoLevel

Definition at line 73 of file videotoolboxenc.c.

Referenced by loadVTEncSymbols().

CFStringRef kVTProfileLevel_H264_High_3_0

Definition at line 74 of file videotoolboxenc.c.

Referenced by loadVTEncSymbols().

CFStringRef kVTProfileLevel_H264_High_3_1

Definition at line 75 of file videotoolboxenc.c.

Referenced by loadVTEncSymbols().

CFStringRef kVTProfileLevel_H264_High_3_2

Definition at line 76 of file videotoolboxenc.c.

Referenced by loadVTEncSymbols().

CFStringRef kVTProfileLevel_H264_High_4_0

Definition at line 77 of file videotoolboxenc.c.

Referenced by loadVTEncSymbols().

CFStringRef kVTProfileLevel_H264_High_4_1

Definition at line 78 of file videotoolboxenc.c.

Referenced by loadVTEncSymbols().

CFStringRef kVTProfileLevel_H264_High_4_2

Definition at line 79 of file videotoolboxenc.c.

Referenced by loadVTEncSymbols().

CFStringRef kVTProfileLevel_H264_High_5_1

Definition at line 80 of file videotoolboxenc.c.

Referenced by loadVTEncSymbols().

CFStringRef kVTProfileLevel_H264_High_5_2

Definition at line 81 of file videotoolboxenc.c.

Referenced by loadVTEncSymbols().

CFStringRef kVTProfileLevel_H264_High_AutoLevel

Definition at line 82 of file videotoolboxenc.c.

Referenced by loadVTEncSymbols().

CFStringRef kVTProfileLevel_H264_Extended_5_0

Definition at line 83 of file videotoolboxenc.c.

Referenced by loadVTEncSymbols().

CFStringRef kVTProfileLevel_H264_Extended_AutoLevel

Definition at line 84 of file videotoolboxenc.c.

Referenced by loadVTEncSymbols().

CFStringRef kVTProfileLevel_HEVC_Main_AutoLevel

Definition at line 86 of file videotoolboxenc.c.

Referenced by loadVTEncSymbols().

CFStringRef kVTProfileLevel_HEVC_Main10_AutoLevel

Definition at line 87 of file videotoolboxenc.c.

Referenced by loadVTEncSymbols().

CFStringRef kVTCompressionPropertyKey_RealTime

Definition at line 89 of file videotoolboxenc.c.

Referenced by loadVTEncSymbols().

CFStringRef kVTVideoEncoderSpecification_EnableHardwareAcceleratedVideoEncoder

Definition at line 91 of file videotoolboxenc.c.

Referenced by loadVTEncSymbols().

CFStringRef kVTVideoEncoderSpecification_RequireHardwareAcceleratedVideoEncoder

Definition at line 92 of file videotoolboxenc.c.

Referenced by loadVTEncSymbols().

getParameterSetAtIndex CMVideoFormatDescriptionGetHEVCParameterSetAtIndex

Definition at line 94 of file videotoolboxenc.c.

struct { ... } compat_keys
pthread_once_t once_ctrl = PTHREAD_ONCE_INIT
static

Definition at line 106 of file videotoolboxenc.c.

const uint8_t start_code[] = { 0, 0, 0, 1 }
static
enum AVPixelFormat avc_pix_fmts[]
static
Initial value:
= {
}
hardware decoding through Videotoolbox
Definition: pixfmt.h:282
planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 plane for the UV components, which are interleaved (firs...
Definition: pixfmt.h:89
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:66

Definition at line 2517 of file videotoolboxenc.c.

enum AVPixelFormat hevc_pix_fmts[]
static
Initial value:
= {
}
hardware decoding through Videotoolbox
Definition: pixfmt.h:282
planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 plane for the UV components, which are interleaved (firs...
Definition: pixfmt.h:89
like NV12, with 10bpp per component, data in the high bits, zeros in the low bits, little-endian
Definition: pixfmt.h:284
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:66

Definition at line 2524 of file videotoolboxenc.c.

const AVOption h264_options[]
static
Initial value:
= {
{ "profile", "Profile", OFFSET(profile), AV_OPT_TYPE_INT, { .i64 = H264_PROF_AUTO }, H264_PROF_AUTO, H264_PROF_COUNT, VE, "profile" },
{ "baseline", "Baseline Profile", 0, AV_OPT_TYPE_CONST, { .i64 = H264_PROF_BASELINE }, INT_MIN, INT_MAX, VE, "profile" },
{ "main", "Main Profile", 0, AV_OPT_TYPE_CONST, { .i64 = H264_PROF_MAIN }, INT_MIN, INT_MAX, VE, "profile" },
{ "high", "High Profile", 0, AV_OPT_TYPE_CONST, { .i64 = H264_PROF_HIGH }, INT_MIN, INT_MAX, VE, "profile" },
{ "extended", "Extend Profile", 0, AV_OPT_TYPE_CONST, { .i64 = H264_PROF_EXTENDED }, INT_MIN, INT_MAX, VE, "profile" },
{ "level", "Level", OFFSET(level), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 52, VE, "level" },
{ "1.3", "Level 1.3, only available with Baseline Profile", 0, AV_OPT_TYPE_CONST, { .i64 = 13 }, INT_MIN, INT_MAX, VE, "level" },
{ "3.0", "Level 3.0", 0, AV_OPT_TYPE_CONST, { .i64 = 30 }, INT_MIN, INT_MAX, VE, "level" },
{ "3.1", "Level 3.1", 0, AV_OPT_TYPE_CONST, { .i64 = 31 }, INT_MIN, INT_MAX, VE, "level" },
{ "3.2", "Level 3.2", 0, AV_OPT_TYPE_CONST, { .i64 = 32 }, INT_MIN, INT_MAX, VE, "level" },
{ "4.0", "Level 4.0", 0, AV_OPT_TYPE_CONST, { .i64 = 40 }, INT_MIN, INT_MAX, VE, "level" },
{ "4.1", "Level 4.1", 0, AV_OPT_TYPE_CONST, { .i64 = 41 }, INT_MIN, INT_MAX, VE, "level" },
{ "4.2", "Level 4.2", 0, AV_OPT_TYPE_CONST, { .i64 = 42 }, INT_MIN, INT_MAX, VE, "level" },
{ "5.0", "Level 5.0", 0, AV_OPT_TYPE_CONST, { .i64 = 50 }, INT_MIN, INT_MAX, VE, "level" },
{ "5.1", "Level 5.1", 0, AV_OPT_TYPE_CONST, { .i64 = 51 }, INT_MIN, INT_MAX, VE, "level" },
{ "5.2", "Level 5.2", 0, AV_OPT_TYPE_CONST, { .i64 = 52 }, INT_MIN, INT_MAX, VE, "level" },
{ "coder", "Entropy coding", OFFSET(entropy), AV_OPT_TYPE_INT, { .i64 = VT_ENTROPY_NOT_SET }, VT_ENTROPY_NOT_SET, VT_CABAC, VE, "coder" },
{ "cavlc", "CAVLC entropy coding", 0, AV_OPT_TYPE_CONST, { .i64 = VT_CAVLC }, INT_MIN, INT_MAX, VE, "coder" },
{ "vlc", "CAVLC entropy coding", 0, AV_OPT_TYPE_CONST, { .i64 = VT_CAVLC }, INT_MIN, INT_MAX, VE, "coder" },
{ "cabac", "CABAC entropy coding", 0, AV_OPT_TYPE_CONST, { .i64 = VT_CABAC }, INT_MIN, INT_MAX, VE, "coder" },
{ "ac", "CABAC entropy coding", 0, AV_OPT_TYPE_CONST, { .i64 = VT_CABAC }, INT_MIN, INT_MAX, VE, "coder" },
{ "a53cc", "Use A53 Closed Captions (if available)", OFFSET(a53_cc), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, VE },
{ NULL },
}
#define NULL
Definition: coverity.c:32
#define OFFSET(x)
mfxU16 profile
Definition: qsvenc.c:44
#define COMMON_OPTIONS
uint8_t level
Definition: svq3.c:207
#define VE

Definition at line 2546 of file videotoolboxenc.c.

const AVClass h264_videotoolbox_class
static
Initial value:
= {
.class_name = "h264_videotoolbox",
.item_name = av_default_item_name,
.option = h264_options,
}
#define LIBAVUTIL_VERSION_INT
Definition: version.h:85
const char * av_default_item_name(void *ptr)
Return the context name.
Definition: log.c:191
static const AVOption h264_options[]

Definition at line 2577 of file videotoolboxenc.c.

AVCodec ff_h264_videotoolbox_encoder
Initial value:
= {
.name = "h264_videotoolbox",
.long_name = NULL_IF_CONFIG_SMALL("VideoToolbox H.264 Encoder"),
.priv_data_size = sizeof(VTEncContext),
.encode2 = vtenc_frame,
.close = vtenc_close,
.capabilities = AV_CODEC_CAP_DELAY,
.priv_class = &h264_videotoolbox_class,
.caps_internal = FF_CODEC_CAP_INIT_THREADSAFE |
}
#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
static av_cold int init(AVCodecContext *avctx)
Definition: avrndec.c:35
#define AV_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:1009
#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
static av_cold int vtenc_frame(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *frame, int *got_packet)
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:186
static const AVClass h264_videotoolbox_class
static av_cold int vtenc_close(AVCodecContext *avctx)
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:275
static av_cold int vtenc_init(AVCodecContext *avctx)
static enum AVPixelFormat avc_pix_fmts[]

Definition at line 2584 of file videotoolboxenc.c.

const AVOption hevc_options[]
static
Initial value:
= {
{ "profile", "Profile", OFFSET(profile), AV_OPT_TYPE_INT, { .i64 = HEVC_PROF_AUTO }, HEVC_PROF_AUTO, HEVC_PROF_COUNT, VE, "profile" },
{ "main", "Main Profile", 0, AV_OPT_TYPE_CONST, { .i64 = HEVC_PROF_MAIN }, INT_MIN, INT_MAX, VE, "profile" },
{ "main10", "Main10 Profile", 0, AV_OPT_TYPE_CONST, { .i64 = HEVC_PROF_MAIN10 }, INT_MIN, INT_MAX, VE, "profile" },
{ NULL },
}
#define NULL
Definition: coverity.c:32
#define OFFSET(x)
mfxU16 profile
Definition: qsvenc.c:44
#define COMMON_OPTIONS
#define VE

Definition at line 2600 of file videotoolboxenc.c.

const AVClass hevc_videotoolbox_class
static
Initial value:
= {
.class_name = "hevc_videotoolbox",
.item_name = av_default_item_name,
.option = hevc_options,
}
#define LIBAVUTIL_VERSION_INT
Definition: version.h:85
const char * av_default_item_name(void *ptr)
Return the context name.
Definition: log.c:191
static const AVOption hevc_options[]

Definition at line 2609 of file videotoolboxenc.c.

AVCodec ff_hevc_videotoolbox_encoder
Initial value:
= {
.name = "hevc_videotoolbox",
.long_name = NULL_IF_CONFIG_SMALL("VideoToolbox H.265 Encoder"),
.priv_data_size = sizeof(VTEncContext),
.encode2 = vtenc_frame,
.close = vtenc_close,
.priv_class = &hevc_videotoolbox_class,
.caps_internal = FF_CODEC_CAP_INIT_THREADSAFE |
.wrapper_name = "videotoolbox",
}
#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
static const AVClass hevc_videotoolbox_class
static av_cold int init(AVCodecContext *avctx)
Definition: avrndec.c:35
#define AV_CODEC_CAP_HARDWARE
Codec is backed by a hardware implementation.
Definition: avcodec.h:1081
#define AV_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:1009
#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
static av_cold int vtenc_frame(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *frame, int *got_packet)
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:186
static enum AVPixelFormat hevc_pix_fmts[]
static av_cold int vtenc_close(AVCodecContext *avctx)
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:275
static av_cold int vtenc_init(AVCodecContext *avctx)

Definition at line 2616 of file videotoolboxenc.c.