FFmpeg
Data Structures | Macros | Functions | Variables
mfenc.c File Reference
#include "encode.h"
#include "mf_utils.h"
#include "libavutil/imgutils.h"
#include "libavutil/mem.h"
#include "libavutil/opt.h"
#include "libavutil/time.h"
#include "codec_internal.h"
#include "internal.h"
#include "compat/w32dlfcn.h"

Go to the source code of this file.

Data Structures

struct  MFContext
 

Macros

#define COBJMACROS
 
#define _WIN32_WINNT   0x0602
 
#define MF_TIMEBASE   (AVRational){1, 10000000}
 
#define MF_INVALID_TIME   AV_NOPTS_VALUE
 
#define LOAD_MF_FUNCTION(context, func_name)
 
#define OFFSET(x)   offsetof(MFContext, x)
 
#define MF_ENCODER(MEDIATYPE, NAME, ID, OPTS, FMTS, CAPS, DEFAULTS)
 
#define AFMTS
 
#define ACAPS
 
#define VE   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
 
#define VFMTS
 
#define VCAPS
 

Functions

static int mf_choose_output_type (AVCodecContext *avctx)
 
static int mf_setup_context (AVCodecContext *avctx)
 
static int mf_wait_events (AVCodecContext *avctx)
 
static AVRational mf_get_tb (AVCodecContext *avctx)
 
static LONGLONG mf_to_mf_time (AVCodecContext *avctx, int64_t av_pts)
 
static void mf_sample_set_pts (AVCodecContext *avctx, IMFSample *sample, int64_t av_pts)
 
static int64_t mf_from_mf_time (AVCodecContext *avctx, LONGLONG stime)
 
static int64_t mf_sample_get_pts (AVCodecContext *avctx, IMFSample *sample)
 
static int mf_enca_output_type_get (AVCodecContext *avctx, IMFMediaType *type)
 
static int mf_encv_output_type_get (AVCodecContext *avctx, IMFMediaType *type)
 
static int mf_output_type_get (AVCodecContext *avctx)
 
static int mf_sample_to_avpacket (AVCodecContext *avctx, IMFSample *sample, AVPacket *avpkt)
 
static IMFSample * mf_a_avframe_to_sample (AVCodecContext *avctx, const AVFrame *frame)
 
static IMFSample * mf_v_avframe_to_sample (AVCodecContext *avctx, const AVFrame *frame)
 
static IMFSample * mf_avframe_to_sample (AVCodecContext *avctx, const AVFrame *frame)
 
static int mf_send_sample (AVCodecContext *avctx, IMFSample *sample)
 
static int mf_receive_sample (AVCodecContext *avctx, IMFSample **out_sample)
 
static int mf_receive_packet (AVCodecContext *avctx, AVPacket *avpkt)
 
static int64_t mf_enca_output_score (AVCodecContext *avctx, IMFMediaType *type)
 
static int mf_enca_output_adjust (AVCodecContext *avctx, IMFMediaType *type)
 
static int64_t mf_enca_input_score (AVCodecContext *avctx, IMFMediaType *type)
 
static int mf_enca_input_adjust (AVCodecContext *avctx, IMFMediaType *type)
 
static int64_t mf_encv_output_score (AVCodecContext *avctx, IMFMediaType *type)
 
static int mf_encv_output_adjust (AVCodecContext *avctx, IMFMediaType *type)
 
static int64_t mf_encv_input_score (AVCodecContext *avctx, IMFMediaType *type)
 
static int mf_encv_input_adjust (AVCodecContext *avctx, IMFMediaType *type)
 
static int mf_choose_input_type (AVCodecContext *avctx)
 
static int mf_negotiate_types (AVCodecContext *avctx)
 
static int mf_unlock_async (AVCodecContext *avctx)
 
static int mf_create (void *log, MFFunctions *f, IMFTransform **mft, const AVCodec *codec, int use_hw)
 
static int mf_init_encoder (AVCodecContext *avctx)
 
static int mf_load_library (AVCodecContext *avctx)
 
static int mf_close (AVCodecContext *avctx)
 
static int mf_init (AVCodecContext *avctx)
 
 MF_ENCODER (AUDIO, aac, AAC, NULL, AFMTS, ACAPS, NULL)
 
 MF_ENCODER (AUDIO, ac3, AC3, NULL, AFMTS, ACAPS, NULL)
 
 MF_ENCODER (AUDIO, mp3, MP3, NULL, AFMTS, ACAPS, NULL)
 
 MF_ENCODER (VIDEO, h264, H264, venc_opts, VFMTS, VCAPS, defaults)
 
 MF_ENCODER (VIDEO, hevc, HEVC, venc_opts, VFMTS, VCAPS, defaults)
 
 MF_ENCODER (VIDEO, av1, AV1, venc_opts, VFMTS, VCAPS, defaults)
 

Variables

static const AVOption venc_opts []
 
static const FFCodecDefault defaults []
 

Macro Definition Documentation

◆ COBJMACROS

#define COBJMACROS

Definition at line 19 of file mfenc.c.

◆ _WIN32_WINNT

#define _WIN32_WINNT   0x0602

Definition at line 22 of file mfenc.c.

◆ MF_TIMEBASE

#define MF_TIMEBASE   (AVRational){1, 10000000}

Definition at line 63 of file mfenc.c.

◆ MF_INVALID_TIME

#define MF_INVALID_TIME   AV_NOPTS_VALUE

Definition at line 65 of file mfenc.c.

◆ LOAD_MF_FUNCTION

#define LOAD_MF_FUNCTION (   context,
  func_name 
)
Value:
context->functions.func_name = (void *)dlsym(context->library, #func_name); \
if (!context->functions.func_name) { \
av_log(context, AV_LOG_ERROR, "DLL mfplat.dll failed to find function "\
#func_name "\n"); \
return AVERROR_UNKNOWN; \
}

Definition at line 1154 of file mfenc.c.

◆ OFFSET

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

Definition at line 1240 of file mfenc.c.

◆ MF_ENCODER

#define MF_ENCODER (   MEDIATYPE,
  NAME,
  ID,
  OPTS,
  FMTS,
  CAPS,
  DEFAULTS 
)
Value:
static const AVClass ff_ ## NAME ## _mf_encoder_class = { \
.class_name = #NAME "_mf", \
.item_name = av_default_item_name, \
.option = OPTS, \
.version = LIBAVUTIL_VERSION_INT, \
}; \
const FFCodec ff_ ## NAME ## _mf_encoder = { \
.p.priv_class = &ff_ ## NAME ## _mf_encoder_class, \
.p.name = #NAME "_mf", \
CODEC_LONG_NAME(#ID " via MediaFoundation"), \
.p.type = AVMEDIA_TYPE_ ## MEDIATYPE, \
.p.id = AV_CODEC_ID_ ## ID, \
.priv_data_size = sizeof(MFContext), \
.init = mf_init, \
.close = mf_close, \
FF_CODEC_RECEIVE_PACKET_CB(mf_receive_packet), \
FMTS \
CAPS \
.caps_internal = FF_CODEC_CAP_INIT_CLEANUP, \
.defaults = DEFAULTS, \
};

Definition at line 1242 of file mfenc.c.

◆ AFMTS

#define AFMTS
Value:
.p.sample_fmts = (const enum AVSampleFormat[]){ AV_SAMPLE_FMT_S16, \
AV_SAMPLE_FMT_NONE },

Definition at line 1265 of file mfenc.c.

◆ ACAPS

#define ACAPS
Value:
.p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HYBRID | \
AV_CODEC_CAP_DR1 | AV_CODEC_CAP_VARIABLE_FRAME_SIZE,

Definition at line 1268 of file mfenc.c.

◆ VE

#define VE   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM

Definition at line 1276 of file mfenc.c.

◆ VFMTS

#define VFMTS
Value:
.p.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12, \
AV_PIX_FMT_YUV420P, \
AV_PIX_FMT_NONE },

Definition at line 1308 of file mfenc.c.

◆ VCAPS

#define VCAPS
Value:
.p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HYBRID | \
AV_CODEC_CAP_DR1,

Definition at line 1312 of file mfenc.c.

Function Documentation

◆ mf_choose_output_type()

static int mf_choose_output_type ( AVCodecContext *  avctx)
static

Definition at line 754 of file mfenc.c.

Referenced by mf_negotiate_types(), and mf_receive_sample().

◆ mf_setup_context()

static int mf_setup_context ( AVCodecContext *  avctx)
static

Definition at line 958 of file mfenc.c.

Referenced by mf_init_encoder(), and mf_receive_sample().

◆ mf_wait_events()

static int mf_wait_events ( AVCodecContext *  avctx)
static

Definition at line 67 of file mfenc.c.

Referenced by mf_receive_sample(), and mf_send_sample().

◆ mf_get_tb()

static AVRational mf_get_tb ( AVCodecContext *  avctx)
static

Definition at line 106 of file mfenc.c.

Referenced by mf_from_mf_time(), and mf_to_mf_time().

◆ mf_to_mf_time()

static LONGLONG mf_to_mf_time ( AVCodecContext *  avctx,
int64_t  av_pts 
)
static

Definition at line 113 of file mfenc.c.

Referenced by mf_a_avframe_to_sample(), mf_sample_set_pts(), and mf_v_avframe_to_sample().

◆ mf_sample_set_pts()

static void mf_sample_set_pts ( AVCodecContext *  avctx,
IMFSample *  sample,
int64_t  av_pts 
)
static

Definition at line 120 of file mfenc.c.

Referenced by mf_avframe_to_sample().

◆ mf_from_mf_time()

static int64_t mf_from_mf_time ( AVCodecContext *  avctx,
LONGLONG  stime 
)
static

Definition at line 127 of file mfenc.c.

Referenced by mf_sample_get_pts(), and mf_sample_to_avpacket().

◆ mf_sample_get_pts()

static int64_t mf_sample_get_pts ( AVCodecContext *  avctx,
IMFSample *  sample 
)
static

Definition at line 132 of file mfenc.c.

Referenced by mf_sample_to_avpacket().

◆ mf_enca_output_type_get()

static int mf_enca_output_type_get ( AVCodecContext *  avctx,
IMFMediaType *  type 
)
static

Definition at line 141 of file mfenc.c.

Referenced by mf_output_type_get().

◆ mf_encv_output_type_get()

static int mf_encv_output_type_get ( AVCodecContext *  avctx,
IMFMediaType *  type 
)
static

Definition at line 181 of file mfenc.c.

Referenced by mf_output_type_get().

◆ mf_output_type_get()

static int mf_output_type_get ( AVCodecContext *  avctx)
static

Definition at line 204 of file mfenc.c.

Referenced by mf_init_encoder(), and mf_setup_context().

◆ mf_sample_to_avpacket()

static int mf_sample_to_avpacket ( AVCodecContext *  avctx,
IMFSample *  sample,
AVPacket *  avpkt 
)
static

Definition at line 234 of file mfenc.c.

Referenced by mf_receive_packet().

◆ mf_a_avframe_to_sample()

static IMFSample* mf_a_avframe_to_sample ( AVCodecContext *  avctx,
const AVFrame *  frame 
)
static

Definition at line 289 of file mfenc.c.

Referenced by mf_avframe_to_sample().

◆ mf_v_avframe_to_sample()

static IMFSample* mf_v_avframe_to_sample ( AVCodecContext *  avctx,
const AVFrame *  frame 
)
static

Definition at line 306 of file mfenc.c.

Referenced by mf_avframe_to_sample().

◆ mf_avframe_to_sample()

static IMFSample* mf_avframe_to_sample ( AVCodecContext *  avctx,
const AVFrame *  frame 
)
static

Definition at line 353 of file mfenc.c.

Referenced by mf_receive_packet().

◆ mf_send_sample()

static int mf_send_sample ( AVCodecContext *  avctx,
IMFSample *  sample 
)
static

Definition at line 370 of file mfenc.c.

Referenced by mf_receive_packet().

◆ mf_receive_sample()

static int mf_receive_sample ( AVCodecContext *  avctx,
IMFSample **  out_sample 
)
static

Definition at line 408 of file mfenc.c.

Referenced by mf_receive_packet().

◆ mf_receive_packet()

static int mf_receive_packet ( AVCodecContext *  avctx,
AVPacket *  avpkt 
)
static

Definition at line 490 of file mfenc.c.

◆ mf_enca_output_score()

static int64_t mf_enca_output_score ( AVCodecContext *  avctx,
IMFMediaType *  type 
)
static

Definition at line 535 of file mfenc.c.

Referenced by mf_choose_output_type().

◆ mf_enca_output_adjust()

static int mf_enca_output_adjust ( AVCodecContext *  avctx,
IMFMediaType *  type 
)
static

Definition at line 575 of file mfenc.c.

Referenced by mf_choose_output_type().

◆ mf_enca_input_score()

static int64_t mf_enca_input_score ( AVCodecContext *  avctx,
IMFMediaType *  type 
)
static

Definition at line 585 of file mfenc.c.

Referenced by mf_choose_input_type().

◆ mf_enca_input_adjust()

static int mf_enca_input_adjust ( AVCodecContext *  avctx,
IMFMediaType *  type 
)
static

Definition at line 609 of file mfenc.c.

Referenced by mf_choose_input_type().

◆ mf_encv_output_score()

static int64_t mf_encv_output_score ( AVCodecContext *  avctx,
IMFMediaType *  type 
)
static

Definition at line 635 of file mfenc.c.

Referenced by mf_choose_output_type().

◆ mf_encv_output_adjust()

static int mf_encv_output_adjust ( AVCodecContext *  avctx,
IMFMediaType *  type 
)
static

Definition at line 651 of file mfenc.c.

Referenced by mf_choose_output_type().

◆ mf_encv_input_score()

static int64_t mf_encv_input_score ( AVCodecContext *  avctx,
IMFMediaType *  type 
)
static

Definition at line 732 of file mfenc.c.

Referenced by mf_choose_input_type().

◆ mf_encv_input_adjust()

static int mf_encv_input_adjust ( AVCodecContext *  avctx,
IMFMediaType *  type 
)
static

Definition at line 741 of file mfenc.c.

Referenced by mf_choose_input_type().

◆ mf_choose_input_type()

static int mf_choose_input_type ( AVCodecContext *  avctx)
static

Definition at line 843 of file mfenc.c.

Referenced by mf_negotiate_types().

◆ mf_negotiate_types()

static int mf_negotiate_types ( AVCodecContext *  avctx)
static

Definition at line 931 of file mfenc.c.

Referenced by mf_init_encoder().

◆ mf_unlock_async()

static int mf_unlock_async ( AVCodecContext *  avctx)
static

Definition at line 986 of file mfenc.c.

Referenced by mf_init_encoder().

◆ mf_create()

static int mf_create ( void *  log,
MFFunctions *  f,
IMFTransform **  mft,
const AVCodec *  codec,
int  use_hw 
)
static

Definition at line 1035 of file mfenc.c.

Referenced by mf_init_encoder().

◆ mf_init_encoder()

static int mf_init_encoder ( AVCodecContext *  avctx)
static

Definition at line 1065 of file mfenc.c.

Referenced by mf_init().

◆ mf_load_library()

static int mf_load_library ( AVCodecContext *  avctx)
static

Definition at line 1177 of file mfenc.c.

Referenced by mf_init().

◆ mf_close()

static int mf_close ( AVCodecContext *  avctx)
static

Definition at line 1201 of file mfenc.c.

◆ mf_init()

static int mf_init ( AVCodecContext *  avctx)
static

Definition at line 1229 of file mfenc.c.

◆ MF_ENCODER() [1/6]

MF_ENCODER ( AUDIO  ,
aac  ,
AAC  ,
NULL  ,
AFMTS  ,
ACAPS  ,
NULL   
)

◆ MF_ENCODER() [2/6]

MF_ENCODER ( AUDIO  ,
ac3  ,
AC3  ,
NULL  ,
AFMTS  ,
ACAPS  ,
NULL   
)

◆ MF_ENCODER() [3/6]

MF_ENCODER ( AUDIO  ,
mp3  ,
MP3  ,
NULL  ,
AFMTS  ,
ACAPS  ,
NULL   
)

◆ MF_ENCODER() [4/6]

MF_ENCODER ( VIDEO  ,
h264  ,
H264  ,
venc_opts  ,
VFMTS  ,
VCAPS  ,
defaults   
)

◆ MF_ENCODER() [5/6]

MF_ENCODER ( VIDEO  ,
hevc  ,
HEVC  ,
venc_opts  ,
VFMTS  ,
VCAPS  ,
defaults   
)

◆ MF_ENCODER() [6/6]

MF_ENCODER ( VIDEO  ,
av1  ,
AV1  ,
venc_opts  ,
VFMTS  ,
VCAPS  ,
defaults   
)

Variable Documentation

◆ venc_opts

const AVOption venc_opts[]
static
Initial value:
= {
{"rate_control", "Select rate control mode", OFFSET(opt_enc_rc), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE, .unit = "rate_control"},
{ "default", "Default mode", 0, AV_OPT_TYPE_CONST, {.i64 = -1}, 0, 0, VE, .unit = "rate_control"},
{ "cbr", "CBR mode", 0, AV_OPT_TYPE_CONST, {.i64 = ff_eAVEncCommonRateControlMode_CBR}, 0, 0, VE, .unit = "rate_control"},
{ "pc_vbr", "Peak constrained VBR mode", 0, AV_OPT_TYPE_CONST, {.i64 = ff_eAVEncCommonRateControlMode_PeakConstrainedVBR}, 0, 0, VE, .unit = "rate_control"},
{ "u_vbr", "Unconstrained VBR mode", 0, AV_OPT_TYPE_CONST, {.i64 = ff_eAVEncCommonRateControlMode_UnconstrainedVBR}, 0, 0, VE, .unit = "rate_control"},
{ "quality", "Quality mode", 0, AV_OPT_TYPE_CONST, {.i64 = ff_eAVEncCommonRateControlMode_Quality}, 0, 0, VE, .unit = "rate_control" },
{ "ld_vbr", "Low delay VBR mode", 0, AV_OPT_TYPE_CONST, {.i64 = ff_eAVEncCommonRateControlMode_LowDelayVBR}, 0, 0, VE, .unit = "rate_control"},
{ "g_vbr", "Global VBR mode", 0, AV_OPT_TYPE_CONST, {.i64 = ff_eAVEncCommonRateControlMode_GlobalVBR}, 0, 0, VE, .unit = "rate_control" },
{ "gld_vbr", "Global low delay VBR mode", 0, AV_OPT_TYPE_CONST, {.i64 = ff_eAVEncCommonRateControlMode_GlobalLowDelayVBR}, 0, 0, VE, .unit = "rate_control"},
{"scenario", "Select usage scenario", OFFSET(opt_enc_scenario), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE, .unit = "scenario"},
{ "default", "Default scenario", 0, AV_OPT_TYPE_CONST, {.i64 = -1}, 0, 0, VE, .unit = "scenario"},
{ "display_remoting", "Display remoting", 0, AV_OPT_TYPE_CONST, {.i64 = ff_eAVScenarioInfo_DisplayRemoting}, 0, 0, VE, .unit = "scenario"},
{ "video_conference", "Video conference", 0, AV_OPT_TYPE_CONST, {.i64 = ff_eAVScenarioInfo_VideoConference}, 0, 0, VE, .unit = "scenario"},
{ "archive", "Archive", 0, AV_OPT_TYPE_CONST, {.i64 = ff_eAVScenarioInfo_Archive}, 0, 0, VE, .unit = "scenario"},
{ "live_streaming", "Live streaming", 0, AV_OPT_TYPE_CONST, {.i64 = ff_eAVScenarioInfo_LiveStreaming}, 0, 0, VE, .unit = "scenario"},
{ "camera_record", "Camera record", 0, AV_OPT_TYPE_CONST, {.i64 = ff_eAVScenarioInfo_CameraRecord}, 0, 0, VE, .unit = "scenario"},
{ "display_remoting_with_feature_map", "Display remoting with feature map", 0, AV_OPT_TYPE_CONST, {.i64 = ff_eAVScenarioInfo_DisplayRemotingWithFeatureMap}, 0, 0, VE, .unit = "scenario"},
{"quality", "Quality", OFFSET(opt_enc_quality), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 100, VE},
{"hw_encoding", "Force hardware encoding", OFFSET(opt_enc_hw), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, VE},
{NULL}
}

Definition at line 1277 of file mfenc.c.

◆ defaults

const FFCodecDefault defaults[]
static
Initial value:
= {
{ "g", "0" },
{ NULL },
}

Definition at line 1303 of file mfenc.c.

AVPixelFormat
AVPixelFormat
Pixel format.
Definition: pixfmt.h:71
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: codec_internal.h:43
AVCodec::priv_class
const AVClass * priv_class
AVClass for the private context.
Definition: codec.h:221
ff_eAVEncCommonRateControlMode_Quality
@ ff_eAVEncCommonRateControlMode_Quality
Definition: mf_utils.h:124
ff_eAVEncCommonRateControlMode_CBR
@ ff_eAVEncCommonRateControlMode_CBR
Definition: mf_utils.h:121
FFCodec
Definition: codec_internal.h:127
AVERROR_UNKNOWN
#define AVERROR_UNKNOWN
Unknown error, typically from an external library.
Definition: error.h:73
FFCodec::p
AVCodec p
The public AVCodec.
Definition: codec_internal.h:131
OFFSET
#define OFFSET(x)
Definition: mfenc.c:1240
mf_receive_packet
static int mf_receive_packet(AVCodecContext *avctx, AVPacket *avpkt)
Definition: mfenc.c:490
ff_eAVEncCommonRateControlMode_GlobalVBR
@ ff_eAVEncCommonRateControlMode_GlobalVBR
Definition: mf_utils.h:126
AV_LOG_ERROR
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:209
ff_eAVScenarioInfo_LiveStreaming
@ ff_eAVScenarioInfo_LiveStreaming
Definition: mf_utils.h:135
context
it s the only field you need to keep assuming you have a context There is some magic you don t need to care about around this just let it vf default minimum maximum flags name is the option keep it simple and lowercase description are in without and describe what they for example set the foo of the bar offset is the offset of the field in your context
Definition: writing_filters.txt:91
LIBAVUTIL_VERSION_INT
#define LIBAVUTIL_VERSION_INT
Definition: version.h:85
AVClass
Describe the class of an AVClass context structure.
Definition: log.h:75
NULL
#define NULL
Definition: coverity.c:32
ff_eAVEncCommonRateControlMode_PeakConstrainedVBR
@ ff_eAVEncCommonRateControlMode_PeakConstrainedVBR
Definition: mf_utils.h:122
FF_CODEC_RECEIVE_PACKET_CB
#define FF_CODEC_RECEIVE_PACKET_CB(func)
Definition: codec_internal.h:326
av_default_item_name
const char * av_default_item_name(void *ptr)
Return the context name.
Definition: log.c:237
AV_CODEC_CAP_VARIABLE_FRAME_SIZE
#define AV_CODEC_CAP_VARIABLE_FRAME_SIZE
Audio encoder supports receiving a different number of samples in each call.
Definition: codec.h:128
ID
#define ID(_0)
Definition: mov_chan.c:240
init
int(* init)(AVBSFContext *ctx)
Definition: dts2pts.c:368
ff_eAVScenarioInfo_Archive
@ ff_eAVScenarioInfo_Archive
Definition: mf_utils.h:134
ff_eAVScenarioInfo_DisplayRemoting
@ ff_eAVScenarioInfo_DisplayRemoting
Definition: mf_utils.h:132
ff_eAVEncCommonRateControlMode_UnconstrainedVBR
@ ff_eAVEncCommonRateControlMode_UnconstrainedVBR
Definition: mf_utils.h:123
ff_eAVScenarioInfo_DisplayRemotingWithFeatureMap
@ ff_eAVScenarioInfo_DisplayRemotingWithFeatureMap
Definition: mf_utils.h:137
AVSampleFormat
AVSampleFormat
Audio sample formats.
Definition: samplefmt.h:55
VE
#define VE
Definition: mfenc.c:1276
AV_SAMPLE_FMT_S16
@ AV_SAMPLE_FMT_S16
signed 16 bits
Definition: samplefmt.h:58
MFContext
Definition: mfenc.c:35
AV_PIX_FMT_NV12
@ 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:96
AVClass::class_name
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
Definition: log.h:80
mf_init
static int mf_init(AVCodecContext *avctx)
Definition: mfenc.c:1229
AV_OPT_TYPE_INT
@ AV_OPT_TYPE_INT
Underlying C type is int.
Definition: opt.h:259
mf_close
static int mf_close(AVCodecContext *avctx)
Definition: mfenc.c:1201
AV_CODEC_CAP_DELAY
#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: codec.h:76
ff_eAVScenarioInfo_CameraRecord
@ ff_eAVScenarioInfo_CameraRecord
Definition: mf_utils.h:136
ff_eAVScenarioInfo_VideoConference
@ ff_eAVScenarioInfo_VideoConference
Definition: mf_utils.h:133
AV_CODEC_CAP_HYBRID
#define AV_CODEC_CAP_HYBRID
Codec is potentially backed by a hardware implementation, but not necessarily.
Definition: codec.h:152
AV_OPT_TYPE_BOOL
@ AV_OPT_TYPE_BOOL
Underlying C type is int.
Definition: opt.h:327
ff_eAVEncCommonRateControlMode_GlobalLowDelayVBR
@ ff_eAVEncCommonRateControlMode_GlobalLowDelayVBR
Definition: mf_utils.h:127
AV_OPT_TYPE_CONST
@ AV_OPT_TYPE_CONST
Special option type for declaring named constants.
Definition: opt.h:299
ff_eAVEncCommonRateControlMode_LowDelayVBR
@ ff_eAVEncCommonRateControlMode_LowDelayVBR
Definition: mf_utils.h:125
Generated on Thu Nov 21 2024 19:23:03 for FFmpeg by   doxygen 1.8.17