FFmpeg: PerThreadContext Struct Reference

FFmpeg

[フレーム]

Data Fields

PerThreadContext Struct Reference

Context used by codec threads and stored in their AVCodecInternal thread_ctx. More...

Data Fields

struct FrameThreadContext * parent

pthread_t thread

int thread_init

unsigned pthread_init_cnt

Number of successfully initialized mutexes/conditions. More...

pthread_cond_t input_cond

Used to wait for a new packet from the main thread. More...

pthread_cond_t progress_cond

Used by child threads to wait for progress to change. More...

pthread_cond_t output_cond

Used by the main thread to wait for frames to finish. More...

pthread_mutex_t mutex

Mutex used to protect the contents of the PerThreadContext. More...

pthread_mutex_t progress_mutex

Mutex used to protect frame progress values and progress_cond. More...

AVCodecContext * avctx

Context used to decode packets passed to this thread. More...

AVPacket * avpkt

Input packet (for decoding) or output (for encoding). More...

AVFrame * frame

Output frame (for decoding) or input (for encoding). More...

int got_frame

The output of got_picture_ptr from the last avcodec_decode_video() call. More...

int result

The result of the last codec decode/encode() call. More...

atomic_int state

AVFrame ** released_buffers

Array of frames passed to ff_thread_release_buffer(). More...

int num_released_buffers

int released_buffers_allocated

AVFrame * requested_frame

AVFrame the codec passed to get_buffer() More...

int requested_flags

flags passed to get_buffer() for requested_frame More...

enum AVPixelFormat * available_formats

Format array for get_format() More...

enum AVPixelFormat result_format

get_format() result More...

int die

Set when the thread should exit. More...

int hwaccel_serializing

int async_serializing

atomic_int debug_threads

Set if the FF_DEBUG_THREADS option is set. More...

Detailed Description

Context used by codec threads and stored in their AVCodecInternal thread_ctx.

Definition at line 76 of file pthread_frame.c.

Field Documentation

◆ parent

struct FrameThreadContext* PerThreadContext::parent

Definition at line 77 of file pthread_frame.c.

Referenced by ff_thread_finish_setup(), frame_worker_thread(), init_thread(), release_delayed_buffers(), submit_packet(), and thread_get_buffer_internal().

◆ thread

pthread_t PerThreadContext::thread

Definition at line 79 of file pthread_frame.c.

Referenced by ff_frame_thread_free(), and init_thread().

◆ thread_init

int PerThreadContext::thread_init

Definition at line 80 of file pthread_frame.c.

Referenced by ff_frame_thread_free(), and init_thread().

◆ pthread_init_cnt

unsigned PerThreadContext::pthread_init_cnt

Number of successfully initialized mutexes/conditions.

Definition at line 81 of file pthread_frame.c.

◆ input_cond

pthread_cond_t PerThreadContext::input_cond

Used to wait for a new packet from the main thread.

Definition at line 82 of file pthread_frame.c.

Referenced by ff_frame_thread_free(), frame_worker_thread(), and submit_packet().

◆ progress_cond

pthread_cond_t PerThreadContext::progress_cond

Used by child threads to wait for progress to change.

Definition at line 83 of file pthread_frame.c.

Referenced by ff_thread_await_progress(), ff_thread_finish_setup(), ff_thread_get_format(), ff_thread_report_progress(), frame_worker_thread(), submit_packet(), and thread_get_buffer_internal().

◆ output_cond

pthread_cond_t PerThreadContext::output_cond

Used by the main thread to wait for frames to finish.

Definition at line 84 of file pthread_frame.c.

Referenced by ff_thread_decode_frame(), frame_worker_thread(), and park_frame_worker_threads().

◆ mutex

pthread_mutex_t PerThreadContext::mutex

Mutex used to protect the contents of the PerThreadContext.

Definition at line 86 of file pthread_frame.c.

Referenced by ff_frame_thread_free(), frame_worker_thread(), and submit_packet().

◆ progress_mutex

pthread_mutex_t PerThreadContext::progress_mutex

Mutex used to protect frame progress values and progress_cond.

Definition at line 87 of file pthread_frame.c.

Referenced by ff_thread_await_progress(), ff_thread_decode_frame(), ff_thread_finish_setup(), ff_thread_get_format(), ff_thread_report_progress(), frame_worker_thread(), park_frame_worker_threads(), submit_packet(), and thread_get_buffer_internal().

◆ avctx

AVCodecContext* PerThreadContext::avctx

Context used to decode packets passed to this thread.

Definition at line 89 of file pthread_frame.c.

Referenced by ff_frame_thread_free(), ff_thread_decode_frame(), ff_thread_flush(), frame_worker_thread(), init_thread(), release_delayed_buffers(), and submit_packet().

◆ avpkt

AVPacket* PerThreadContext::avpkt

Input packet (for decoding) or output (for encoding).

Definition at line 91 of file pthread_frame.c.

Referenced by ff_frame_thread_free(), ff_thread_decode_frame(), frame_worker_thread(), init_thread(), and submit_packet().

◆ frame

AVFrame* PerThreadContext::frame

Output frame (for decoding) or input (for encoding).

Definition at line 93 of file pthread_frame.c.

Referenced by ff_frame_thread_free(), ff_thread_decode_frame(), ff_thread_flush(), frame_worker_thread(), and init_thread().

◆ got_frame

int PerThreadContext::got_frame

The output of got_picture_ptr from the last avcodec_decode_video() call.

Definition at line 94 of file pthread_frame.c.

Referenced by ff_thread_decode_frame(), ff_thread_flush(), frame_worker_thread(), and park_frame_worker_threads().

◆ result

int PerThreadContext::result

The result of the last codec decode/encode() call.

Definition at line 95 of file pthread_frame.c.

Referenced by ff_thread_decode_frame(), ff_thread_flush(), frame_worker_thread(), submit_packet(), and thread_get_buffer_internal().

◆ state

atomic_int PerThreadContext::state

Definition at line 97 of file pthread_frame.c.

Referenced by ff_thread_can_start_frame(), ff_thread_decode_frame(), ff_thread_finish_setup(), ff_thread_get_format(), frame_worker_thread(), init_thread(), park_frame_worker_threads(), submit_packet(), and thread_get_buffer_internal().

◆ released_buffers

AVFrame** PerThreadContext::released_buffers

Array of frames passed to ff_thread_release_buffer().

Frames are released after all threads referencing them are finished.

Definition at line 104 of file pthread_frame.c.

Referenced by ff_frame_thread_free(), and release_delayed_buffers().

◆ num_released_buffers

int PerThreadContext::num_released_buffers

Definition at line 105 of file pthread_frame.c.

Referenced by release_delayed_buffers().

◆ released_buffers_allocated

int PerThreadContext::released_buffers_allocated

Definition at line 106 of file pthread_frame.c.

Referenced by ff_frame_thread_free().

◆ requested_frame

AVFrame* PerThreadContext::requested_frame

AVFrame the codec passed to get_buffer()

Definition at line 108 of file pthread_frame.c.

Referenced by submit_packet(), and thread_get_buffer_internal().

◆ requested_flags

int PerThreadContext::requested_flags

flags passed to get_buffer() for requested_frame

Definition at line 109 of file pthread_frame.c.

Referenced by submit_packet(), and thread_get_buffer_internal().

◆ available_formats

enum AVPixelFormat* PerThreadContext::available_formats

Format array for get_format()

Definition at line 111 of file pthread_frame.c.

Referenced by ff_thread_get_format(), and submit_packet().

◆ result_format

enum AVPixelFormat PerThreadContext::result_format

get_format() result

Definition at line 112 of file pthread_frame.c.

Referenced by ff_thread_get_format(), and submit_packet().

◆ die

int PerThreadContext::die

Set when the thread should exit.

Definition at line 115 of file pthread_frame.c.

Referenced by ff_frame_thread_free(), and frame_worker_thread().

◆ hwaccel_serializing

int PerThreadContext::hwaccel_serializing

Definition at line 117 of file pthread_frame.c.

Referenced by ff_thread_finish_setup(), and frame_worker_thread().

◆ async_serializing

int PerThreadContext::async_serializing

Definition at line 118 of file pthread_frame.c.

Referenced by ff_thread_finish_setup(), and frame_worker_thread().

◆ debug_threads

atomic_int PerThreadContext::debug_threads

Set if the FF_DEBUG_THREADS option is set.

Definition at line 120 of file pthread_frame.c.

Referenced by ff_thread_await_progress(), ff_thread_report_progress(), init_thread(), and submit_packet().

The documentation for this struct was generated from the following file:

libavcodec/pthread_frame.c

Generated on Wed Aug 24 2022 21:38:58 for FFmpeg by doxygen 1.8.17