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 111 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().

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

• libavcodec/pthread_frame.c