24 #ifndef AVCODEC_INTERNAL_H
25 #define AVCODEC_INTERNAL_H
29 #include "libavutil/buffer.h"
30 #include "libavutil/mathematics.h"
31 #include "libavutil/pixfmt.h"
35 #define FF_SANE_NB_CHANNELS 63U
80 #if FF_API_OLD_ENCODE_AUDIO
155 #define FF_MAX_EXTRADATA_SIZE ((1 << 28) - FF_INPUT_BUFFER_PADDING_SIZE)
int ff_unlock_avcodec(void)
int ff_thread_can_start_frame(AVCodecContext *avctx)
int ff_alloc_packet2(AVCodecContext *avctx, AVPacket *avpkt, int64_t size)
Check AVPacket size and/or allocate data.
This structure describes decoded (raw) audio or video data.
int avpriv_unlock_avformat(void)
int stride_align[AV_NUM_DATA_POINTERS]
AVBufferPool * pools[4]
Pools for each data plane.
int avpriv_h264_has_num_reorder_frames(AVCodecContext *avctx)
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented...
static const uint32_t color[16+AV_CLASS_CATEGORY_NB]
static av_cold int end(AVCodecContext *avctx)
void * frame_thread_encoder
enum AVPixelFormat pix_fmt
#define AV_NUM_DATA_POINTERS
const OptionDef options[]
int avpriv_bprint_to_extradata(AVCodecContext *avctx, struct AVBPrint *buf)
Finalize buf into extradata and set its size appropriately.
const uint8_t * avpriv_find_start_code(const uint8_t *p, const uint8_t *end, uint32_t *state)
int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq) av_const
Rescale a 64-bit integer by 2 rational numbers.
AVCodecID
Identify the syntax and semantics of the bitstream.
int ff_codec_open2_recursive(AVCodecContext *avctx, const AVCodec *codec, AVDictionary **options)
Call avcodec_open2 recursively by decrementing counter, unlocking mutex, calling the function and the...
int is_copy
Whether the parent AVCodecContext is a copy of the context which had init() called on it...
int avpriv_lock_avformat(void)
Libavcodec external API header.
AVPixelFormat
Pixel format.
int ff_reget_buffer(AVCodecContext *avctx, AVFrame *frame)
Identical in function to av_frame_make_writable(), except it uses ff_get_buffer() to allocate the buf...
Buffer to print data progressively.
int ff_alloc_packet(AVPacket *avpkt, int size)
int sample_rate
samples per second
void avpriv_color_frame(AVFrame *frame, const int color[4])
main external API structure.
volatile int ff_avcodec_locked
int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
Get a buffer for a frame.
int ff_init_buffer_info(AVCodecContext *s, AVFrame *frame)
does needed setup of pkt_pts/pos and such for (re)get_buffer();
unsigned int avpriv_toupper4(unsigned int x)
rational number numerator/denominator
AVHWAccel * ff_find_hwaccel(enum AVCodecID codec_id, enum AVPixelFormat pix_fmt)
Return the hardware accelerated codec for codec codec_id and pixel format pix_fmt.
int skip_samples
Number of audio samples to skip at the start of the next decoded frame.
int allocate_progress
Whether to allocate progress for frame threading.
static struct twinvq_data tab
unsigned int byte_buffer_size
int ff_codec_close_recursive(AVCodecContext *avctx)
Call avcodec_close recursively, counterpart to avcodec_open2_recursive.
static av_always_inline int64_t ff_samples_to_time_base(AVCodecContext *avctx, int64_t samples)
Rescale from sample rate to AVCodecContext.time_base.
This structure stores compressed data.
uint8_t * byte_buffer
temporary buffer used for encoders to store their bitstream
int ff_match_2uint16(const uint16_t(*tab)[2], int size, int a, int b)
Return the index into tab at which {a,b} match elements {[0],[1]} of tab.
#define AV_NOPTS_VALUE
Undefined timestamp value.
int last_audio_frame
An audio frame with less than required samples has been submitted and padded with silence...
int ff_lock_avcodec(AVCodecContext *log_ctx)