65 const AVFrame *pict,
int *got_packet)
84 zret = deflateReset(&c->
zstream);
92 for(i = avctx->
height - 1; i >= 0; i--) {
95 zret = deflate(&c->
zstream, Z_NO_FLUSH);
101 zret = deflate(&c->
zstream, Z_FINISH);
102 if (zret != Z_STREAM_END) {
127 #if FF_API_CODED_FRAME #define FF_CODEC_CAP_INIT_CLEANUP
The codec allows calling the close function for deallocation even if the init function returned a fai...
This structure describes decoded (raw) audio or video data.
memory handling functions
static av_cold int encode_end(AVCodecContext *avctx)
av_log(ac->avr, AV_LOG_TRACE, "%d samples - audio_convert: %s to %s (%s)\, len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt), use_generic ? ac->func_descr_generic :ac->func_descr)
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
static av_cold int encode_init(AVCodecContext *avctx)
void av_freep(void *arg)
Free a memory block which has been allocated with av_malloc(z)() or av_realloc() and set the pointer ...
#define FF_CODEC_CAP_INIT_THREADSAFE
The codec does not modify any global variables in the init function, allowing to call the init functi...
uint8_t * extradata
some codecs need / can use extradata like Huffman tables.
int bits_per_coded_sample
bits per sample/pixel from the demuxer (needed for huffyuv).
#define AV_PKT_FLAG_KEY
The packet contains a keyframe.
int av_new_packet(AVPacket *pkt, int size)
Allocate the payload of a packet and initialize its fields with default values.
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
const char * name
Name of the codec implementation.
int flags
A combination of AV_PKT_FLAG values.
common internal API header
enum AVPictureType pict_type
Picture type of the frame.
int width
picture width / height.
packed RGB 8:8:8, 24bpp, BGRBGR...
Libavcodec external API header.
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
main external API structure.
static int encode_frame(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *pict, int *got_packet)
static enum AVPixelFormat pix_fmts[]
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
#define FF_DISABLE_DEPRECATION_WARNINGS
common internal api header.
attribute_deprecated AVFrame * coded_frame
the picture in the bitstream
#define AVERROR_UNKNOWN
Unknown error, typically from an external library.
static av_cold int init(AVCodecParserContext *s)
#define FF_ENABLE_DEPRECATION_WARNINGS
int key_frame
1 -> keyframe, 0-> not
AVPixelFormat
Pixel format.
This structure stores compressed data.
void * av_mallocz(size_t size)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...