41 if (avpkt->
size < 6 * (avctx->
width + 1 >> 1) * (avctx->
height + 1 >> 1)) {
56 for (i = 0; i < (avctx->
height + 1) >> 1; i++) {
57 for (j = 0; j < (avctx->
width + 1) >> 1; j++) {
61 y[ 2 * j + 1] = *src++;
62 y[pic->
linesize[0] + 2 * j ] = *src++;
63 y[pic->
linesize[0] + 2 * j + 1] = *src++;
This structure describes decoded (raw) audio or video data.
static int yuv4_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
static av_cold int yuv4_decode_init(AVCodecContext *avctx)
void av_log(void *avcl, int level, const char *fmt,...) av_printf_format(3
Send the specified message to the log if the level is less than or equal to the current av_log_level...
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
const char * name
Name of the codec implementation.
#define CODEC_CAP_DR1
Codec uses get_buffer() for allocating buffers and supports custom allocators.
#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. ...
Libavcodec external API header.
enum AVPictureType pict_type
Picture type of the frame.
int width
picture width / height.
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
main external API structure.
int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
Get a buffer for a frame.
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
common internal api header.
int key_frame
1 -> keyframe, 0-> not
This structure stores compressed data.
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.