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28 if (avctx->
width & 7) {
40 const AVFrame *pic,
int *got_packet)
51 for (
i = avctx->
height - 1;
i >= 0;
i--) {
55 for (j = 0; j < avctx->
width; j += 8) {
int64_t ff_guess_coded_bitrate(AVCodecContext *avctx)
Get an estimated video bitrate based on frame size, frame rate and coded bits per pixel.
AVPixelFormat
Pixel format.
#define u(width, name, range_min, range_max)
static av_cold int y41p_encode_close(AVCodecContext *avctx)
This structure describes decoded (raw) audio or video data.
#define AV_PKT_FLAG_KEY
The packet contains a keyframe.
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
static int y41p_encode_frame(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *pic, int *got_packet)
int64_t bit_rate
the average bitrate
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
static av_cold int y41p_encode_init(AVCodecContext *avctx)
int flags
A combination of AV_PKT_FLAG values.
int bits_per_coded_sample
bits per sample/pixel from the demuxer (needed for huffyuv).
#define i(width, name, range_min, range_max)
const char * name
Name of the codec implementation.
main external API structure.
This structure stores compressed data.
@ AV_PIX_FMT_YUV411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
int width
picture width / height.
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
int ff_alloc_packet2(AVCodecContext *avctx, AVPacket *avpkt, int64_t size, int64_t min_size)
Check AVPacket size and/or allocate data.