48 #define RGB332_TO_BGR8(x) (((x << 3) & 0xC0) | ((x << 3) & 0x38) | ((x >> 5) & 7))
53 for (i = 0; i <
size; i++)
68 const uint8_t *src_end = src + src_size;
80 while (src_end - src >= 2) {
82 if (v > 0 && v < 0xC0) {
92 }
else if (v >= 0xC1) {
96 if (src_end - src < length || length <= 0)
112 void *
data,
int *got_frame,
#define AVERROR_PATCHWELCOME
This structure describes decoded (raw) audio or video data.
static int sgirle_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
static av_always_inline void memcpy_rgb332_to_bgr8(uint8_t *dst, const uint8_t *src, int size)
static av_cold int init(AVCodecContext *avctx)
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
packed RGB 3:3:2, 8bpp, (msb)2B 3G 3R(lsb)
void void avpriv_request_sample(void *avc, const char *msg,...) av_printf_format(2
Log a generic warning message about a missing feature.
const char * name
Name of the codec implementation.
int av_frame_ref(AVFrame *dst, AVFrame *src)
Setup a new reference to the data described by a given frame.
#define CODEC_CAP_DR1
Codec uses get_buffer() for allocating buffers and supports custom allocators.
static av_cold int sgirle_decode_end(AVCodecContext *avctx)
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
AVFrame * av_frame_alloc(void)
Allocate an AVFrame and set its fields to default values.
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
Libavcodec external API header.
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...
int width
picture width / height.
static av_cold int sgirle_decode_init(AVCodecContext *avctx)
main external API structure.
static void close(AVCodecParserContext *s)
BYTE int const BYTE int int int height
AVCodec ff_sgirle_decoder
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
common internal api header.
static int decode_sgirle8(AVCodecContext *avctx, uint8_t *dst, const uint8_t *src, int src_size, int width, int height, int linesize)
static int decode(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
#define RGB332_TO_BGR8(x)
Convert SGI RGB332 pixel into AV_PIX_FMT_BGR8 SGI RGB332 is packed RGB 3:3:2, 8bpp, (msb)3R 2B 3G(lsb)
This structure stores compressed data.
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.