72 { 0, 0, 0, 4, 4, 4, 4, 0};
78 { 0x10, 0x13, 0x17, 0x1A, 0x1E, 0x21, 0x25, 0x28,
79 0x2C, 0x2F, 0x33, 0x36, 0x3A, 0x3D, 0x41, 0x44,
80 0x48, 0x4B, 0x4F, 0x52, 0x56, 0x59, 0x5C, 0x60,
81 0x63, 0x67, 0x6A, 0x6E, 0x71, 0x75, 0x78, 0x7C,
82 0x7F, 0x83, 0x86, 0x8A, 0x8D, 0x91, 0x94, 0x98,
83 0x9B, 0x9F, 0xA2, 0xA5, 0xA9, 0xAC, 0xB0, 0xB3,
84 0xB7, 0xBA, 0xBE, 0xC1, 0xC5, 0xC8, 0xCC, 0xCF,
85 0xD3, 0xD6, 0xDA, 0xDD, 0xE1, 0xE4, 0xE8, 0xEB};
88 { 0x60, 0x67, 0x6D, 0x73, 0x7A, 0x80, 0x86, 0x8D,
89 0x93, 0x99, 0xA0, 0xA6, 0xAC, 0xB3, 0xB9, 0xC0};
96 uint8_t *y_plane, *cr_plane, *cb_plane;
100 cr_plane = frame->
data[1] + (x / 4) + (y / 4) * frame->
linesize[1];
101 cb_plane = frame->
data[2] + (x / 4) + (y / 4) * frame->
linesize[2];
108 for(i = 0; i < 16; i++){
118 int f0,
int f1,
int Y0,
int Y1,
int chroma)
122 for(mask = 0x80, i = 0;
mask; mask >>= 1, i++) {
129 for(mask = 0x80, i = 8;
mask; mask >>= 1, i++) {
155 Luma[0] = Y[0]; Luma[1] = Y[1]; Luma[2] = Y[2]; Luma[3] = Y[3];
156 Luma[4] = Y[0]; Luma[5] = Y[1]; Luma[6] = Y[2]; Luma[7] = Y[3];
157 Luma[8] = Y[0]; Luma[9] = Y[1]; Luma[10] = Y[2]; Luma[11] = Y[3];
158 Luma[12] = Y[0]; Luma[13] = Y[1]; Luma[14] = Y[2]; Luma[15] = Y[3];
161 Luma[0] = Y[1]; Luma[1] = Y[2]; Luma[2] = Y[3]; Luma[3] = Y[3];
162 Luma[4] = Y[0]; Luma[5] = Y[1]; Luma[6] = Y[2]; Luma[7] = Y[3];
163 Luma[8] = Y[0]; Luma[9] = Y[1]; Luma[10] = Y[2]; Luma[11] = Y[3];
164 Luma[12] = Y[0]; Luma[13] = Y[0]; Luma[14] = Y[1]; Luma[15] = Y[2];
167 Luma[0] = Y[1]; Luma[1] = Y[2]; Luma[2] = Y[3]; Luma[3] = Y[3];
168 Luma[4] = Y[1]; Luma[5] = Y[2]; Luma[6] = Y[2]; Luma[7] = Y[3];
169 Luma[8] = Y[0]; Luma[9] = Y[1]; Luma[10] = Y[1]; Luma[11] = Y[2];
170 Luma[12] = Y[0]; Luma[13] = Y[0]; Luma[14] = Y[1]; Luma[15] = Y[2];
173 Luma[0] = Y[2]; Luma[1] = Y[3]; Luma[2] = Y[3]; Luma[3] = Y[3];
174 Luma[4] = Y[1]; Luma[5] = Y[2]; Luma[6] = Y[2]; Luma[7] = Y[3];
175 Luma[8] = Y[0]; Luma[9] = Y[1]; Luma[10] = Y[1]; Luma[11] = Y[2];
176 Luma[12] = Y[0]; Luma[13] = Y[0]; Luma[14] = Y[0]; Luma[15] = Y[1];
179 Luma[0] = Y[3]; Luma[1] = Y[3]; Luma[2] = Y[3]; Luma[3] = Y[3];
180 Luma[4] = Y[2]; Luma[5] = Y[2]; Luma[6] = Y[2]; Luma[7] = Y[2];
181 Luma[8] = Y[1]; Luma[9] = Y[1]; Luma[10] = Y[1]; Luma[11] = Y[1];
182 Luma[12] = Y[0]; Luma[13] = Y[0]; Luma[14] = Y[0]; Luma[15] = Y[0];
185 Luma[0] = Y[3]; Luma[1] = Y[3]; Luma[2] = Y[3]; Luma[3] = Y[2];
186 Luma[4] = Y[3]; Luma[5] = Y[2]; Luma[6] = Y[2]; Luma[7] = Y[1];
187 Luma[8] = Y[2]; Luma[9] = Y[1]; Luma[10] = Y[1]; Luma[11] = Y[0];
188 Luma[12] = Y[1]; Luma[13] = Y[0]; Luma[14] = Y[0]; Luma[15] = Y[0];
191 Luma[0] = Y[3]; Luma[1] = Y[3]; Luma[2] = Y[2]; Luma[3] = Y[2];
192 Luma[4] = Y[3]; Luma[5] = Y[2]; Luma[6] = Y[1]; Luma[7] = Y[1];
193 Luma[8] = Y[2]; Luma[9] = Y[2]; Luma[10] = Y[1]; Luma[11] = Y[0];
194 Luma[12] = Y[1]; Luma[13] = Y[1]; Luma[14] = Y[0]; Luma[15] = Y[0];
197 Luma[0] = Y[3]; Luma[1] = Y[3]; Luma[2] = Y[2]; Luma[3] = Y[1];
198 Luma[4] = Y[3]; Luma[5] = Y[2]; Luma[6] = Y[1]; Luma[7] = Y[0];
199 Luma[8] = Y[3]; Luma[9] = Y[2]; Luma[10] = Y[1]; Luma[11] = Y[0];
200 Luma[12] = Y[2]; Luma[13] = Y[1]; Luma[14] = Y[0]; Luma[15] = Y[0];
203 Luma[0] = Y[0]; Luma[1] = Y[0]; Luma[2] = Y[1]; Luma[3] = Y[1];
204 Luma[4] = Y[0]; Luma[5] = Y[0]; Luma[6] = Y[1]; Luma[7] = Y[1];
205 Luma[8] = Y[2]; Luma[9] = Y[2]; Luma[10] = Y[3]; Luma[11] = Y[3];
206 Luma[12] = Y[2]; Luma[13] = Y[2]; Luma[14] = Y[3]; Luma[15] = Y[3];
214 void *
data,
int *got_frame,
218 int buf_size = avpkt->
size;
242 idx = bytestream2_get_byteu(&s->
gb);
243 if((idx & 0xF8) == 0x70) {
246 modifier = bytestream2_get_byte(&s->
gb);
248 av_log(avctx,
AV_LOG_INFO,
"warning: modifier must be 0 or 1, got %i\n", modifier);
260 skip = bytestream2_get_byte(&s->
gb);
261 if ((blocks + skip) >= s->
blocks)
265 while(x >= s->
width) {
287 chroma = bytestream2_get_byte(&s->
gb);
290 for (i = 0; i < 4; i++) {
291 code = (idx >> (6 - i*2)) & 3;
295 chroma = bytestream2_get_byte(&s->
gb);
298 ty = y + block_coords[(i * 2) + 1];
301 tmp = bytestream2_get_byte(&s->
gb);
321 tmp = bytestream2_get_be24(&s->
gb);
323 Y[0] = (tmp >> 18) & 0x3F;
324 Y[1] = (tmp >> 12) & 0x3F;
325 Y[2] = (tmp >> 6) & 0x3F;
329 tmp = bytestream2_get_be16(&s->
gb);
331 angle = (tmp >> 12) & 0xF;
347 tmp = bytestream2_get_be24u(&s->
gb);
348 Luma[0] = (tmp >> 18) & 0x3F;
349 Luma[1] = (tmp >> 12) & 0x3F;
350 Luma[2] = (tmp >> 6) & 0x3F;
351 Luma[3] = tmp & 0x3F;
353 tmp = bytestream2_get_be24u(&s->
gb);
354 Luma[4] = (tmp >> 18) & 0x3F;
355 Luma[5] = (tmp >> 12) & 0x3F;
356 Luma[6] = (tmp >> 6) & 0x3F;
357 Luma[7] = tmp & 0x3F;
359 tmp = bytestream2_get_be24u(&s->
gb);
360 Luma[8] = (tmp >> 18) & 0x3F;
361 Luma[9] = (tmp >> 12) & 0x3F;
362 Luma[10] = (tmp >> 6) & 0x3F;
363 Luma[11] = tmp & 0x3F;
365 tmp = bytestream2_get_be24u(&s->
gb);
366 Luma[12] = (tmp >> 18) & 0x3F;
367 Luma[13] = (tmp >> 12) & 0x3F;
368 Luma[14] = (tmp >> 6) & 0x3F;
369 Luma[15] = tmp & 0x3F;
375 tmp = bytestream2_get_byteu(&s->
gb);
377 angle = (tmp >> 4) & 0x7;
378 tmp = (tmp << 8) + bytestream2_get_byteu(&s->
gb);
379 Y[0] = (tmp >> 6) & 0x3F;
381 Y[2] = bytestream2_get_byteu(&s->
gb) & 0x3F;
382 Y[3] = bytestream2_get_byteu(&s->
gb) & 0x3F;
386 int f1 = bytestream2_get_byteu(&s->
gb);
387 Y[0] = bytestream2_get_byteu(&s->
gb) & 0x3F;
388 Y[1] = bytestream2_get_byteu(&s->
gb) & 0x3F;
414 "Insufficient data\n");
419 .
name =
"ultimotion",
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
This structure describes decoded (raw) audio or video data.
static av_cold int ulti_decode_end(AVCodecContext *avctx)
ptrdiff_t const GLvoid * data
static av_cold int init(AVCodecContext *avctx)
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
static av_always_inline void bytestream2_init(GetByteContext *g, const uint8_t *buf, int buf_size)
static void decode(AVCodecContext *dec_ctx, AVPacket *pkt, AVFrame *frame, FILE *outfile)
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...
AVFrame * av_frame_alloc(void)
Allocate an AVFrame and set its fields to default values.
int av_frame_ref(AVFrame *dst, const AVFrame *src)
Set up a new reference to the data described by the source frame.
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
static const uint16_t mask[17]
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
static av_always_inline unsigned int bytestream2_get_bytes_left(GetByteContext *g)
const char * name
Name of the codec implementation.
static const unsigned char ulti_codebook[16384]
static const int angle_by_index[4]
int width
picture width / height.
#define AV_LOG_INFO
Standard information.
static int ulti_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
Libavcodec external API header.
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
main external API structure.
static av_cold int ulti_decode_init(AVCodecContext *avctx)
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
const uint8_t * ulti_codebook
static void ulti_convert_yuv(AVFrame *frame, int x, int y, uint8_t *luma, int chroma)
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
common internal api header.
static void ulti_grad(AVFrame *frame, int x, int y, uint8_t *Y, int chroma, int angle)
static void ulti_pattern(AVFrame *frame, int x, int y, int f0, int f1, int Y0, int Y1, int chroma)
static const uint8_t ulti_chromas[16]
static const int block_coords[8]
This structure stores compressed data.
mode
Use these values in ebur128_init (or'ed).
#define AV_CODEC_CAP_DR1
Codec uses get_buffer() for allocating buffers and supports custom allocators.
static const uint8_t ulti_lumas[64]