28 #define BIT_PLANAR 0x00 29 #define BYTE_PLANAR 0x20 32 #define BYTE_LINE 0xC0 63 unsigned r = ((rgb >> 8) & 0xF) * 0x11;
64 unsigned g = ((rgb >> 4) & 0xF) * 0x11;
65 unsigned b = (rgb & 0xF) * 0x11;
66 AV_WN32(&new_palette[i], (r << 16) | (g << 8) | b);
76 for (plane = 0; plane < c->
bpp; plane++) {
79 out[linesize * y + x] |=
get_bits1(&gb) << plane;
92 for (plane = 0; plane < c->
bpp; plane++) {
94 out[linesize * y + x] |=
get_bits1(&gb) << plane;
116 uint32_t *new_palette = (uint32_t *)frame->
data[1];
125 uint32_t new_palette[16],
r,
g,
b;
130 out = frame->
data[0];
135 for (y = 0; y < avctx->
height; y++) {
136 r = new_palette[0] & 0xFF0000;
137 g = new_palette[0] & 0xFF00;
138 b = new_palette[0] & 0xFF;
139 for (x = 0; x < avctx->
width; x++) {
145 r = new_palette[
index] & 0xFF0000;
146 g = new_palette[
index] & 0xFF00;
147 b = new_palette[
index] & 0xFF;
153 r = index * 0x11 << 16;
156 g = index * 0x11 << 8;
159 AV_WL24(out + x * 3, r | g | b);
168 uint32_t new_palette[64],
r,
g,
b;
173 out = frame->
data[0];
178 for (y = 0; y < avctx->
height; y++) {
179 r = new_palette[0] & 0xFF0000;
180 g = new_palette[0] & 0xFF00;
181 b = new_palette[0] & 0xFF;
182 for (x = 0; x < avctx->
width; x++) {
188 r = new_palette[
index] & 0xFF0000;
189 g = new_palette[
index] & 0xFF00;
190 b = new_palette[
index] & 0xFF;
193 b = (index << 2) | (b & 3);
196 r = (index << 18) | (r & (3 << 16));
199 g = (index << 10) | (g & (3 << 8));
202 AV_WL24(out + x * 3, r | g | b);
213 int ret, w, h, encoding, aligned_width, buf_size = pkt->
size;
218 encoding = buf[1] & 7;
219 c->
format = buf[1] & 0xE0;
230 if (buf_size < c->palette_size + 32)
248 }
else if (encoding == 1 && (c->
bpp == 6 || c->
bpp == 8)) {
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
This structure describes decoded (raw) audio or video data.
int ff_set_dimensions(AVCodecContext *s, int width, int height)
Check that the provided frame dimensions are valid and set them on the codec context.
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
void av_fast_padded_malloc(void *ptr, unsigned int *size, size_t min_size)
Allocate a buffer with padding, reusing the given one if large enough.
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi - 0x80) *(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi - 0x80) *(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(const int16_t *) pi >> 8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t, *(const int16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t, *(const int16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(const int32_t *) pi >> 24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t, *(const int32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t, *(const int32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(const float *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(const float *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(const float *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(const double *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(const double *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(const double *) pi *(1U<< 31)))) #define SET_CONV_FUNC_GROUP(ofmt, ifmt) static void set_generic_function(AudioConvert *ac) { } void ff_audio_convert_free(AudioConvert **ac) { if(! *ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);} AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enum AVSampleFormat out_fmt, enum AVSampleFormat in_fmt, int channels, int sample_rate, int apply_map) { AudioConvert *ac;int in_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) return NULL;ac->avr=avr;ac->out_fmt=out_fmt;ac->in_fmt=in_fmt;ac->channels=channels;ac->apply_map=apply_map;if(avr->dither_method !=AV_RESAMPLE_DITHER_NONE &&av_get_packed_sample_fmt(out_fmt)==AV_SAMPLE_FMT_S16 &&av_get_bytes_per_sample(in_fmt) > 2) { ac->dc=ff_dither_alloc(avr, out_fmt, in_fmt, channels, sample_rate, apply_map);if(!ac->dc) { av_free(ac);return NULL;} return ac;} in_planar=ff_sample_fmt_is_planar(in_fmt, channels);out_planar=ff_sample_fmt_is_planar(out_fmt, channels);if(in_planar==out_planar) { ac->func_type=CONV_FUNC_TYPE_FLAT;ac->planes=in_planar ? ac->channels :1;} else if(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;else ac->func_type=CONV_FUNC_TYPE_DEINTERLEAVE;set_generic_function(ac);if(ARCH_AARCH64) ff_audio_convert_init_aarch64(ac);if(ARCH_ARM) ff_audio_convert_init_arm(ac);if(ARCH_X86) ff_audio_convert_init_x86(ac);return ac;} int ff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in) { int use_generic=1;int len=in->nb_samples;int p;if(ac->dc) { av_dlog(ac->avr, "%d samples - audio_convert: %s to %s (dithered)\", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));return ff_convert_dither(ac-> out
static void cdxl_decode_ham8(CDXLVideoContext *c, AVFrame *frame)
static int decode(MimicContext *ctx, int quality, int num_coeffs, int is_iframe)
void void avpriv_request_sample(void *avc, const char *msg,...) av_printf_format(2
Log a generic warning message about a missing feature.
8 bit with PIX_FMT_RGB32 palette
#define CODEC_CAP_DR1
Codec uses get_buffer() for allocating buffers and supports custom allocators.
static av_cold int cdxl_decode_end(AVCodecContext *avctx)
bitstream reader API header.
static int cdxl_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *pkt)
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
void av_free(void *ptr)
Free a memory block which has been allocated with av_malloc(z)() or av_realloc(). ...
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
void av_log(void *avcl, int level, const char *fmt,...)
const char * name
Name of the codec implementation.
#define FF_INPUT_BUFFER_PADDING_SIZE
Required number of additionally allocated bytes at the end of the input bitstream for decoding...
static void bitline2chunky(CDXLVideoContext *c, int linesize, uint8_t *out)
enum AVPictureType pict_type
Picture type of the frame.
int width
picture width / height.
static av_cold int cdxl_decode_init(AVCodecContext *avctx)
packed RGB 8:8:8, 24bpp, BGRBGR...
#define AVERROR_PATCHWELCOME
Not yet implemented in Libav, patches welcome.
Libavcodec external API header.
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
main external API structure.
static void close(AVCodecParserContext *s)
int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
Get a buffer for a frame.
static unsigned int get_bits1(GetBitContext *s)
static void skip_bits(GetBitContext *s, int n)
static int init_get_bits(GetBitContext *s, const uint8_t *buffer, int bit_size)
Initialize GetBitContext.
static void bitplanar2chunky(CDXLVideoContext *c, int linesize, uint8_t *out)
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
static void cdxl_decode_rgb(CDXLVideoContext *c, AVFrame *frame)
static int op(uint8_t **dst, const uint8_t *dst_end, GetByteContext *gb, int pixel, int count, int *x, int width, int linesize)
Perform decode operation.
common internal api header.
static av_cold int init(AVCodecParserContext *s)
static void cdxl_decode_ham6(CDXLVideoContext *c, AVFrame *frame)
static void import_format(CDXLVideoContext *c, int linesize, uint8_t *out)
This structure stores compressed data.
static void import_palette(CDXLVideoContext *c, uint32_t *new_palette)