27 #include "libavutil/channel_layout.h"
56 0, 0, 0, 0, 0, 0, 0, 0,
57 0, 0, 0, 0, 0, 0, 0, 0,
58 0, 0, 0, -30210, -27853, -25680, -23677, -21829,
59 -20126, -18556, -17108, -15774, -14543, -13408, -12362, -11398,
60 -10508, -9689, -8933, -8236, -7593, -7001, -6455, -5951,
61 -5487, -5059, -4664, -4300, -3964, -3655, -3370, -3107,
62 -2865, -2641, -2435, -2245, -2070, -1908, -1759, -1622,
63 -1495, -1379, -1271, -1172, -1080, -996, -918, -847,
64 -781, -720, -663, -612, -564, -520, -479, -442,
65 -407, -376, -346, -319, -294, -271, -250, -230,
66 -212, -196, -181, -166, -153, -141, -130, -120,
67 -111, -102, -94, -87, -80, -74, -68, -62,
68 -58, -53, -49, -45, -41, -38, -35, -32,
69 -30, -27, -25, -23, -21, -20, -18, -17,
70 -15, -14, -13, -12, -11, -10, -9, -8,
71 -7, -6, -5, -4, -3, -2, -1, 0,
72 0, 1, 2, 3, 4, 5, 6, 7,
73 8, 9, 10, 11, 12, 13, 14, 15,
74 17, 18, 20, 21, 23, 25, 27, 30,
75 32, 35, 38, 41, 45, 49, 53, 58,
76 62, 68, 74, 80, 87, 94, 102, 111,
77 120, 130, 141, 153, 166, 181, 196, 212,
78 230, 250, 271, 294, 319, 346, 376, 407,
79 442, 479, 520, 564, 612, 663, 720, 781,
80 847, 918, 996, 1080, 1172, 1271, 1379, 1495,
81 1622, 1759, 1908, 2070, 2245, 2435, 2641, 2865,
82 3107, 3370, 3655, 3964, 4300, 4664, 5059, 5487,
83 5951, 6455, 7001, 7593, 8236, 8933, 9689, 10508,
84 11398, 12362, 13408, 14543, 15774, 17108, 18556, 20126,
85 21829, 23677, 25680, 27853, 30210, 0, 0, 0,
86 0, 0, 0, 0, 0, 0, 0, 0,
87 0, 0, 0, 0, 0, 0, 0, 0
94 for (i = 0; i < 3; ++i)
102 for (i = 0; i < 3; ++i) {
138 unsigned char *dst,
int dst_size)
140 int b, huff_code = 0;
141 unsigned char huff_code_table[15];
142 unsigned char *dst_cur = dst;
143 unsigned char *dst_end = dst + dst_size;
144 const unsigned char *src_end = src + src_size;
146 memcpy(huff_code_table, src, 15);
149 while (src < src_end) {
151 if ((huff_code >> 4) == 15) {
154 *dst_cur++ = b | (huff_code >> 4);
156 *dst_cur++ = huff_code_table[huff_code >> 4];
157 if (dst_cur >= dst_end)
161 if (huff_code == 15) {
164 *dst_cur++ = huff_code_table[huff_code];
165 if (dst_cur >= dst_end)
169 return dst_cur - dst;
173 unsigned char *dst,
int dst_size)
177 unsigned char *dst_end = dst + dst_size, *dst_start = dst;
178 const unsigned char *src_end = src + src_size;
180 while (src < src_end && dst < dst_end) {
182 for (i = 0; i < 8 && src < src_end && dst < dst_end; ++i) {
183 if (code & (1 << i)) {
189 if ((
int)(dst - dst_start) < offset + 1)
191 sz = (cmd & 0xF) + 2;
195 sz =
FFMIN(sz, dst_end - dst);
197 *dst = *(dst - offset - 1);
208 unsigned char *dst,
int dst_size)
211 unsigned char *dst_end = dst + dst_size;
212 const unsigned char *src_end = src + src_size;
214 while (src + 1 < src_end && dst < dst_end) {
218 memset(dst, *src++,
FFMIN(len, dst_end - dst));
221 if (len > src_end-src) {
225 memcpy(dst, src,
FFMIN3(len, dst_end - dst, src_end - src));
234 void *
data,
int *got_frame,
238 int buf_size = avpkt->
size;
240 int i,
y, palette_type, palette_colors_count,
241 bitmap_frame_type, bitmap_frame_size,
res = 0;
243 palette_type = buf[0];
244 palette_colors_count =
AV_RL16(buf + 1);
245 bitmap_frame_type = buf[3];
248 bitmap_frame_size = buf_size - 4;
251 if (bitmap_frame_size < palette_colors_count * (3 + (palette_type != 0)))
253 if (palette_type == 0) {
254 if (palette_colors_count > 256)
256 for (i = 0; i < palette_colors_count; ++i) {
257 cin->
palette[i] = 0xFF
U << 24 | bytestream_get_le24(&buf);
258 bitmap_frame_size -= 3;
261 for (i = 0; i < palette_colors_count; ++i) {
264 bitmap_frame_size -= 4;
270 switch (bitmap_frame_type) {
364 int *got_frame_ptr,
AVPacket *avpkt)
377 samples = (int16_t *)frame->
data[0];
386 while (buf < buf_end) {
388 delta = av_clip_int16(delta);
399 .
name =
"dsicinvideo",
411 .
name =
"dsicinaudio",
This structure describes decoded (raw) audio or video data.
static av_cold int init(AVCodecContext *avctx)
static av_cold int cinvideo_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.
static int cinaudio_decode_frame(AVCodecContext *avctx, void *data, int *got_frame_ptr, AVPacket *avpkt)
void av_freep(void *ptr)
Free a memory block which has been allocated with av_malloc(z)() or av_realloc() and set the pointer ...
if((e=av_dict_get(options,"", NULL, AV_DICT_IGNORE_SUFFIX)))
static int cin_decode_lzss(const unsigned char *src, int src_size, unsigned char *dst, int dst_size)
enum AVSampleFormat sample_fmt
audio sample format
static const uint8_t offset[511][2]
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.
#define FFSWAP(type, a, b)
#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. ...
uint8_t * bitmap_table[3]
Libavcodec external API header.
uint64_t channel_layout
Audio channel layout.
static const int16_t cinaudio_delta16_table[256]
static av_cold void destroy_buffers(CinVideoContext *cin)
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...
void av_frame_unref(AVFrame *frame)
Unreference all the buffers referenced by frame and reset the frame fields.
AVCodec ff_dsicinaudio_decoder
int width
picture width / height.
static int cin_decode_rle(const unsigned char *src, int src_size, unsigned char *dst, int dst_size)
static av_cold int cinvideo_decode_end(AVCodecContext *avctx)
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.
void avcodec_get_frame_defaults(AVFrame *frame)
Set the fields of the given AVFrame to default values.
int palette_has_changed
Tell user application that palette has changed from previous frame.
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
static av_const int sign_extend(int val, unsigned bits)
static av_cold int allocate_buffers(CinVideoContext *cin)
static void cin_apply_delta_data(const unsigned char *src, unsigned char *dst, int size)
common internal api header.
static int cin_decode_huffman(const unsigned char *src, int src_size, unsigned char *dst, int dst_size)
#define AVERROR_INVALIDDATA
int channels
number of audio channels
static int cinvideo_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
static av_cold int cinaudio_decode_init(AVCodecContext *avctx)
static int decode(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
AVCodec ff_dsicinvideo_decoder
8 bit with PIX_FMT_RGB32 palette
#define AV_CH_LAYOUT_MONO
This structure stores compressed data.
int nb_samples
number of audio samples (per channel) described by this frame
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
void * av_mallocz(size_t size) av_malloc_attrib 1(1)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...