52 int buf_size = avpkt->
size;
55 uint8_t *src, *dst_offset, colour1, colour2;
76 pal = (uint32_t *)frame->
data[1];
80 for (j = 0; j < 3; j++, shift -= 8)
81 *pal += ((avctx->
extradata[i * 3 + j] << 2) |
82 (avctx->
extradata[i * 3 + j] >> 4)) << shift;
93 while (dst != frame_end) {
94 static const uint8_t lentab[4] = { 0, 2, 0, 1 };
95 unsigned int byte = bytestream2_get_byte(&g),
av_uninit(offset);
96 unsigned int code = byte >> 6;
97 unsigned int length = byte & ~0xC0;
101 "Input resolution larger than actual frame.\n");
108 length = bytestream2_get_byte(&g);
109 offset = bytestream2_get_le16(&g);
111 length = bytestream2_get_le16(&g);
112 if (code == 2 && length == 0)
117 offset = bytestream2_get_byte(&g);
121 if (dst + (length << lentab[code]) > frame_end)
134 dst_offset = dst - offset;
136 if (dst_offset < bfi->dst)
139 *dst++ = *dst_offset++;
145 colour1 = bytestream2_get_byte(&g);
146 colour2 = bytestream2_get_byte(&g);
156 dst = frame->
data[0];
158 memcpy(dst, src, avctx->
width);
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
This structure describes decoded (raw) audio or video data.
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 int decode(MimicContext *ctx, int quality, int num_coeffs, int is_iframe)
8 bit with PIX_FMT_RGB32 palette
uint8_t * extradata
some codecs need / can use extradata like Huffman tables.
#define CODEC_CAP_DR1
Codec uses get_buffer() for allocating buffers and supports custom allocators.
#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(). ...
static av_always_inline void bytestream2_skip(GetByteContext *g, unsigned int size)
#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_buffer(GetByteContext *g, uint8_t *dst, unsigned int size)
static av_always_inline unsigned int bytestream2_get_bytes_left(GetByteContext *g)
void av_log(void *avcl, int level, const char *fmt,...)
const char * name
Name of the codec implementation.
static void frame_end(MpegEncContext *s)
enum AVPictureType pict_type
Picture type of the frame.
static av_cold int bfi_decode_close(AVCodecContext *avctx)
int width
picture width / height.
Libavcodec external API header.
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
static av_cold int bfi_decode_init(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.
int palette_has_changed
Tell user application that palette has changed from previous frame.
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
common internal api header.
common internal and external API header
static int bfi_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
static av_cold int init(AVCodecParserContext *s)
int key_frame
1 -> keyframe, 0-> not
int frame_number
Frame counter, set by libavcodec.
This structure stores compressed data.
void * av_mallocz(size_t size)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...