55 int buf_size = avpkt->
size;
77 pal = (uint32_t *)frame->
data[1];
81 for (j = 0; j < 3; j++, shift -= 8)
82 *pal += ((avctx->
extradata[i * 3 + j] << 2) |
86 memcpy(bfi->
pal, frame->
data[1],
sizeof(bfi->
pal));
92 memcpy(frame->
data[1], bfi->
pal,
sizeof(bfi->
pal));
97 while (dst != frame_end) {
98 static const uint8_t lentab[4] = { 0, 2, 0, 1 };
100 unsigned int code = byte >> 6;
101 unsigned int length = byte & ~0xC0;
105 "Input resolution larger than actual frame.\n");
112 length = bytestream2_get_byte(&g);
113 offset = bytestream2_get_le16(&g);
115 length = bytestream2_get_le16(&g);
116 if (code == 2 && length == 0)
121 offset = bytestream2_get_byte(&g);
125 if (dst + (length << lentab[code]) > frame_end)
138 dst_offset = dst -
offset;
140 if (dst_offset < bfi->dst)
143 *dst++ = *dst_offset++;
149 colour1 = bytestream2_get_byte(&g);
150 colour2 = bytestream2_get_byte(&g);
160 dst = frame->
data[0];
162 memcpy(dst, src, avctx->
width);
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
static int shift(int a, int b)
This structure describes decoded (raw) audio or video data.
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)
8 bit with AV_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.
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)
const char * name
Name of the codec implementation.
static const uint8_t offset[127][2]
Libavcodec external API header.
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.
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL AV_WL16 uint64_t_TMPL AV_WB64 unsigned int_TMPL AV_WB32 unsigned int_TMPL AV_WB24 unsigned int_TMPL AV_WB16 unsigned int_TMPL byte
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.
int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
Get a buffer for a frame.
BYTE int const BYTE int int int height
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.
static int decode(AVCodecContext *avctx, void *data, int *got_sub, AVPacket *avpkt)
common internal api header.
common internal and external API header
static int bfi_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
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 ...