47 unsigned x = 0, y = 0;
52 unsigned run = bytestream2_get_byte(gb);
60 fill = bytestream2_get_byte(gb);
63 fill = bytestream2_get_le16(gb);
66 fill = bytestream2_get_le24(gb);
69 fill = bytestream2_get_le32(gb);
73 for (j = 0; j <
run; j++) {
76 bytestream2_put_byte(pb, fill);
79 bytestream2_put_le16(pb, fill);
82 bytestream2_put_le24(pb, fill);
85 bytestream2_put_le32(pb, fill);
91 unsigned copy = bytestream2_get_byte(gb);
97 }
else if (
copy == 1) {
99 }
else if (
copy == 2) {
101 x += bytestream2_get_byte(gb);
102 y += bytestream2_get_byte(gb);
109 for (j = 0; j <
copy; j++) {
112 bytestream2_put_byte(pb, bytestream2_get_byte(gb));
115 bytestream2_put_le16(pb, bytestream2_get_le16(gb));
118 bytestream2_put_le24(pb, bytestream2_get_le24(gb));
121 bytestream2_put_le32(pb, bytestream2_get_le32(gb));
126 if (
s->bpp == 1 && (
copy & 1))
137 void *
data,
int *got_frame,
143 int buf_size = avpkt->
size;
166 for (j = 0; j < 256; j++)
167 s->pal[j] = 0xFF000000 |
AV_RL32(pal + j * 4);
174 ret = inflateReset(&
s->zstream);
179 s->zstream.next_in = buf;
180 s->zstream.avail_in = buf_size;
181 s->zstream.next_out =
s->decomp_buf;
182 s->zstream.avail_out =
s->decomp_size;
183 ret =
inflate(&
s->zstream, Z_FINISH);
184 if (ret != Z_STREAM_END) {
196 for (j = 0; j < avctx->
height; j++) {
198 s->uncomp_buf +
s->bpp * j * avctx->
width,
s->bpp * avctx->
width);
235 s->zstream.zalloc = Z_NULL;
236 s->zstream.zfree = Z_NULL;
237 s->zstream.opaque = Z_NULL;
238 zret = inflateInit(&
s->zstream);
255 inflateEnd(&
s->zstream);
Libavcodec external API header.
uint8_t * av_packet_get_side_data(const AVPacket *pkt, enum AVPacketSideDataType type, buffer_size_t *size)
static av_cold int init(AVCodecContext *avctx)
static av_always_inline void bytestream2_init_writer(PutByteContext *p, uint8_t *buf, int buf_size)
static av_always_inline int bytestream2_get_bytes_left_p(PutByteContext *p)
static av_always_inline int bytestream2_get_bytes_left(GetByteContext *g)
static av_always_inline void bytestream2_init(GetByteContext *g, const uint8_t *buf, int buf_size)
static av_always_inline void bytestream2_skip(GetByteContext *g, unsigned int size)
static av_always_inline int bytestream2_seek_p(PutByteContext *p, int offset, int whence)
int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
Get a buffer for a frame.
static void decode(AVCodecContext *dec_ctx, AVPacket *pkt, AVFrame *frame, FILE *outfile)
#define AV_CODEC_CAP_DR1
Codec uses get_buffer() or get_encode_buffer() for allocating buffers and supports custom allocators.
@ AV_PKT_DATA_PALETTE
An AV_PKT_DATA_PALETTE side data packet contains exactly AVPALETTE_SIZE bytes worth of palette.
#define AVERROR_UNKNOWN
Unknown error, typically from an external library.
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
@ AV_PICTURE_TYPE_I
Intra.
#define FF_CODEC_CAP_INIT_CLEANUP
The codec allows calling the close function for deallocation even if the init function returned a fai...
common internal API header
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
static int rle_uncompress(AVCodecContext *avctx, GetByteContext *gb, PutByteContext *pb)
static av_cold int decode_close(AVCodecContext *avctx)
static av_cold int decode_init(AVCodecContext *avctx)
static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
@ AV_PIX_FMT_BGRA
packed BGRA 8:8:8:8, 32bpp, BGRABGRA...
@ AV_PIX_FMT_PAL8
8 bits with AV_PIX_FMT_RGB32 palette
@ AV_PIX_FMT_BGR24
packed RGB 8:8:8, 24bpp, BGRBGR...
#define AV_PIX_FMT_RGB555
main external API structure.
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
int width
picture width / height.
int bits_per_coded_sample
bits per sample/pixel from the demuxer (needed for huffyuv).
const char * name
Name of the codec implementation.
This structure describes decoded (raw) audio or video data.
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
int key_frame
1 -> keyframe, 0-> not
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.
enum AVPictureType pict_type
Picture type of the frame.
This structure stores compressed data.
static void inflate(uint8_t *dst, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord, int maxc)
static void copy(const float *p1, float *p2, const int length)