144 int tiles_nb, packed_size, pixel_size = 0;
156 tiles_nb = bytestream2_get_le16(gbc);
158 tiles_nb *
sizeof(*ctx->
tiles));
170 uLongf packed_tiles_size;
173 packed_tiles_size = bytestream2_get_byte(gbc);
175 packed_tiles_size = bytestream2_get_le16(gbc);
177 ff_dlog(avctx,
"packed tiles of size %lu.\n", packed_tiles_size);
180 if (packed_tiles_size != tiles_nb *
TILE_SIZE) {
183 if (!inflated_tiles) {
188 ret = uncompress(inflated_tiles, &length,
189 gbc->
buffer, packed_tiles_size);
205 for (i = 0; i < tiles_nb; i++) {
206 ctx->
tiles[i].
x = bytestream2_get_le16(gbc);
207 ctx->
tiles[i].
w = bytestream2_get_le16(gbc);
208 ctx->
tiles[i].
y = bytestream2_get_le16(gbc);
209 ctx->
tiles[i].
h = bytestream2_get_le16(gbc);
213 ff_dlog(avctx,
"tile %d orig(%d,%d) %dx%d.\n", i,
219 "invalid tile %d at (%d.%d) with size %dx%d.\n", i,
227 "out of bounds tile %d at (%d.%d) with size %dx%d.\n", i,
239 if (pixel_size < 0x100)
240 packed_size = bytestream2_get_byte(gbc);
241 else if (pixel_size < 0x10000)
242 packed_size = bytestream2_get_le16(gbc);
243 else if (pixel_size < 0x1000000)
244 packed_size = bytestream2_get_le24(gbc);
246 packed_size = bytestream2_get_le32(gbc);
248 ff_dlog(avctx,
"pixel_size %d packed_size %d.\n", pixel_size, packed_size);
251 if (pixel_size == packed_size) {
271 for (i = 0; i < tiles_nb; i++) {
#define FF_CODEC_CAP_INIT_CLEANUP
The codec allows calling the close function for deallocation even if the init function returned a fai...
void * av_malloc(size_t size)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
This structure describes decoded (raw) audio or video data.
packed RGB 5:5:5, 16bpp, (msb)1A 5R 5G 5B(lsb), little-endian, most significant bit to 0 ...
av_log(ac->avr, AV_LOG_TRACE, "%d samples - audio_convert: %s to %s (%s)\, len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt), use_generic ? ac->func_descr_generic :ac->func_descr)
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 av_cold int rscc_init(AVCodecContext *avctx)
void av_freep(void *arg)
Free a memory block which has been allocated with av_malloc(z)() or av_realloc() and set the pointer ...
#define FF_CODEC_CAP_INIT_THREADSAFE
The codec does not modify any global variables in the init function, allowing to call the init functi...
AVFrame * av_frame_alloc(void)
Allocate an AVFrame and set its fields to default values.
int av_frame_ref(AVFrame *dst, const AVFrame *src)
Set up a new reference to the data described by the source frame.
int bits_per_coded_sample
bits per sample/pixel from the demuxer (needed for huffyuv).
#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)
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
packed BGRA 8:8:8:8, 32bpp, BGRABGRA...
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
static av_always_inline unsigned int bytestream2_get_bytes_left(GetByteContext *g)
const char * name
Name of the codec implementation.
static int rscc_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
common internal API header
int av_image_check_size(unsigned int w, unsigned int h, int log_offset, void *log_ctx)
Check if the given dimension of an image is valid, meaning that all bytes of the image can be address...
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...
enum AVPictureType pict_type
Picture type of the frame.
int width
picture width / height.
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.
unsigned int codec_tag
fourcc (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A').
static av_cold int rscc_close(AVCodecContext *avctx)
void avpriv_report_missing_feature(void *avc, const char *msg,...) av_printf_format(2
Log a generic warning message about a missing feature.
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
void av_fast_malloc(void *ptr, unsigned int *size, size_t min_size)
Allocate a buffer, reusing the given one if large enough.
common internal api header.
#define AVERROR_UNKNOWN
Unknown error, typically from an external library.
int key_frame
1 -> keyframe, 0-> not
void av_image_copy_plane(uint8_t *dst, int dst_linesize, const uint8_t *src, int src_linesize, int bytewidth, int height)
Copy image plane from src to dst.
#define MKTAG(a, b, c, d)
This structure stores compressed data.
#define AV_CODEC_CAP_DR1
Codec uses get_buffer() for allocating buffers and supports custom allocators.