30 #define FRAME_HEADER_SIZE 64
33 #define SUBSAMPLE_420 0
34 #define SUBSAMPLE_422 1
35 #define YUVORDER_YUYV 0
36 #define YUVORDER_UYVY 1
37 #define NOT_COMPRESSED 0
39 #define NO_DECIMATION 0
40 #define DECIMATION_ENAB 1
63 uint8_t *y, *u, *v, *y_end, *u_end, *v_end;
109 i++, src += linelength, src_size -= linelength
115 if (src_size < linelength) {
120 if (src[linelength - 1] !=
EOL) {
122 av_log(avctx,
AV_LOG_WARNING,
"Wrong line length %d or line not terminated properly (found 0x%02x)!\n", linelength, src[linelength - 1]);
140 for (j = 0; j < linelength - 1; j++) {
146 if ((src[j] & 1) && header[28] ==
COMPRESSED) {
160 for (j = 0; j < linelength - 4; ) {
161 if (y + 1 > y_end || u > u_end || v > v_end) {
166 if ((src[j] & 1) && header[28] ==
COMPRESSED) {
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
This structure describes decoded (raw) audio or video data.
ptrdiff_t const GLvoid * data
#define AV_LOG_WARNING
Something somehow does not look correct.
static av_cold int init(AVCodecContext *avctx)
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL AV_RL16
#define EOL
End Of Line marker.
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented...
#define MAGIC_0
First header byte.
AVFrame * av_frame_alloc(void)
Allocate an AVFrame and set its fields to default values.
#define FRAME_HEADER_SIZE
static int cpia_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
int av_frame_ref(AVFrame *dst, const AVFrame *src)
Set up a new reference to the data described by the source frame.
bitstream reader API header.
static const uint8_t header[24]
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
static av_cold int cpia_decode_init(AVCodecContext *avctx)
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
const char * name
Name of the codec implementation.
static av_cold int cpia_decode_end(AVCodecContext *avctx)
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.
#define AVERROR_PATCHWELCOME
Not yet implemented in FFmpeg, 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.
void av_frame_set_decode_error_flags(AVFrame *frame, int val)
#define FF_DECODE_ERROR_INVALID_BITSTREAM
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.
static int decode(AVCodecContext *avctx, void *data, int *got_sub, AVPacket *avpkt)
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
common internal api header.
#define MAGIC_1
Second header byte.
int key_frame
1 -> keyframe, 0-> not
This structure stores compressed data.
#define AV_CODEC_CAP_DR1
Codec uses get_buffer() for allocating buffers and supports custom allocators.