43 int i, src_stride =
FFALIGN(linelen, 4);
45 dst += (
height - 1) *
f->linesize[0];
47 memcpy(dst,
src, linelen);
49 dst -=
f->linesize[0];
56 int i, j, src_stride =
FFALIGN(linelen, 4);
58 dst += (
height - 1) *
f->linesize[0];
60 for (j = linelen; j; j--)
62 src += src_stride - linelen;
63 dst -=
f->linesize[0] + linelen;
71 int buf_size = avpkt->
size;
87 switch ((buf[0] >> 1) & 7) {
89 int outlen =
c->decomp_size, inlen = buf_size - 2;
90 if (
av_lzo1x_decode(
c->decomp_buf, &outlen, &buf[2], &inlen) || (outlen && outlen != bugdelta)) {
98 unsigned long dlen =
c->decomp_size;
99 if (uncompress(
c->decomp_buf, &dlen, &buf[2], buf_size - 2) != Z_OK || (dlen !=
c->decomp_size && dlen !=
c->decomp_size - bugdelta)) {
117 c->pic->key_frame = 1;
119 c->linelen,
c->height);
122 c->pic->key_frame = 0;
124 c->linelen,
c->height);
144 "CamStudio codec error: invalid depth %i bpp\n",
152 c->decomp_size =
c->height *
stride;
154 if (!
c->decomp_buf) {
Libavcodec external API header.
static av_cold int init(AVCodecContext *avctx)
common internal and external API header
static void copy_frame_default(AVFrame *f, const uint8_t *src, int linelen, int height)
static av_cold int decode_init(AVCodecContext *avctx)
static void add_frame_default(AVFrame *f, const uint8_t *src, int linelen, int height)
static av_cold int decode_end(AVCodecContext *avctx)
static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
int ff_reget_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
Identical in function to ff_get_buffer(), except it reuses the existing buffer if available.
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.
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
int av_frame_ref(AVFrame *dst, const AVFrame *src)
Set up a new reference to the data described by the source frame.
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
AVFrame * av_frame_alloc(void)
Allocate an AVFrame and set its fields to default values.
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
int av_lzo1x_decode(void *out, int *outlen, const void *in, int *inlen)
Decodes LZO 1x compressed data.
#define AV_LZO_OUTPUT_PADDING
@ AV_PICTURE_TYPE_I
Intra.
@ AV_PICTURE_TYPE_P
Predicted.
#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.
@ AV_PIX_FMT_BGR0
packed BGR 8:8:8, 32bpp, BGRXBGRX... X=unused/undefined
@ AV_PIX_FMT_RGB555LE
packed RGB 5:5:5, 16bpp, (msb)1X 5R 5G 5B(lsb), little-endian, X=unused/undefined
@ AV_PIX_FMT_BGR24
packed RGB 8:8:8, 24bpp, BGRBGR...
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.
This structure stores compressed data.
unsigned char * decomp_buf