58 for(
a = 0;
a < 256;
a++){
59 palette[
a] = bytestream2_get_be24u(&ctx->
g) * 4;
66 void *
data,
int *data_size,
73 int remaining = avctx->
width;
87 switch(block_type = bytestream2_get_byte(&vid->
g)){
92 yoffset = bytestream2_get_le16(&vid->
g);
93 if(yoffset >= avctx->
height)
99 while((code = bytestream2_get_byte(&vid->
g))){
100 int length = code & 0x7f;
103 while(length > remaining){
107 memset(dst, bytestream2_peek_byte(&vid->
g), remaining);
109 dst += remaining + wrap_to_next_line;
110 remaining = avctx->
width;
119 memset(dst, bytestream2_get_byte(&vid->
g), length);
140 .
name =
"bethsoftvid",
enum PixelFormat pix_fmt
Pixel format, see PIX_FMT_xxx.
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
#define FF_BUFFER_HINTS_VALID
int buffer_hints
codec suggestion on buffer type if != 0
void(* release_buffer)(struct AVCodecContext *c, AVFrame *pic)
Called to release buffers which were allocated with get_buffer.
static av_always_inline void bytestream2_init(GetByteContext *g, const uint8_t *buf, int buf_size)
int(* reget_buffer)(struct AVCodecContext *c, AVFrame *pic)
Called at the beginning of a frame to get cr buffer for it.
AVCodec ff_bethsoftvid_decoder
static int decode(MimicContext *ctx, int quality, int num_coeffs, int is_iframe)
static int init(AVCodecParserContext *s)
#define CODEC_CAP_DR1
Codec uses get_buffer() for allocating buffers and supports custom allocators.
int reference
is this picture used as reference The values for this are the same as the MpegEncContext.picture_structure variable, that is 1->top field, 2->bottom field, 3->frame/both fields.
#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)
void av_log(void *avcl, int level, const char *fmt,...)
const char * name
Name of the codec implementation.
struct BethsoftvidContext BethsoftvidContext
int width
picture width / height.
struct AVFrame AVFrame
Audio Video Frame.
static int bethsoftvid_decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPacket *avpkt)
static int set_palette(BethsoftvidContext *ctx)
#define FF_BUFFER_HINTS_REUSABLE
static av_cold int bethsoftvid_decode_end(AVCodecContext *avctx)
static av_cold int bethsoftvid_decode_init(AVCodecContext *avctx)
int linesize[AV_NUM_DATA_POINTERS]
Size, in bytes, of the data for each picture/channel plane.
main external API structure.
static void close(AVCodecParserContext *s)
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
#define FF_BUFFER_HINTS_PRESERVE
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.
common internal and external API header
8 bit with PIX_FMT_RGB32 palette