44 unsigned char_cols = avctx->
width >> 3;
45 unsigned char_rows = avctx->
height >> 3;
46 unsigned x, y, fg, bg,
c;
52 if (avpkt->
size < 2*char_rows*char_cols) {
54 "Input buffer too small, truncated sample?\n");
67 for (y = 0; y < char_rows; y++) {
68 for (x = 0; x < char_cols; x++) {
Libavcodec external API header.
void ff_draw_pc_font(uint8_t *dst, int linesize, const uint8_t *font, int font_height, int ch, int fg, int bg)
Draw CGA/EGA/VGA font to 8-bit pixel buffer.
const uint32_t ff_cga_palette[16]
int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
Get a buffer for a frame.
#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.
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
@ AV_PICTURE_TYPE_I
Intra.
#define FF_CODEC_CAP_INIT_THREADSAFE
The codec does not modify any global variables in the init function, allowing to call the init functi...
static av_cold int tmv_decode_init(AVCodecContext *avctx)
static int tmv_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
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_PAL8
8 bits with AV_PIX_FMT_RGB32 palette
main external API structure.
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
int width
picture width / height.
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.
const uint8_t avpriv_cga_font[2048]
CGA/EGA/VGA ROM font data.