#define SMKTREE_BITS 9
#define SMK_NODE 0x80000000
-/*
- * Decoder context
- */
+
typedef struct SmackVContext {
AVCodecContext *avctx;
- AVFrame pic;
+ AVFrame *pic;
int *mmap_tbl, *mclr_tbl, *full_tbl, *type_tbl;
int mmap_last[3], mclr_last[3], full_last[3], type_last[3];
if (avpkt->size <= 769)
return 0;
- if ((ret = ff_reget_buffer(avctx, &smk->pic)) < 0) {
+ if ((ret = ff_reget_buffer(avctx, smk->pic)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret;
}
/* make the palette available on the way out */
- pal = (uint32_t*)smk->pic.data[1];
+ pal = (uint32_t*)smk->pic->data[1];
bytestream2_init(&gb2, avpkt->data, avpkt->size);
flags = bytestream2_get_byteu(&gb2);
- smk->pic.palette_has_changed = flags & 1;
- smk->pic.key_frame = !!(flags & 2);
- if(smk->pic.key_frame)
- smk->pic.pict_type = AV_PICTURE_TYPE_I;
+ smk->pic->palette_has_changed = flags & 1;
+ smk->pic->key_frame = !!(flags & 2);
+ if(smk->pic->key_frame)
+ smk->pic->pict_type = AV_PICTURE_TYPE_I;
else
- smk->pic.pict_type = AV_PICTURE_TYPE_P;
+ smk->pic->pict_type = AV_PICTURE_TYPE_P;
for(i = 0; i < 256; i++)
*pal++ = bytestream2_get_be24u(&gb2);
bw = avctx->width >> 2;
bh = avctx->height >> 2;
blocks = bw * bh;
- out = smk->pic.data[0];
- stride = smk->pic.linesize[0];
+ out = smk->pic->data[0];
+ stride = smk->pic->linesize[0];
while(blk < blocks) {
int type, run, mode;
uint16_t pix;
int hi, lo;
clr = smk_get_code(&gb, smk->mclr_tbl, smk->mclr_last);
map = smk_get_code(&gb, smk->mmap_tbl, smk->mmap_last);
- out = smk->pic.data[0] + (blk / bw) * (stride * 4) + (blk % bw) * 4;
+ out = smk->pic->data[0] + (blk / bw) * (stride * 4) + (blk % bw) * 4;
hi = clr >> 8;
lo = clr & 0xFF;
for(i = 0; i < 4; i++) {
else if(get_bits1(&gb)) mode = 2;
}
while(run-- && blk < blocks){
- out = smk->pic.data[0] + (blk / bw) * (stride * 4) + (blk % bw) * 4;
+ out = smk->pic->data[0] + (blk / bw) * (stride * 4) + (blk % bw) * 4;
switch(mode){
case 0:
for(i = 0; i < 4; i++) {
mode = type >> 8;
while(run-- && blk < blocks){
uint32_t col;
- out = smk->pic.data[0] + (blk / bw) * (stride * 4) + (blk % bw) * 4;
+ out = smk->pic->data[0] + (blk / bw) * (stride * 4) + (blk % bw) * 4;
col = mode * 0x01010101;
for(i = 0; i < 4; i++) {
*((uint32_t*)out) = col;
}
- if ((ret = av_frame_ref(data, &smk->pic)) < 0)
+ if ((ret = av_frame_ref(data, smk->pic)) < 0)
return ret;
*got_frame = 1;
}
-
-/*
- *
- * Uninit smacker decoder
- *
- */
static av_cold int decode_end(AVCodecContext *avctx)
{
SmackVContext * const smk = avctx->priv_data;
av_freep(&smk->full_tbl);
av_freep(&smk->type_tbl);
- av_frame_unref(&smk->pic);
+ av_frame_free(&smk->pic);
return 0;
}
-/*
- *
- * Init smacker decoder
- *
- */
static av_cold int decode_init(AVCodecContext *avctx)
{
SmackVContext * const c = avctx->priv_data;
c->avctx = avctx;
avctx->pix_fmt = AV_PIX_FMT_PAL8;
- avcodec_get_frame_defaults(&c->pic);
+
+ c->pic = av_frame_alloc();
+ if (!c->pic)
+ return AVERROR(ENOMEM);
/* decode huffman trees from extradata */
if(avctx->extradata_size < 16){
AVCodec ff_smacker_decoder = {
.name = "smackvid",
+ .long_name = NULL_IF_CONFIG_SMALL("Smacker video"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_SMACKVIDEO,
.priv_data_size = sizeof(SmackVContext),
.init = decode_init,
.close = decode_end,
.decode = decode_frame,
- .capabilities = CODEC_CAP_DR1,
- .long_name = NULL_IF_CONFIG_SMALL("Smacker video"),
+ .capabilities = AV_CODEC_CAP_DR1,
};
AVCodec ff_smackaud_decoder = {
.name = "smackaud",
+ .long_name = NULL_IF_CONFIG_SMALL("Smacker audio"),
.type = AVMEDIA_TYPE_AUDIO,
.id = AV_CODEC_ID_SMACKAUDIO,
.init = smka_decode_init,
.decode = smka_decode_frame,
- .capabilities = CODEC_CAP_DR1,
- .long_name = NULL_IF_CONFIG_SMALL("Smacker audio"),
+ .capabilities = AV_CODEC_CAP_DR1,
};