static av_cold int dvvideo_encode_init(AVCodecContext *avctx)
{
DVVideoContext *s = avctx->priv_data;
FDCTDSPContext fdsp;
MECmpContext mecc;
PixblockDSPContext pdsp;
int ret;
s->sys = avpriv_dv_codec_profile(avctx);
if (!s->sys) {
av_log(avctx, AV_LOG_ERROR, "Found no DV profile for %ix%i %s video. "
"Valid DV profiles are:\n",
avctx->width, avctx->height, av_get_pix_fmt_name(avctx->pix_fmt));
ff_dv_print_profiles(avctx, AV_LOG_ERROR);
return AVERROR(EINVAL);
}
if (avctx->height > 576) {
av_log(avctx, AV_LOG_ERROR, "DVCPRO HD encoding is not supported.\n");
return AVERROR_PATCHWELCOME;
}
ret = ff_dv_init_dynamic_tables(s, s->sys);
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "Error initializing work tables.\n");
return ret;
}
avctx->coded_frame = av_frame_alloc();
if (!avctx->coded_frame)
return AVERROR(ENOMEM);
dv_vlc_map_tableinit();
memset(&fdsp,0, sizeof(fdsp));
memset(&mecc,0, sizeof(mecc));
memset(&pdsp,0, sizeof(pdsp));
ff_fdctdsp_init(&fdsp, avctx);
ff_me_cmp_init(&mecc, avctx);
ff_pixblockdsp_init(&pdsp, avctx);
ff_set_cmp(&mecc, mecc.ildct_cmp, avctx->ildct_cmp);
s->get_pixels = pdsp.get_pixels;
s->ildct_cmp = mecc.ildct_cmp[5];
s->fdct[0] = fdsp.fdct;
s->fdct[1] = fdsp.fdct248;
return ff_dvvideo_init(avctx);
}
int avcodec_dct_init(AVDCT *dsp)
{
AVCodecContext *avctx = avcodec_alloc_context3(NULL);
if (!avctx)
return AVERROR(ENOMEM);
avctx->idct_algo = dsp->idct_algo;
avctx->dct_algo = dsp->dct_algo;
avctx->bits_per_raw_sample = dsp->bits_per_sample;
#define COPY(src, name) memcpy(&dsp->name, &src.name, sizeof(dsp->name))
#if CONFIG_IDCTDSP
{
IDCTDSPContext idsp;
ff_idctdsp_init(&idsp, avctx);
COPY(idsp, idct);
COPY(idsp, idct_permutation);
}
#endif
#if CONFIG_FDCTDSP
{
FDCTDSPContext fdsp;
ff_fdctdsp_init(&fdsp, avctx);
COPY(fdsp, fdct);
}
#endif
#if CONFIG_PIXBLOCKDSP
{
PixblockDSPContext pdsp;
ff_pixblockdsp_init(&pdsp, avctx);
COPY(pdsp, get_pixels);
}
#endif
avcodec_close(avctx);
av_free(avctx);
return 0;
}