static AVPixelFormat getVTBFormat(AVCodecContext *ctx, const AVPixelFormat *fmt)
{
Q_UNUSED(fmt)
av_videotoolbox_default_free(ctx);
const int ret = av_videotoolbox_default_init(ctx);
if (ret < 0)
return AV_PIX_FMT_NONE;
return AV_PIX_FMT_VIDEOTOOLBOX;
};
static int init_decoder(struct lavc_ctx *ctx, int fmt, int w, int h)
{
av_videotoolbox_default_free(ctx->avctx);
AVVideotoolboxContext *vtctx = av_videotoolbox_alloc_context();
vtctx->cv_pix_fmt_type = kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange;
int err = av_videotoolbox_default_init2(ctx->avctx, vtctx);
if (err < 0) {
print_videotoolbox_error(ctx->log, MSGL_ERR, "failed to init videotoolbox decoder", err);
return -1;
}
return 0;
}
static void videotoolbox_uninit(AVCodecContext *s)
{
InputStream *ist = s->opaque;
VTContext *vt = ist->hwaccel_ctx;
ist->hwaccel_uninit = NULL;
ist->hwaccel_retrieve_data = NULL;
av_frame_free(&vt->tmp_frame);
if (ist->hwaccel_id == HWACCEL_VIDEOTOOLBOX) {
#if CONFIG_VIDEOTOOLBOX
av_videotoolbox_default_free(s);
#endif
} else {
#if CONFIG_VDA
av_vda_default_free(s);
#endif
}
av_freep(&ist->hwaccel_ctx);
}
static void uninit(struct lavc_ctx *ctx)
{
if (ctx->avctx)
av_videotoolbox_default_free(ctx->avctx);
}