// hwaccel_context
bool VideoDecoderDXVAPrivate::setup(void **hwctx, AVPixelFormat *chroma, int w, int h)
{
if (w <= 0 || h <= 0)
return false;
if (!decoder || ((width != w || height != h) &&
(surface_width != FFALIGN(w, 16) || surface_height != FFALIGN(h, 16))//)
)) {
DxDestroyVideoConversion();
DxDestroyVideoDecoder();
*hwctx = NULL;
*chroma = QTAV_PIX_FMT_C(NONE);
/* FIXME transmit a video_format_t by VaSetup directly */
if (!DxCreateVideoDecoder(codec_ctx->codec_id, w, h))
return false;
hw.decoder = decoder;
hw.cfg = &cfg;
hw.surface_count = surface_count;
hw.surface = hw_surfaces;
memset(hw_surfaces, 0, sizeof(hw_surfaces));
for (unsigned i = 0; i < surface_count; i++)
hw.surface[i] = surfaces[i].d3d;
DxCreateVideoConversion();
}
*hwctx = &hw;
const d3d_format_t *outfmt = D3dFindFormat(output);
*chroma = outfmt ? outfmt->codec : QTAV_PIX_FMT_C(NONE);
return true;
}
static int Setup(vlc_va_t *external, void **hw, vlc_fourcc_t *chroma,
int width, int height)
{
vlc_va_dxva2_t *va = vlc_va_dxva2_Get(external);
if (va->width == width && va->height == height && va->decoder)
goto ok;
/* */
DxDestroyVideoConversion(va);
DxDestroyVideoDecoder(va);
*hw = NULL;
*chroma = 0;
if (width <= 0 || height <= 0)
return VLC_EGENERIC;
/* FIXME transmit a video_format_t by VaSetup directly */
video_format_t fmt;
memset(&fmt, 0, sizeof(fmt));
fmt.i_width = width;
fmt.i_height = height;
if (DxCreateVideoDecoder(va, va->codec_id, &fmt))
return VLC_EGENERIC;
/* */
va->hw.decoder = va->decoder;
va->hw.cfg = &va->cfg;
va->hw.surface_count = va->surface_count;
va->hw.surface = va->hw_surface;
for (unsigned i = 0; i < va->surface_count; i++)
va->hw.surface[i] = va->surface[i].d3d;
/* */
DxCreateVideoConversion(va);
/* */
ok:
*hw = &va->hw;
const d3d_format_t *output = D3dFindFormat(va->output);
*chroma = output->codec;
return VLC_SUCCESS;
}
static int Setup(vlc_va_t *va, void **hw, vlc_fourcc_t *chroma,
int width, int height)
{
vlc_va_sys_t *sys = va->sys;
if (sys->width == width && sys->height == height && sys->decoder)
goto ok;
/* */
DxDestroyVideoConversion(sys);
DxDestroyVideoDecoder(sys);
*hw = NULL;
*chroma = 0;
if (width <= 0 || height <= 0)
return VLC_EGENERIC;
/* FIXME transmit a video_format_t by VaSetup directly */
video_format_t fmt;
memset(&fmt, 0, sizeof(fmt));
fmt.i_width = width;
fmt.i_height = height;
if (DxCreateVideoDecoder(va, sys->codec_id, &fmt))
return VLC_EGENERIC;
/* */
sys->hw.decoder = sys->decoder;
sys->hw.cfg = &sys->cfg;
sys->hw.surface_count = sys->surface_count;
sys->hw.surface = sys->hw_surface;
/* */
DxCreateVideoConversion(sys);
/* */
ok:
*hw = &sys->hw;
const d3d_format_t *output = D3dFindFormat(sys->output);
*chroma = output->codec;
return VLC_SUCCESS;
}
