/**
* Create a VdpVideoSurface.
*/
VdpStatus
vlVdpVideoSurfaceCreate(VdpDevice device, VdpChromaType chroma_type,
uint32_t width, uint32_t height,
VdpVideoSurface *surface)
{
struct pipe_context *pipe;
vlVdpSurface *p_surf;
VdpStatus ret;
if (!(width && height)) {
ret = VDP_STATUS_INVALID_SIZE;
goto inv_size;
}
p_surf = CALLOC(1, sizeof(vlVdpSurface));
if (!p_surf) {
ret = VDP_STATUS_RESOURCES;
goto no_res;
}
vlVdpDevice *dev = vlGetDataHTAB(device);
if (!dev) {
ret = VDP_STATUS_INVALID_HANDLE;
goto inv_device;
}
DeviceReference(&p_surf->device, dev);
pipe = dev->context;
pipe_mutex_lock(dev->mutex);
memset(&p_surf->templat, 0, sizeof(p_surf->templat));
p_surf->templat.buffer_format = pipe->screen->get_video_param
(
pipe->screen,
PIPE_VIDEO_PROFILE_UNKNOWN,
PIPE_VIDEO_ENTRYPOINT_BITSTREAM,
PIPE_VIDEO_CAP_PREFERED_FORMAT
);
p_surf->templat.chroma_format = ChromaToPipe(chroma_type);
p_surf->templat.width = width;
p_surf->templat.height = height;
p_surf->templat.interlaced = pipe->screen->get_video_param
(
pipe->screen,
PIPE_VIDEO_PROFILE_UNKNOWN,
PIPE_VIDEO_ENTRYPOINT_BITSTREAM,
PIPE_VIDEO_CAP_PREFERS_INTERLACED
);
if (p_surf->templat.buffer_format != PIPE_FORMAT_NONE)
p_surf->video_buffer = pipe->create_video_buffer(pipe, &p_surf->templat);
/* do not mandate early allocation of a video buffer */
vlVdpVideoSurfaceClear(p_surf);
pipe_mutex_unlock(dev->mutex);
*surface = vlAddDataHTAB(p_surf);
if (*surface == 0) {
ret = VDP_STATUS_ERROR;
goto no_handle;
}
return VDP_STATUS_OK;
no_handle:
p_surf->video_buffer->destroy(p_surf->video_buffer);
inv_device:
DeviceReference(&p_surf->device, NULL);
FREE(p_surf);
no_res:
inv_size:
return ret;
}
/**
* Decode a compressed field/frame and render the result into a VdpVideoSurface.
*/
VdpStatus
vlVdpDecoderRender(VdpDecoder decoder,
VdpVideoSurface target,
VdpPictureInfo const *picture_info,
uint32_t bitstream_buffer_count,
VdpBitstreamBuffer const *bitstream_buffers)
{
const void * buffers[bitstream_buffer_count + 1];
unsigned sizes[bitstream_buffer_count + 1];
vlVdpDecoder *vldecoder;
vlVdpSurface *vlsurf;
VdpStatus ret;
struct pipe_screen *screen;
struct pipe_video_codec *dec;
bool buffer_support[2];
unsigned i;
struct pipe_h264_sps sps = {};
struct pipe_h264_pps pps = { &sps };
union {
struct pipe_picture_desc base;
struct pipe_mpeg12_picture_desc mpeg12;
struct pipe_mpeg4_picture_desc mpeg4;
struct pipe_vc1_picture_desc vc1;
struct pipe_h264_picture_desc h264;
} desc;
if (!(picture_info && bitstream_buffers))
return VDP_STATUS_INVALID_POINTER;
vldecoder = (vlVdpDecoder *)vlGetDataHTAB(decoder);
if (!vldecoder)
return VDP_STATUS_INVALID_HANDLE;
dec = vldecoder->decoder;
screen = dec->context->screen;
vlsurf = (vlVdpSurface *)vlGetDataHTAB(target);
if (!vlsurf)
return VDP_STATUS_INVALID_HANDLE;
if (vlsurf->device != vldecoder->device)
return VDP_STATUS_HANDLE_DEVICE_MISMATCH;
if (vlsurf->video_buffer != NULL && vlsurf->video_buffer->chroma_format != dec->chroma_format)
// TODO: Recreate decoder with correct chroma
return VDP_STATUS_INVALID_CHROMA_TYPE;
buffer_support[0] = screen->get_video_param(screen, dec->profile, PIPE_VIDEO_ENTRYPOINT_BITSTREAM,
PIPE_VIDEO_CAP_SUPPORTS_PROGRESSIVE);
buffer_support[1] = screen->get_video_param(screen, dec->profile, PIPE_VIDEO_ENTRYPOINT_BITSTREAM,
PIPE_VIDEO_CAP_SUPPORTS_INTERLACED);
if (vlsurf->video_buffer == NULL ||
!screen->is_video_format_supported(screen, vlsurf->video_buffer->buffer_format,
dec->profile, PIPE_VIDEO_ENTRYPOINT_BITSTREAM) ||
!buffer_support[vlsurf->video_buffer->interlaced]) {
pipe_mutex_lock(vlsurf->device->mutex);
/* destroy the old one */
if (vlsurf->video_buffer)
vlsurf->video_buffer->destroy(vlsurf->video_buffer);
/* set the buffer format to the prefered one */
vlsurf->templat.buffer_format = screen->get_video_param(screen, dec->profile, PIPE_VIDEO_ENTRYPOINT_BITSTREAM,
PIPE_VIDEO_CAP_PREFERED_FORMAT);
/* also set interlacing to decoders preferences */
vlsurf->templat.interlaced = screen->get_video_param(screen, dec->profile, PIPE_VIDEO_ENTRYPOINT_BITSTREAM,
PIPE_VIDEO_CAP_PREFERS_INTERLACED);
/* and recreate the video buffer */
vlsurf->video_buffer = dec->context->create_video_buffer(dec->context, &vlsurf->templat);
/* still no luck? get me out of here... */
if (!vlsurf->video_buffer) {
pipe_mutex_unlock(vlsurf->device->mutex);
return VDP_STATUS_NO_IMPLEMENTATION;
}
vlVdpVideoSurfaceClear(vlsurf);
pipe_mutex_unlock(vlsurf->device->mutex);
}
for (i = 0; i < bitstream_buffer_count; ++i) {
buffers[i] = bitstream_buffers[i].bitstream;
sizes[i] = bitstream_buffers[i].bitstream_bytes;
}
memset(&desc, 0, sizeof(desc));
desc.base.profile = dec->profile;
switch (u_reduce_video_profile(dec->profile)) {
case PIPE_VIDEO_FORMAT_MPEG12:
ret = vlVdpDecoderRenderMpeg12(&desc.mpeg12, (VdpPictureInfoMPEG1Or2 *)picture_info);
break;
case PIPE_VIDEO_FORMAT_MPEG4:
ret = vlVdpDecoderRenderMpeg4(&desc.mpeg4, (VdpPictureInfoMPEG4Part2 *)picture_info);
break;
case PIPE_VIDEO_FORMAT_VC1:
if (dec->profile == PIPE_VIDEO_PROFILE_VC1_ADVANCED)
vlVdpDecoderFixVC1Startcode(&bitstream_buffer_count, buffers, sizes);
ret = vlVdpDecoderRenderVC1(&desc.vc1, (VdpPictureInfoVC1 *)picture_info);
break;
case PIPE_VIDEO_FORMAT_MPEG4_AVC:
desc.h264.pps = &pps;
ret = vlVdpDecoderRenderH264(&desc.h264, (VdpPictureInfoH264 *)picture_info);
break;
default:
return VDP_STATUS_INVALID_DECODER_PROFILE;
}
if (ret != VDP_STATUS_OK)
return ret;
pipe_mutex_lock(vldecoder->mutex);
dec->begin_frame(dec, vlsurf->video_buffer, &desc.base);
dec->decode_bitstream(dec, vlsurf->video_buffer, &desc.base, bitstream_buffer_count, buffers, sizes);
dec->end_frame(dec, vlsurf->video_buffer, &desc.base);
pipe_mutex_unlock(vldecoder->mutex);
return ret;
}
/**
* Copy image data from application memory in a specific YCbCr format to
* a VdpVideoSurface.
*/
VdpStatus
vlVdpVideoSurfacePutBitsYCbCr(VdpVideoSurface surface,
VdpYCbCrFormat source_ycbcr_format,
void const *const *source_data,
uint32_t const *source_pitches)
{
enum pipe_format pformat = FormatYCBCRToPipe(source_ycbcr_format);
struct pipe_context *pipe;
struct pipe_sampler_view **sampler_views;
unsigned i, j;
vlVdpSurface *p_surf = vlGetDataHTAB(surface);
if (!p_surf)
return VDP_STATUS_INVALID_HANDLE;
pipe = p_surf->device->context;
if (!pipe)
return VDP_STATUS_INVALID_HANDLE;
if (!source_data || !source_pitches)
return VDP_STATUS_INVALID_POINTER;
pipe_mutex_lock(p_surf->device->mutex);
if (p_surf->video_buffer == NULL || pformat != p_surf->video_buffer->buffer_format) {
/* destroy the old one */
if (p_surf->video_buffer)
p_surf->video_buffer->destroy(p_surf->video_buffer);
/* adjust the template parameters */
p_surf->templat.buffer_format = pformat;
/* and try to create the video buffer with the new format */
p_surf->video_buffer = pipe->create_video_buffer(pipe, &p_surf->templat);
/* stil no luck? ok forget it we don't support it */
if (!p_surf->video_buffer) {
pipe_mutex_unlock(p_surf->device->mutex);
return VDP_STATUS_NO_IMPLEMENTATION;
}
vlVdpVideoSurfaceClear(p_surf);
}
sampler_views = p_surf->video_buffer->get_sampler_view_planes(p_surf->video_buffer);
if (!sampler_views) {
pipe_mutex_unlock(p_surf->device->mutex);
return VDP_STATUS_RESOURCES;
}
for (i = 0; i < 3; ++i) {
unsigned width, height;
struct pipe_sampler_view *sv = sampler_views[i];
if (!sv || !source_pitches[i]) continue;
vlVdpVideoSurfaceSize(p_surf, i, &width, &height);
for (j = 0; j < sv->texture->array_size; ++j) {
struct pipe_box dst_box = {
0, 0, j,
width, height, 1
};
pipe->transfer_inline_write(pipe, sv->texture, 0,
PIPE_TRANSFER_WRITE, &dst_box,
source_data[i] + source_pitches[i] * j,
source_pitches[i] * sv->texture->array_size,
0);
}
}
pipe_mutex_unlock(p_surf->device->mutex);
return VDP_STATUS_OK;
}