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/**************************************************************************
*
* Copyright 2010 Thomas Balling Sørensen.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#include <pipe/p_video_context.h>
#include <util/u_memory.h>
#include <util/u_math.h>
#include <util/u_debug.h>
#include "vdpau_private.h"
VdpStatus
vlVdpDecoderCreate(VdpDevice device,
VdpDecoderProfile profile,
uint32_t width, uint32_t height,
uint32_t max_references,
VdpDecoder *decoder)
{
enum pipe_video_profile p_profile;
struct pipe_video_context *vpipe;
vlVdpDevice *dev;
vlVdpDecoder *vldecoder;
VdpStatus ret;
VDPAU_MSG(VDPAU_TRACE, "[VDPAU] Creating decoder\n");
if (!decoder)
return VDP_STATUS_INVALID_POINTER;
if (!(width && height))
return VDP_STATUS_INVALID_VALUE;
p_profile = ProfileToPipe(profile);
if (p_profile == PIPE_VIDEO_PROFILE_UNKNOWN)
return VDP_STATUS_INVALID_DECODER_PROFILE;
dev = vlGetDataHTAB(device);
if (!dev)
return VDP_STATUS_INVALID_HANDLE;
vpipe = dev->context->vpipe;
vldecoder = CALLOC(1,sizeof(vlVdpDecoder));
if (!vldecoder)
return VDP_STATUS_RESOURCES;
vldecoder->device = dev;
// TODO: Define max_references. Used mainly for H264
vldecoder->decoder = vpipe->create_decoder
(
vpipe, p_profile,
PIPE_VIDEO_ENTRYPOINT_BITSTREAM,
PIPE_VIDEO_CHROMA_FORMAT_420,
width, height
);
if (!vldecoder->decoder) {
ret = VDP_STATUS_ERROR;
goto error_decoder;
}
vldecoder->buffer = vldecoder->decoder->create_buffer(vldecoder->decoder);
if (!vldecoder->buffer) {
ret = VDP_STATUS_ERROR;
goto error_buffer;
}
*decoder = vlAddDataHTAB(vldecoder);
if (*decoder == 0) {
ret = VDP_STATUS_ERROR;
goto error_handle;
}
VDPAU_MSG(VDPAU_TRACE, "[VDPAU] Decoder created succesfully\n");
return VDP_STATUS_OK;
error_handle:
vldecoder->buffer->destroy(vldecoder->buffer);
error_buffer:
vldecoder->decoder->destroy(vldecoder->decoder);
error_decoder:
FREE(vldecoder);
return ret;
}
VdpStatus
vlVdpDecoderDestroy(VdpDecoder decoder)
{
vlVdpDecoder *vldecoder;
VDPAU_MSG(VDPAU_TRACE, "[VDPAU] Destroying decoder\n");
vldecoder = (vlVdpDecoder *)vlGetDataHTAB(decoder);
if (!vldecoder)
return VDP_STATUS_INVALID_HANDLE;
vldecoder->buffer->destroy(vldecoder->buffer);
vldecoder->decoder->destroy(vldecoder->decoder);
FREE(vldecoder);
return VDP_STATUS_OK;
}
VdpStatus
vlVdpDecoderGetParameters(VdpDecoder decoder,
VdpDecoderProfile *profile,
uint32_t *width,
uint32_t *height)
{
return VDP_STATUS_OK;
}
static VdpStatus
vlVdpDecoderRenderMpeg2(struct pipe_video_decoder *decoder,
struct pipe_video_decode_buffer *buffer,
struct pipe_video_buffer *target,
VdpPictureInfoMPEG1Or2 *picture_info,
uint32_t bitstream_buffer_count,
VdpBitstreamBuffer const *bitstream_buffers)
{
struct pipe_mpeg12_picture_desc picture;
struct pipe_video_buffer *ref_frames[2];
unsigned num_ycbcr_blocks[3] = { 0, 0, 0 };
unsigned i;
VDPAU_MSG(VDPAU_TRACE, "[VDPAU] Decoding MPEG2\n");
/* if surfaces equals VDP_STATUS_INVALID_HANDLE, they are not used */
if (picture_info->forward_reference == VDP_INVALID_HANDLE)
ref_frames[0] = NULL;
else {
ref_frames[0] = ((vlVdpSurface *)vlGetDataHTAB(picture_info->forward_reference))->video_buffer;
if (!ref_frames[0])
return VDP_STATUS_INVALID_HANDLE;
}
if (picture_info->backward_reference == VDP_INVALID_HANDLE)
ref_frames[1] = NULL;
else {
ref_frames[1] = ((vlVdpSurface *)vlGetDataHTAB(picture_info->backward_reference))->video_buffer;
if (!ref_frames[1])
return VDP_STATUS_INVALID_HANDLE;
}
memset(&picture, 0, sizeof(picture));
picture.picture_coding_type = picture_info->picture_coding_type;
picture.picture_structure = picture_info->picture_structure;
picture.frame_pred_frame_dct = picture_info->frame_pred_frame_dct;
picture.q_scale_type = picture_info->q_scale_type;
picture.alternate_scan = picture_info->alternate_scan;
picture.intra_dc_precision = picture_info->intra_dc_precision;
picture.intra_vlc_format = picture_info->intra_vlc_format;
picture.concealment_motion_vectors = picture_info->concealment_motion_vectors;
picture.f_code[0][0] = picture_info->f_code[0][0] - 1;
picture.f_code[0][1] = picture_info->f_code[0][1] - 1;
picture.f_code[1][0] = picture_info->f_code[1][0] - 1;
picture.f_code[1][1] = picture_info->f_code[1][1] - 1;
picture.intra_quantizer_matrix = picture_info->intra_quantizer_matrix;
picture.non_intra_quantizer_matrix = picture_info->non_intra_quantizer_matrix;
buffer->map(buffer);
for (i = 0; i < bitstream_buffer_count; ++i)
buffer->decode_bitstream(buffer, bitstream_buffers[i].bitstream_bytes,
bitstream_buffers[i].bitstream, &picture, num_ycbcr_blocks);
buffer->unmap(buffer);
decoder->flush_buffer(buffer, num_ycbcr_blocks, ref_frames, target);
return VDP_STATUS_OK;
}
VdpStatus
vlVdpDecoderRender(VdpDecoder decoder,
VdpVideoSurface target,
VdpPictureInfo const *picture_info,
uint32_t bitstream_buffer_count,
VdpBitstreamBuffer const *bitstream_buffers)
{
vlVdpDecoder *vldecoder;
vlVdpSurface *vlsurf;
VDPAU_MSG(VDPAU_TRACE, "[VDPAU] Decoding\n");
if (!(picture_info && bitstream_buffers))
return VDP_STATUS_INVALID_POINTER;
vldecoder = (vlVdpDecoder *)vlGetDataHTAB(decoder);
if (!vldecoder)
return VDP_STATUS_INVALID_HANDLE;
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->chroma_format != vldecoder->decoder->chroma_format)
// TODO: Recreate decoder with correct chroma
return VDP_STATUS_INVALID_CHROMA_TYPE;
// TODO: Right now only mpeg2 is supported.
switch (vldecoder->decoder->profile) {
case PIPE_VIDEO_PROFILE_MPEG2_SIMPLE:
case PIPE_VIDEO_PROFILE_MPEG2_MAIN:
return vlVdpDecoderRenderMpeg2(vldecoder->decoder, vldecoder->buffer, vlsurf->video_buffer,
(VdpPictureInfoMPEG1Or2 *)picture_info,
bitstream_buffer_count,bitstream_buffers);
break;
default:
return VDP_STATUS_INVALID_DECODER_PROFILE;
}
}
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