diff options
Diffstat (limited to 'src/gallium/state_trackers/vdpau/decode.c')
| -rw-r--r-- | src/gallium/state_trackers/vdpau/decode.c | 273 |
1 files changed, 273 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/vdpau/decode.c b/src/gallium/state_trackers/vdpau/decode.c new file mode 100644 index 00000000000..0696278ac3e --- /dev/null +++ b/src/gallium/state_trackers/vdpau/decode.c @@ -0,0 +1,273 @@ +/************************************************************************** + * + * 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 <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_context *pipe; + vlVdpDevice *dev; + vlVdpDecoder *vldecoder; + VdpStatus ret; + unsigned i; + + 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; + + pipe = dev->context->pipe; + + vldecoder = CALLOC(1,sizeof(vlVdpDecoder)); + if (!vldecoder) + return VDP_STATUS_RESOURCES; + + vldecoder->device = dev; + + // TODO: Define max_references. Used mainly for H264 + vldecoder->decoder = pipe->create_video_decoder + ( + pipe, p_profile, + PIPE_VIDEO_ENTRYPOINT_BITSTREAM, + PIPE_VIDEO_CHROMA_FORMAT_420, + width, height + ); + if (!vldecoder->decoder) { + ret = VDP_STATUS_ERROR; + goto error_decoder; + } + + vldecoder->cur_buffer = 0; + + for (i = 0; i < VL_NUM_DECODE_BUFFERS; ++i) { + vldecoder->buffer[i] = vldecoder->decoder->create_buffer(vldecoder->decoder); + if (!vldecoder->buffer[i]) { + 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: +error_buffer: + + for (i = 0; i < VL_NUM_DECODE_BUFFERS; ++i) + if (vldecoder->buffer[i]) + vldecoder->buffer[i]->destroy(vldecoder->buffer[i]); + + vldecoder->decoder->destroy(vldecoder->decoder); + +error_decoder: + FREE(vldecoder); + return ret; +} + +VdpStatus +vlVdpDecoderDestroy(VdpDecoder decoder) +{ + vlVdpDecoder *vldecoder; + unsigned i; + + VDPAU_MSG(VDPAU_TRACE, "[VDPAU] Destroying decoder\n"); + + vldecoder = (vlVdpDecoder *)vlGetDataHTAB(decoder); + if (!vldecoder) + return VDP_STATUS_INVALID_HANDLE; + + for (i = 0; i < VL_NUM_DECODE_BUFFERS; ++i) + if (vldecoder->buffer[i]) + vldecoder->buffer[i]->destroy(vldecoder->buffer[i]); + + vldecoder->decoder->destroy(vldecoder->decoder); + + FREE(vldecoder); + + return VDP_STATUS_OK; +} + +VdpStatus +vlVdpDecoderGetParameters(VdpDecoder decoder, + VdpDecoderProfile *profile, + uint32_t *width, + uint32_t *height) +{ + vlVdpDecoder *vldecoder; + + VDPAU_MSG(VDPAU_TRACE, "[VDPAU] decoder get parameters called\n"); + + vldecoder = (vlVdpDecoder *)vlGetDataHTAB(decoder); + if (!vldecoder) + return VDP_STATUS_INVALID_HANDLE; + + *profile = PipeToProfile(vldecoder->decoder->profile); + *width = vldecoder->decoder->width; + *height = vldecoder->decoder->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]; + uint8_t intra_quantizer_matrix[64]; + 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.base.profile = decoder->profile; + 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_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; + + buffer->begin_frame(buffer); + + memcpy(intra_quantizer_matrix, picture_info->intra_quantizer_matrix, sizeof(intra_quantizer_matrix)); + intra_quantizer_matrix[0] = 1 << (7 - picture_info->intra_dc_precision); + buffer->set_quant_matrix(buffer, intra_quantizer_matrix, picture_info->non_intra_quantizer_matrix); + + 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->end_frame(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: + ++vldecoder->cur_buffer; + vldecoder->cur_buffer %= VL_NUM_DECODE_BUFFERS; + return vlVdpDecoderRenderMpeg2(vldecoder->decoder, + vldecoder->buffer[vldecoder->cur_buffer], + vlsurf->video_buffer, + (VdpPictureInfoMPEG1Or2 *)picture_info, + bitstream_buffer_count,bitstream_buffers); + break; + + default: + return VDP_STATUS_INVALID_DECODER_PROFILE; + } +} |