forked from mosterta/libvdpau-sunxi
/
decoder.c
271 lines (229 loc) · 7.89 KB
/
decoder.c
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/*
* Copyright (c) 2013 Jens Kuske <jenskuske@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include <string.h>
#include "vdpau_private.h"
#include "ve.h"
#include <stdio.h>
VdpStatus vdp_decoder_create(VdpDevice device, VdpDecoderProfile profile, uint32_t width, uint32_t height, uint32_t max_references, VdpDecoder *decoder)
{
device_ctx_t *dev = handle_get(device);
if (!dev)
return VDP_STATUS_INVALID_HANDLE;
if (max_references > 16)
return VDP_STATUS_ERROR;
decoder_ctx_t *dec = handle_create(sizeof(*dec), decoder, htype_decoder);
if (!dec)
goto err_ctx;
VDPAU_DBG("vdpau decoder=%d created", *decoder);
memset(dec, 0, sizeof(*dec));
dec->device = dev;
dec->profile = profile;
dec->width = width;
dec->height = height;
dec->data = cedarv_malloc(VBV_SIZE);
if (! cedarv_isValid(dec->data))
goto err_data;
dec->data_pos = 0;
VdpStatus ret;
switch (profile)
{
case VDP_DECODER_PROFILE_MPEG1:
case VDP_DECODER_PROFILE_MPEG2_SIMPLE:
case VDP_DECODER_PROFILE_MPEG2_MAIN:
ret = new_decoder_mpeg12(dec);
break;
case VDP_DECODER_PROFILE_H264_BASELINE:
case VDP_DECODER_PROFILE_H264_MAIN:
case VDP_DECODER_PROFILE_H264_HIGH:
ret = new_decoder_h264(dec);
break;
case VDP_DECODER_PROFILE_MPEG4_PART2_SP:
case VDP_DECODER_PROFILE_MPEG4_PART2_ASP:
case VDP_DECODER_PROFILE_DIVX4_QMOBILE:
case VDP_DECODER_PROFILE_DIVX4_MOBILE:
case VDP_DECODER_PROFILE_DIVX4_HOME_THEATER:
case VDP_DECODER_PROFILE_DIVX4_HD_1080P:
case VDP_DECODER_PROFILE_DIVX5_QMOBILE:
case VDP_DECODER_PROFILE_DIVX5_MOBILE:
case VDP_DECODER_PROFILE_DIVX5_HOME_THEATER:
case VDP_DECODER_PROFILE_DIVX5_HD_1080P:
ret = new_decoder_mpeg4(dec);
break;
case VDP_DECODER_PROFILE_DIVX3_HD_1080P:
case VDP_DECODER_PROFILE_DIVX3_QMOBILE:
case VDP_DECODER_PROFILE_DIVX3_MOBILE:
case VDP_DECODER_PROFILE_DIVX3_HOME_THEATER:
ret = new_decoder_msmpeg4(dec);
break;
default:
ret = VDP_STATUS_INVALID_DECODER_PROFILE;
break;
}
if (ret != VDP_STATUS_OK)
goto err_decoder;
handle_release(device);
return VDP_STATUS_OK;
err_handle:
if (dec->private_free)
dec->private_free(dec);
err_decoder:
cedarv_free(dec->data);
err_data:
handle_destroy(*decoder);
err_ctx:
handle_release(device);
return VDP_STATUS_RESOURCES;
}
VdpStatus vdp_decoder_destroy(VdpDecoder decoder)
{
VDPAU_DBG("vdpau decoder=%d destroyed", decoder);
decoder_ctx_t *dec = handle_get(decoder);
if (!dec)
return VDP_STATUS_INVALID_HANDLE;
if (dec->private_free)
dec->private_free(dec);
cedarv_free(dec->data);
handle_release(decoder);
handle_destroy(decoder);
return VDP_STATUS_OK;
}
VdpStatus vdp_decoder_get_parameters(VdpDecoder decoder, VdpDecoderProfile *profile, uint32_t *width, uint32_t *height)
{
decoder_ctx_t *dec = handle_get(decoder);
if (!dec)
return VDP_STATUS_INVALID_HANDLE;
if (profile)
*profile = dec->profile;
if (width)
*width = dec->width;
if (height)
*height = dec->height;
handle_release(decoder);
return VDP_STATUS_OK;
}
VdpStatus vdp_decoder_render(VdpDecoder decoder, VdpVideoSurface target, VdpPictureInfo const *picture_info, uint32_t bitstream_buffer_count, VdpBitstreamBuffer const *bitstream_buffers)
{
VdpStatus status = VDP_STATUS_INVALID_HANDLE;
decoder_ctx_t *dec = handle_get(decoder);
if (!dec)
return VDP_STATUS_INVALID_HANDLE;
video_surface_ctx_t *vid = handle_get(target);
if (!vid)
{
handle_release(decoder);
return VDP_STATUS_INVALID_HANDLE;
}
vid->source_format = INTERNAL_YCBCR_FORMAT;
unsigned int i, pos = 0;
for (i = 0; i < bitstream_buffer_count; i++)
{
cedarv_memcpy(dec->data, pos, bitstream_buffers[i].bitstream, bitstream_buffers[i].bitstream_bytes);
pos += bitstream_buffers[i].bitstream_bytes;
}
//memory is mapped unchached, therefore no flush necessary. hopefully ;)
cedarv_flush_cache(dec->data, pos);
status = dec->decode(dec, picture_info, pos, vid);
handle_release(target);
handle_release(decoder);
return status;
}
VdpStatus vdp_decoder_query_capabilities(VdpDevice device, VdpDecoderProfile profile, VdpBool *is_supported, uint32_t *max_level, uint32_t *max_macroblocks, uint32_t *max_width, uint32_t *max_height)
{
if (!is_supported || !max_level || !max_macroblocks || !max_width || !max_height)
return VDP_STATUS_INVALID_POINTER;
device_ctx_t *dev = handle_get(device);
if (!dev)
return VDP_STATUS_INVALID_HANDLE;
// guessed in lack of documentation, bigger pictures should be possible
*max_level = 16;
*max_width = 3840;
*max_height = 2160;
*max_macroblocks = (*max_width * *max_height) / (16 * 16);
switch (profile)
{
case VDP_DECODER_PROFILE_MPEG1:
case VDP_DECODER_PROFILE_MPEG2_SIMPLE:
case VDP_DECODER_PROFILE_MPEG2_MAIN:
case VDP_DECODER_PROFILE_H264_BASELINE:
case VDP_DECODER_PROFILE_H264_MAIN:
case VDP_DECODER_PROFILE_H264_HIGH:
case VDP_DECODER_PROFILE_MPEG4_PART2_SP:
case VDP_DECODER_PROFILE_MPEG4_PART2_ASP:
case VDP_DECODER_PROFILE_DIVX4_QMOBILE:
case VDP_DECODER_PROFILE_DIVX4_MOBILE:
case VDP_DECODER_PROFILE_DIVX4_HOME_THEATER:
case VDP_DECODER_PROFILE_DIVX4_HD_1080P:
case VDP_DECODER_PROFILE_DIVX3_HD_1080P:
*is_supported = VDP_TRUE;
break;
default:
*is_supported = VDP_FALSE;
break;
}
handle_release(device);
return VDP_STATUS_OK;
}
VdpStatus vdp_decoder_set_video_control_data(VdpDecoder decoder, VdpDecoderControlDataId id, VdpDecoderControlData *data)
{
VdpStatus status = VDP_STATUS_OK;
decoder_ctx_t *dec = handle_get(decoder);
if (!dec)
return VDP_STATUS_INVALID_HANDLE;
if (dec->setVideoControlData)
{
status = dec->setVideoControlData(dec, id, data);
}
handle_release(decoder);
return status;
}
#if 1
VdpStatus vdp_decoder_render_stream(VdpDecoder decoder, VdpVideoSurface target, VdpPictureInfo const *picture_info, uint32_t bitstream_buffer_count, VdpBitstreamBuffer const *bitstream_buffers, uint32_t* bitstream_pos_returned)
{
decoder_ctx_t *dec = handle_get(decoder);
if (!dec)
return VDP_STATUS_INVALID_HANDLE;
video_surface_ctx_t *vid = handle_get(target);
if (!vid)
return VDP_STATUS_INVALID_HANDLE;
vid->source_format = INTERNAL_YCBCR_FORMAT;
unsigned int i, pos = dec->data_pos;
for (i = 0; i < bitstream_buffer_count; i++)
{
cedarv_memcpy(dec->data, pos, bitstream_buffers[i].bitstream, bitstream_buffers[i].bitstream_bytes);
pos += bitstream_buffers[i].bitstream_bytes;
}
//memory is mapped unchached, therefore no flush necessary. hopefully ;)
cedarv_flush_cache(dec->data, pos);
int error = dec->decode_stream(dec, picture_info, pos, vid, bitstream_pos_returned);
if(error)
{
dec->data_pos = (*bitstream_pos_returned + 7) >> 3;
if(dec->data_pos > pos)
{
dec->data_pos = pos;
}
//memmove(dec->data, (char*)dec->data + dec->data_pos, pos - dec->data_pos);
}
else
{
dec->data_pos = 0;
}
return error;
}
#endif