| /* |
| * Video Acceleration API (video decoding) |
| * HW decode acceleration for MPEG-2, MPEG-4, H.264 and VC-1 |
| * |
| * Copyright (C) 2008-2009 Splitted-Desktop Systems |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg 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. |
| * |
| * FFmpeg 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 FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include "libavutil/log.h" |
| #include "mpegvideo.h" |
| #include "vaapi_internal.h" |
| |
| /** |
| * @addtogroup VAAPI_Decoding |
| * |
| * @{ |
| */ |
| |
| static void destroy_buffers(VADisplay display, VABufferID *buffers, unsigned int n_buffers) |
| { |
| unsigned int i; |
| for (i = 0; i < n_buffers; i++) { |
| if (buffers[i] != VA_INVALID_ID) { |
| vaDestroyBuffer(display, buffers[i]); |
| buffers[i] = VA_INVALID_ID; |
| } |
| } |
| } |
| |
| int ff_vaapi_context_init(AVCodecContext *avctx) |
| { |
| FFVAContext * const vactx = ff_vaapi_get_context(avctx); |
| const struct vaapi_context * const user_vactx = avctx->hwaccel_context; |
| |
| if (!user_vactx) { |
| av_log(avctx, AV_LOG_ERROR, "Hardware acceleration context (hwaccel_context) does not exist.\n"); |
| return AVERROR(ENOSYS); |
| } |
| |
| vactx->display = user_vactx->display; |
| vactx->config_id = user_vactx->config_id; |
| vactx->context_id = user_vactx->context_id; |
| |
| vactx->pic_param_buf_id = VA_INVALID_ID; |
| vactx->iq_matrix_buf_id = VA_INVALID_ID; |
| vactx->bitplane_buf_id = VA_INVALID_ID; |
| |
| return 0; |
| } |
| |
| int ff_vaapi_context_fini(AVCodecContext *avctx) |
| { |
| return 0; |
| } |
| |
| int ff_vaapi_render_picture(FFVAContext *vactx, VASurfaceID surface) |
| { |
| VABufferID va_buffers[3]; |
| unsigned int n_va_buffers = 0; |
| |
| if (vactx->pic_param_buf_id == VA_INVALID_ID) |
| return 0; |
| |
| vaUnmapBuffer(vactx->display, vactx->pic_param_buf_id); |
| va_buffers[n_va_buffers++] = vactx->pic_param_buf_id; |
| |
| if (vactx->iq_matrix_buf_id != VA_INVALID_ID) { |
| vaUnmapBuffer(vactx->display, vactx->iq_matrix_buf_id); |
| va_buffers[n_va_buffers++] = vactx->iq_matrix_buf_id; |
| } |
| |
| if (vactx->bitplane_buf_id != VA_INVALID_ID) { |
| vaUnmapBuffer(vactx->display, vactx->bitplane_buf_id); |
| va_buffers[n_va_buffers++] = vactx->bitplane_buf_id; |
| } |
| |
| if (vaBeginPicture(vactx->display, vactx->context_id, |
| surface) != VA_STATUS_SUCCESS) |
| return -1; |
| |
| if (vaRenderPicture(vactx->display, vactx->context_id, |
| va_buffers, n_va_buffers) != VA_STATUS_SUCCESS) |
| return -1; |
| |
| if (vaRenderPicture(vactx->display, vactx->context_id, |
| vactx->slice_buf_ids, |
| vactx->n_slice_buf_ids) != VA_STATUS_SUCCESS) |
| return -1; |
| |
| if (vaEndPicture(vactx->display, vactx->context_id) != VA_STATUS_SUCCESS) |
| return -1; |
| |
| return 0; |
| } |
| |
| int ff_vaapi_commit_slices(FFVAContext *vactx) |
| { |
| VABufferID *slice_buf_ids; |
| VABufferID slice_param_buf_id, slice_data_buf_id; |
| |
| if (vactx->slice_count == 0) |
| return 0; |
| |
| slice_buf_ids = |
| av_fast_realloc(vactx->slice_buf_ids, |
| &vactx->slice_buf_ids_alloc, |
| (vactx->n_slice_buf_ids + 2) * sizeof(slice_buf_ids[0])); |
| if (!slice_buf_ids) |
| return -1; |
| vactx->slice_buf_ids = slice_buf_ids; |
| |
| slice_param_buf_id = VA_INVALID_ID; |
| if (vaCreateBuffer(vactx->display, vactx->context_id, |
| VASliceParameterBufferType, |
| vactx->slice_param_size, |
| vactx->slice_count, vactx->slice_params, |
| &slice_param_buf_id) != VA_STATUS_SUCCESS) |
| return -1; |
| vactx->slice_count = 0; |
| |
| slice_data_buf_id = VA_INVALID_ID; |
| if (vaCreateBuffer(vactx->display, vactx->context_id, |
| VASliceDataBufferType, |
| vactx->slice_data_size, |
| 1, (void *)vactx->slice_data, |
| &slice_data_buf_id) != VA_STATUS_SUCCESS) |
| return -1; |
| vactx->slice_data = NULL; |
| vactx->slice_data_size = 0; |
| |
| slice_buf_ids[vactx->n_slice_buf_ids++] = slice_param_buf_id; |
| slice_buf_ids[vactx->n_slice_buf_ids++] = slice_data_buf_id; |
| return 0; |
| } |
| |
| static void *alloc_buffer(FFVAContext *vactx, int type, unsigned int size, uint32_t *buf_id) |
| { |
| void *data = NULL; |
| |
| *buf_id = VA_INVALID_ID; |
| if (vaCreateBuffer(vactx->display, vactx->context_id, |
| type, size, 1, NULL, buf_id) == VA_STATUS_SUCCESS) |
| vaMapBuffer(vactx->display, *buf_id, &data); |
| |
| return data; |
| } |
| |
| void *ff_vaapi_alloc_pic_param(FFVAContext *vactx, unsigned int size) |
| { |
| return alloc_buffer(vactx, VAPictureParameterBufferType, size, &vactx->pic_param_buf_id); |
| } |
| |
| void *ff_vaapi_alloc_iq_matrix(FFVAContext *vactx, unsigned int size) |
| { |
| return alloc_buffer(vactx, VAIQMatrixBufferType, size, &vactx->iq_matrix_buf_id); |
| } |
| |
| uint8_t *ff_vaapi_alloc_bitplane(FFVAContext *vactx, uint32_t size) |
| { |
| return alloc_buffer(vactx, VABitPlaneBufferType, size, &vactx->bitplane_buf_id); |
| } |
| |
| VASliceParameterBufferBase *ff_vaapi_alloc_slice(FFVAContext *vactx, const uint8_t *buffer, uint32_t size) |
| { |
| uint8_t *slice_params; |
| VASliceParameterBufferBase *slice_param; |
| |
| if (!vactx->slice_data) |
| vactx->slice_data = buffer; |
| if (vactx->slice_data + vactx->slice_data_size != buffer) { |
| if (ff_vaapi_commit_slices(vactx) < 0) |
| return NULL; |
| vactx->slice_data = buffer; |
| } |
| |
| slice_params = |
| av_fast_realloc(vactx->slice_params, |
| &vactx->slice_params_alloc, |
| (vactx->slice_count + 1) * vactx->slice_param_size); |
| if (!slice_params) |
| return NULL; |
| vactx->slice_params = slice_params; |
| |
| slice_param = (VASliceParameterBufferBase *)(slice_params + vactx->slice_count * vactx->slice_param_size); |
| slice_param->slice_data_size = size; |
| slice_param->slice_data_offset = vactx->slice_data_size; |
| slice_param->slice_data_flag = VA_SLICE_DATA_FLAG_ALL; |
| |
| vactx->slice_count++; |
| vactx->slice_data_size += size; |
| return slice_param; |
| } |
| |
| void ff_vaapi_common_end_frame(AVCodecContext *avctx) |
| { |
| FFVAContext * const vactx = ff_vaapi_get_context(avctx); |
| |
| ff_dlog(avctx, "ff_vaapi_common_end_frame()\n"); |
| |
| destroy_buffers(vactx->display, &vactx->pic_param_buf_id, 1); |
| destroy_buffers(vactx->display, &vactx->iq_matrix_buf_id, 1); |
| destroy_buffers(vactx->display, &vactx->bitplane_buf_id, 1); |
| destroy_buffers(vactx->display, vactx->slice_buf_ids, vactx->n_slice_buf_ids); |
| av_freep(&vactx->slice_buf_ids); |
| av_freep(&vactx->slice_params); |
| vactx->n_slice_buf_ids = 0; |
| vactx->slice_buf_ids_alloc = 0; |
| vactx->slice_count = 0; |
| vactx->slice_params_alloc = 0; |
| } |
| |
| #if CONFIG_H263_VAAPI_HWACCEL || CONFIG_MPEG1_VAAPI_HWACCEL || \ |
| CONFIG_MPEG2_VAAPI_HWACCEL || CONFIG_MPEG4_VAAPI_HWACCEL || \ |
| CONFIG_VC1_VAAPI_HWACCEL || CONFIG_WMV3_VAAPI_HWACCEL |
| int ff_vaapi_mpeg_end_frame(AVCodecContext *avctx) |
| { |
| FFVAContext * const vactx = ff_vaapi_get_context(avctx); |
| MpegEncContext *s = avctx->priv_data; |
| int ret; |
| |
| ret = ff_vaapi_commit_slices(vactx); |
| if (ret < 0) |
| goto finish; |
| |
| ret = ff_vaapi_render_picture(vactx, |
| ff_vaapi_get_surface_id(s->current_picture_ptr->f)); |
| if (ret < 0) |
| goto finish; |
| |
| ff_mpeg_draw_horiz_band(s, 0, s->avctx->height); |
| |
| finish: |
| ff_vaapi_common_end_frame(avctx); |
| return ret; |
| } |
| #endif |
| |
| /* @} */ |
