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548 lines
18 KiB
548 lines
18 KiB
/* |
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* This file is part of Libav. |
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* |
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* Libav is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* Libav is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with Libav; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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|
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#include "libavutil/avassert.h" |
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#include "libavutil/common.h" |
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|
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#include "avcodec.h" |
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#include "internal.h" |
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#include "vaapi_decode.h" |
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|
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int ff_vaapi_decode_make_param_buffer(AVCodecContext *avctx, |
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VAAPIDecodePicture *pic, |
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int type, |
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const void *data, |
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size_t size) |
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{ |
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VAAPIDecodeContext *ctx = avctx->internal->hwaccel_priv_data; |
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VAStatus vas; |
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VABufferID buffer; |
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|
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av_assert0(pic->nb_param_buffers + 1 <= MAX_PARAM_BUFFERS); |
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|
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vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context, |
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type, size, 1, (void*)data, &buffer); |
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if (vas != VA_STATUS_SUCCESS) { |
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av_log(avctx, AV_LOG_ERROR, "Failed to create parameter " |
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"buffer (type %d): %d (%s).\n", |
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type, vas, vaErrorStr(vas)); |
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return AVERROR(EIO); |
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} |
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pic->param_buffers[pic->nb_param_buffers++] = buffer; |
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av_log(avctx, AV_LOG_DEBUG, "Param buffer (type %d, %zu bytes) " |
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"is %#x.\n", type, size, buffer); |
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return 0; |
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} |
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int ff_vaapi_decode_make_slice_buffer(AVCodecContext *avctx, |
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VAAPIDecodePicture *pic, |
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const void *params_data, |
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size_t params_size, |
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const void *slice_data, |
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size_t slice_size) |
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{ |
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VAAPIDecodeContext *ctx = avctx->internal->hwaccel_priv_data; |
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VAStatus vas; |
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int index; |
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av_assert0(pic->nb_slices <= pic->slices_allocated); |
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if (pic->nb_slices == pic->slices_allocated) { |
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if (pic->slices_allocated > 0) |
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pic->slices_allocated *= 2; |
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else |
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pic->slices_allocated = 64; |
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pic->slice_buffers = |
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av_realloc_array(pic->slice_buffers, |
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pic->slices_allocated, |
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2 * sizeof(*pic->slice_buffers)); |
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if (!pic->slice_buffers) |
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return AVERROR(ENOMEM); |
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} |
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av_assert0(pic->nb_slices + 1 <= pic->slices_allocated); |
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index = 2 * pic->nb_slices; |
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vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context, |
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VASliceParameterBufferType, |
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params_size, 1, (void*)params_data, |
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&pic->slice_buffers[index]); |
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if (vas != VA_STATUS_SUCCESS) { |
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av_log(avctx, AV_LOG_ERROR, "Failed to create slice " |
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"parameter buffer: %d (%s).\n", vas, vaErrorStr(vas)); |
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return AVERROR(EIO); |
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} |
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av_log(avctx, AV_LOG_DEBUG, "Slice %d param buffer (%zu bytes) " |
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"is %#x.\n", pic->nb_slices, params_size, |
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pic->slice_buffers[index]); |
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vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context, |
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VASliceDataBufferType, |
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slice_size, 1, (void*)slice_data, |
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&pic->slice_buffers[index + 1]); |
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if (vas != VA_STATUS_SUCCESS) { |
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av_log(avctx, AV_LOG_ERROR, "Failed to create slice " |
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"data buffer (size %zu): %d (%s).\n", |
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slice_size, vas, vaErrorStr(vas)); |
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vaDestroyBuffer(ctx->hwctx->display, |
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pic->slice_buffers[index]); |
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return AVERROR(EIO); |
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} |
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av_log(avctx, AV_LOG_DEBUG, "Slice %d data buffer (%zu bytes) " |
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"is %#x.\n", pic->nb_slices, slice_size, |
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pic->slice_buffers[index + 1]); |
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++pic->nb_slices; |
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return 0; |
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} |
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static void ff_vaapi_decode_destroy_buffers(AVCodecContext *avctx, |
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VAAPIDecodePicture *pic) |
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{ |
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VAAPIDecodeContext *ctx = avctx->internal->hwaccel_priv_data; |
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VAStatus vas; |
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int i; |
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for (i = 0; i < pic->nb_param_buffers; i++) { |
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vas = vaDestroyBuffer(ctx->hwctx->display, |
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pic->param_buffers[i]); |
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if (vas != VA_STATUS_SUCCESS) { |
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av_log(avctx, AV_LOG_ERROR, "Failed to destroy " |
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"parameter buffer %#x: %d (%s).\n", |
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pic->param_buffers[i], vas, vaErrorStr(vas)); |
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} |
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} |
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for (i = 0; i < 2 * pic->nb_slices; i++) { |
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vas = vaDestroyBuffer(ctx->hwctx->display, |
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pic->slice_buffers[i]); |
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if (vas != VA_STATUS_SUCCESS) { |
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av_log(avctx, AV_LOG_ERROR, "Failed to destroy slice " |
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"slice buffer %#x: %d (%s).\n", |
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pic->slice_buffers[i], vas, vaErrorStr(vas)); |
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} |
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} |
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} |
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int ff_vaapi_decode_issue(AVCodecContext *avctx, |
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VAAPIDecodePicture *pic) |
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{ |
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VAAPIDecodeContext *ctx = avctx->internal->hwaccel_priv_data; |
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VAStatus vas; |
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int err; |
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av_log(avctx, AV_LOG_DEBUG, "Decode to surface %#x.\n", |
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pic->output_surface); |
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|
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vas = vaBeginPicture(ctx->hwctx->display, ctx->va_context, |
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pic->output_surface); |
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if (vas != VA_STATUS_SUCCESS) { |
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av_log(avctx, AV_LOG_ERROR, "Failed to begin picture decode " |
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"issue: %d (%s).\n", vas, vaErrorStr(vas)); |
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err = AVERROR(EIO); |
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goto fail_with_picture; |
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} |
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vas = vaRenderPicture(ctx->hwctx->display, ctx->va_context, |
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pic->param_buffers, pic->nb_param_buffers); |
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if (vas != VA_STATUS_SUCCESS) { |
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av_log(avctx, AV_LOG_ERROR, "Failed to upload decode " |
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"parameters: %d (%s).\n", vas, vaErrorStr(vas)); |
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err = AVERROR(EIO); |
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goto fail_with_picture; |
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} |
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vas = vaRenderPicture(ctx->hwctx->display, ctx->va_context, |
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pic->slice_buffers, 2 * pic->nb_slices); |
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if (vas != VA_STATUS_SUCCESS) { |
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av_log(avctx, AV_LOG_ERROR, "Failed to upload slices: " |
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"%d (%s).\n", vas, vaErrorStr(vas)); |
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err = AVERROR(EIO); |
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goto fail_with_picture; |
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} |
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vas = vaEndPicture(ctx->hwctx->display, ctx->va_context); |
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if (vas != VA_STATUS_SUCCESS) { |
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av_log(avctx, AV_LOG_ERROR, "Failed to end picture decode " |
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"issue: %d (%s).\n", vas, vaErrorStr(vas)); |
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err = AVERROR(EIO); |
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if (ctx->hwctx->driver_quirks & |
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AV_VAAPI_DRIVER_QUIRK_RENDER_PARAM_BUFFERS) |
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goto fail; |
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else |
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goto fail_at_end; |
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} |
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if (ctx->hwctx->driver_quirks & |
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AV_VAAPI_DRIVER_QUIRK_RENDER_PARAM_BUFFERS) |
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ff_vaapi_decode_destroy_buffers(avctx, pic); |
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pic->nb_param_buffers = 0; |
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pic->nb_slices = 0; |
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pic->slices_allocated = 0; |
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av_freep(&pic->slice_buffers); |
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return 0; |
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fail_with_picture: |
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vas = vaEndPicture(ctx->hwctx->display, ctx->va_context); |
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if (vas != VA_STATUS_SUCCESS) { |
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av_log(avctx, AV_LOG_ERROR, "Failed to end picture decode " |
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"after error: %d (%s).\n", vas, vaErrorStr(vas)); |
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} |
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fail: |
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ff_vaapi_decode_destroy_buffers(avctx, pic); |
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fail_at_end: |
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return err; |
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} |
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int ff_vaapi_decode_cancel(AVCodecContext *avctx, |
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VAAPIDecodePicture *pic) |
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{ |
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ff_vaapi_decode_destroy_buffers(avctx, pic); |
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pic->nb_param_buffers = 0; |
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pic->nb_slices = 0; |
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pic->slices_allocated = 0; |
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av_freep(&pic->slice_buffers); |
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return 0; |
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} |
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static const struct { |
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enum AVCodecID codec_id; |
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int codec_profile; |
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VAProfile va_profile; |
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} vaapi_profile_map[] = { |
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#define MAP(c, p, v) { AV_CODEC_ID_ ## c, FF_PROFILE_ ## p, VAProfile ## v } |
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MAP(MPEG2VIDEO, MPEG2_SIMPLE, MPEG2Simple ), |
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MAP(MPEG2VIDEO, MPEG2_MAIN, MPEG2Main ), |
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MAP(H263, UNKNOWN, H263Baseline), |
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MAP(MPEG4, MPEG4_SIMPLE, MPEG4Simple ), |
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MAP(MPEG4, MPEG4_ADVANCED_SIMPLE, |
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MPEG4AdvancedSimple), |
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MAP(MPEG4, MPEG4_MAIN, MPEG4Main ), |
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MAP(H264, H264_CONSTRAINED_BASELINE, |
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H264ConstrainedBaseline), |
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MAP(H264, H264_BASELINE, H264Baseline), |
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MAP(H264, H264_MAIN, H264Main ), |
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MAP(H264, H264_HIGH, H264High ), |
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#if VA_CHECK_VERSION(0, 37, 0) |
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MAP(HEVC, HEVC_MAIN, HEVCMain ), |
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MAP(HEVC, HEVC_MAIN_10, HEVCMain10 ), |
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#endif |
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MAP(WMV3, VC1_SIMPLE, VC1Simple ), |
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MAP(WMV3, VC1_MAIN, VC1Main ), |
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MAP(WMV3, VC1_COMPLEX, VC1Advanced ), |
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MAP(WMV3, VC1_ADVANCED, VC1Advanced ), |
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MAP(VC1, VC1_SIMPLE, VC1Simple ), |
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MAP(VC1, VC1_MAIN, VC1Main ), |
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MAP(VC1, VC1_COMPLEX, VC1Advanced ), |
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MAP(VC1, VC1_ADVANCED, VC1Advanced ), |
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#if VA_CHECK_VERSION(0, 35, 0) |
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MAP(VP8, UNKNOWN, VP8Version0_3 ), |
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#endif |
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#if VA_CHECK_VERSION(0, 38, 0) |
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MAP(VP9, VP9_0, VP9Profile0 ), |
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#endif |
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#undef MAP |
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}; |
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static int vaapi_decode_make_config(AVCodecContext *avctx) |
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{ |
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VAAPIDecodeContext *ctx = avctx->internal->hwaccel_priv_data; |
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AVVAAPIHWConfig *hwconfig = NULL; |
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AVHWFramesConstraints *constraints = NULL; |
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VAStatus vas; |
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int err, i, j; |
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const AVCodecDescriptor *codec_desc; |
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VAProfile profile, *profile_list = NULL; |
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int profile_count, exact_match, alt_profile; |
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// Allowing a profile mismatch can be useful because streams may |
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// over-declare their required capabilities - in particular, many |
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// H.264 baseline profile streams (notably some of those in FATE) |
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// only use the feature set of constrained baseline. This flag |
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// would have to be be set by some external means in order to |
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// actually be useful. (AV_HWACCEL_FLAG_IGNORE_PROFILE?) |
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int allow_profile_mismatch = 0; |
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codec_desc = avcodec_descriptor_get(avctx->codec_id); |
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if (!codec_desc) { |
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err = AVERROR(EINVAL); |
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goto fail; |
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} |
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profile_count = vaMaxNumProfiles(ctx->hwctx->display); |
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profile_list = av_malloc_array(profile_count, |
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sizeof(VAProfile)); |
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if (!profile_list) { |
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err = AVERROR(ENOMEM); |
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goto fail; |
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} |
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vas = vaQueryConfigProfiles(ctx->hwctx->display, |
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profile_list, &profile_count); |
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if (vas != VA_STATUS_SUCCESS) { |
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av_log(avctx, AV_LOG_ERROR, "Failed to query profiles: " |
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"%d (%s).\n", vas, vaErrorStr(vas)); |
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err = AVERROR(ENOSYS); |
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goto fail; |
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} |
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profile = VAProfileNone; |
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exact_match = 0; |
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for (i = 0; i < FF_ARRAY_ELEMS(vaapi_profile_map); i++) { |
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int profile_match = 0; |
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if (avctx->codec_id != vaapi_profile_map[i].codec_id) |
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continue; |
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if (avctx->profile == vaapi_profile_map[i].codec_profile || |
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vaapi_profile_map[i].codec_profile == FF_PROFILE_UNKNOWN) |
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profile_match = 1; |
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profile = vaapi_profile_map[i].va_profile; |
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for (j = 0; j < profile_count; j++) { |
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if (profile == profile_list[j]) { |
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exact_match = profile_match; |
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break; |
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} |
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} |
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if (j < profile_count) { |
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if (exact_match) |
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break; |
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alt_profile = vaapi_profile_map[i].codec_profile; |
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} |
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} |
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av_freep(&profile_list); |
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|
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if (profile == VAProfileNone) { |
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av_log(avctx, AV_LOG_ERROR, "No support for codec %s " |
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"profile %d.\n", codec_desc->name, avctx->profile); |
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err = AVERROR(ENOSYS); |
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goto fail; |
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} |
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if (!exact_match) { |
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if (allow_profile_mismatch) { |
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av_log(avctx, AV_LOG_VERBOSE, "Codec %s profile %d not " |
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"supported for hardware decode.\n", |
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codec_desc->name, avctx->profile); |
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av_log(avctx, AV_LOG_WARNING, "Using possibly-" |
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"incompatible profile %d instead.\n", |
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alt_profile); |
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} else { |
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av_log(avctx, AV_LOG_VERBOSE, "Codec %s profile %d not " |
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"supported for hardware decode.\n", |
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codec_desc->name, avctx->profile); |
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err = AVERROR(EINVAL); |
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goto fail; |
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} |
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} |
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|
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ctx->va_profile = profile; |
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ctx->va_entrypoint = VAEntrypointVLD; |
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|
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vas = vaCreateConfig(ctx->hwctx->display, ctx->va_profile, |
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ctx->va_entrypoint, NULL, 0, |
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&ctx->va_config); |
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if (vas != VA_STATUS_SUCCESS) { |
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av_log(avctx, AV_LOG_ERROR, "Failed to create decode " |
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"configuration: %d (%s).\n", vas, vaErrorStr(vas)); |
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err = AVERROR(EIO); |
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goto fail; |
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} |
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|
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hwconfig = av_hwdevice_hwconfig_alloc(ctx->frames->device_ref); |
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if (!hwconfig) { |
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err = AVERROR(ENOMEM); |
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goto fail; |
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} |
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hwconfig->config_id = ctx->va_config; |
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|
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constraints = |
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av_hwdevice_get_hwframe_constraints(ctx->frames->device_ref, |
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hwconfig); |
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if (!constraints) { |
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// Ignore. |
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} else { |
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if (avctx->coded_width < constraints->min_width || |
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avctx->coded_height < constraints->min_height || |
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avctx->coded_width > constraints->max_width || |
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avctx->coded_height > constraints->max_height) { |
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av_log(avctx, AV_LOG_ERROR, "Hardware does not support image " |
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"size %dx%d (constraints: width %d-%d height %d-%d).\n", |
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avctx->coded_width, avctx->coded_height, |
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constraints->min_width, constraints->max_width, |
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constraints->min_height, constraints->max_height); |
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err = AVERROR(EINVAL); |
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goto fail; |
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} |
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} |
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|
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av_hwframe_constraints_free(&constraints); |
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av_freep(&hwconfig); |
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return 0; |
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fail: |
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av_hwframe_constraints_free(&constraints); |
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av_freep(&hwconfig); |
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if (ctx->va_config != VA_INVALID_ID) { |
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vaDestroyConfig(ctx->hwctx->display, ctx->va_config); |
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ctx->va_config = VA_INVALID_ID; |
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} |
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av_freep(&profile_list); |
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return err; |
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} |
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|
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int ff_vaapi_decode_init(AVCodecContext *avctx) |
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{ |
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VAAPIDecodeContext *ctx = avctx->internal->hwaccel_priv_data; |
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VAStatus vas; |
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int err; |
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|
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ctx->va_config = VA_INVALID_ID; |
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ctx->va_context = VA_INVALID_ID; |
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|
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#if FF_API_VAAPI_CONTEXT |
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if (avctx->hwaccel_context) { |
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av_log(avctx, AV_LOG_WARNING, "Using deprecated struct " |
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"vaapi_context in decode.\n"); |
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|
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ctx->have_old_context = 1; |
|
ctx->old_context = avctx->hwaccel_context; |
|
|
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// Really we only want the VAAPI device context, but this |
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// allocates a whole generic device context because we don't |
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// have any other way to determine how big it should be. |
|
ctx->device_ref = |
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av_hwdevice_ctx_alloc(AV_HWDEVICE_TYPE_VAAPI); |
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if (!ctx->device_ref) { |
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err = AVERROR(ENOMEM); |
|
goto fail; |
|
} |
|
ctx->device = (AVHWDeviceContext*)ctx->device_ref->data; |
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ctx->hwctx = ctx->device->hwctx; |
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|
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ctx->hwctx->display = ctx->old_context->display; |
|
|
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// The old VAAPI decode setup assumed this quirk was always |
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// present, so set it here to avoid the behaviour changing. |
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ctx->hwctx->driver_quirks = |
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AV_VAAPI_DRIVER_QUIRK_RENDER_PARAM_BUFFERS; |
|
|
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} else |
|
#endif |
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if (avctx->hw_frames_ctx) { |
|
// This structure has a shorter lifetime than the enclosing |
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// AVCodecContext, so we inherit the references from there |
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// and do not need to make separate ones. |
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|
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ctx->frames = (AVHWFramesContext*)avctx->hw_frames_ctx->data; |
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ctx->hwfc = ctx->frames->hwctx; |
|
|
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ctx->device = ctx->frames->device_ctx; |
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ctx->hwctx = ctx->device->hwctx; |
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|
|
} else { |
|
av_log(avctx, AV_LOG_ERROR, "A hardware frames context is " |
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"required for VAAPI decoding.\n"); |
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err = AVERROR(EINVAL); |
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goto fail; |
|
} |
|
|
|
#if FF_API_VAAPI_CONTEXT |
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if (ctx->have_old_context) { |
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ctx->va_config = ctx->old_context->config_id; |
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ctx->va_context = ctx->old_context->context_id; |
|
|
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av_log(avctx, AV_LOG_DEBUG, "Using user-supplied decoder " |
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"context: %#x/%#x.\n", ctx->va_config, ctx->va_context); |
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} else { |
|
#endif |
|
|
|
err = vaapi_decode_make_config(avctx); |
|
if (err) |
|
goto fail; |
|
|
|
vas = vaCreateContext(ctx->hwctx->display, ctx->va_config, |
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avctx->coded_width, avctx->coded_height, |
|
VA_PROGRESSIVE, |
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ctx->hwfc->surface_ids, |
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ctx->hwfc->nb_surfaces, |
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&ctx->va_context); |
|
if (vas != VA_STATUS_SUCCESS) { |
|
av_log(avctx, AV_LOG_ERROR, "Failed to create decode " |
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"context: %d (%s).\n", vas, vaErrorStr(vas)); |
|
err = AVERROR(EIO); |
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goto fail; |
|
} |
|
|
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av_log(avctx, AV_LOG_DEBUG, "Decode context initialised: " |
|
"%#x/%#x.\n", ctx->va_config, ctx->va_context); |
|
#if FF_API_VAAPI_CONTEXT |
|
} |
|
#endif |
|
|
|
return 0; |
|
|
|
fail: |
|
ff_vaapi_decode_uninit(avctx); |
|
return err; |
|
} |
|
|
|
int ff_vaapi_decode_uninit(AVCodecContext *avctx) |
|
{ |
|
VAAPIDecodeContext *ctx = avctx->internal->hwaccel_priv_data; |
|
VAStatus vas; |
|
|
|
#if FF_API_VAAPI_CONTEXT |
|
if (ctx->have_old_context) { |
|
av_buffer_unref(&ctx->device_ref); |
|
} else { |
|
#endif |
|
|
|
if (ctx->va_context != VA_INVALID_ID) { |
|
vas = vaDestroyContext(ctx->hwctx->display, ctx->va_context); |
|
if (vas != VA_STATUS_SUCCESS) { |
|
av_log(avctx, AV_LOG_ERROR, "Failed to destroy decode " |
|
"context %#x: %d (%s).\n", |
|
ctx->va_context, vas, vaErrorStr(vas)); |
|
} |
|
} |
|
if (ctx->va_config != VA_INVALID_ID) { |
|
vas = vaDestroyConfig(ctx->hwctx->display, ctx->va_config); |
|
if (vas != VA_STATUS_SUCCESS) { |
|
av_log(avctx, AV_LOG_ERROR, "Failed to destroy decode " |
|
"configuration %#x: %d (%s).\n", |
|
ctx->va_config, vas, vaErrorStr(vas)); |
|
} |
|
} |
|
|
|
#if FF_API_VAAPI_CONTEXT |
|
} |
|
#endif |
|
|
|
return 0; |
|
}
|
|
|