mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-23 12:43:46 +02:00
11c191b52c
Enables VP8 decoding - the decoder places the the bitstream version in the profile field, which we want to ignore.
550 lines
18 KiB
C
550 lines
18 KiB
C
/*
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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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#include "libavutil/avassert.h"
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#include "libavutil/common.h"
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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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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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av_assert0(pic->nb_param_buffers + 1 <= MAX_PARAM_BUFFERS);
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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, i;
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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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for (i = 0; i < pic->nb_param_buffers; i++)
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vaUnmapBuffer(ctx->hwctx->display, pic->param_buffers[i]);
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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_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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#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(ctx, 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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if (profile == VAProfileNone) {
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av_log(ctx, 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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ctx->va_profile = profile;
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ctx->va_entrypoint = VAEntrypointVLD;
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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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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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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(ctx, 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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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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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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ctx->va_config = VA_INVALID_ID;
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ctx->va_context = VA_INVALID_ID;
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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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ctx->have_old_context = 1;
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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.
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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);
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goto fail;
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}
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ctx->device = (AVHWDeviceContext*)ctx->device_ref->data;
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ctx->hwctx = ctx->device->hwctx;
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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
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#endif
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if (avctx->hw_frames_ctx) {
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// 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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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 {
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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;
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}
|
|
|
|
#if FF_API_VAAPI_CONTEXT
|
|
if (ctx->have_old_context) {
|
|
ctx->va_config = ctx->old_context->config_id;
|
|
ctx->va_context = ctx->old_context->context_id;
|
|
|
|
av_log(avctx, AV_LOG_DEBUG, "Using user-supplied decoder "
|
|
"context: %#x/%#x.\n", ctx->va_config, ctx->va_context);
|
|
} else {
|
|
#endif
|
|
|
|
err = vaapi_decode_make_config(avctx);
|
|
if (err)
|
|
goto fail;
|
|
|
|
vas = vaCreateContext(ctx->hwctx->display, ctx->va_config,
|
|
avctx->coded_width, avctx->coded_height,
|
|
VA_PROGRESSIVE,
|
|
ctx->hwfc->surface_ids,
|
|
ctx->hwfc->nb_surfaces,
|
|
&ctx->va_context);
|
|
if (vas != VA_STATUS_SUCCESS) {
|
|
av_log(avctx, AV_LOG_ERROR, "Failed to create decode "
|
|
"context: %d (%s).\n", vas, vaErrorStr(vas));
|
|
err = AVERROR(EIO);
|
|
goto fail;
|
|
}
|
|
|
|
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;
|
|
}
|