mirror of https://github.com/FFmpeg/FFmpeg.git
* commit '7671dd7cd7d51bbd637cc46d8f104a141bc355ea': avconv: add support for VDPAU decoding Conflicts: Changelog Makefile configure ffmpeg.h Merged-by: Michael Niedermayer <michaelni@gmx.at>pull/49/head
Michael Niedermayer
11 years ago
commit
3e641b4842
7 changed files with 364 additions and 3 deletions
@ -0,0 +1,335 @@ |
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/*
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* This file is part of FFmpeg. |
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* |
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* FFmpeg 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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* FFmpeg 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 FFmpeg; 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 <stdint.h> |
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#include <vdpau/vdpau.h> |
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#include <vdpau/vdpau_x11.h> |
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#include <X11/Xlib.h> |
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#include "ffmpeg.h" |
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#include "libavcodec/vdpau.h" |
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#include "libavutil/avassert.h" |
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#include "libavutil/buffer.h" |
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#include "libavutil/frame.h" |
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#include "libavutil/pixfmt.h" |
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typedef struct VDPAUContext { |
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Display *dpy; |
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VdpDevice device; |
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VdpDecoder decoder; |
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VdpGetProcAddress *get_proc_address; |
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VdpGetErrorString *get_error_string; |
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VdpGetInformationString *get_information_string; |
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VdpDeviceDestroy *device_destroy; |
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VdpDecoderCreate *decoder_create; |
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VdpDecoderDestroy *decoder_destroy; |
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VdpDecoderRender *decoder_render; |
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VdpVideoSurfaceCreate *video_surface_create; |
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VdpVideoSurfaceDestroy *video_surface_destroy; |
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VdpVideoSurfaceGetBitsYCbCr *video_surface_get_bits; |
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VdpVideoSurfaceGetParameters *video_surface_get_parameters; |
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VdpVideoSurfaceQueryGetPutBitsYCbCrCapabilities *video_surface_query; |
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AVFrame *tmp_frame; |
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enum AVPixelFormat pix_fmt; |
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VdpYCbCrFormat vdpau_format; |
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} VDPAUContext; |
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static void vdpau_uninit(AVCodecContext *s) |
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{ |
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InputStream *ist = s->opaque; |
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VDPAUContext *ctx = ist->hwaccel_ctx; |
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ist->hwaccel_uninit = NULL; |
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ist->hwaccel_get_buffer = NULL; |
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ist->hwaccel_retrieve_data = NULL; |
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if (ctx->decoder_destroy) |
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ctx->decoder_destroy(ctx->decoder); |
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if (ctx->device_destroy) |
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ctx->device_destroy(ctx->device); |
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if (ctx->dpy) |
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XCloseDisplay(ctx->dpy); |
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av_frame_free(&ctx->tmp_frame); |
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av_freep(&ist->hwaccel_ctx); |
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av_freep(&s->hwaccel_context); |
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} |
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static void vdpau_release_buffer(void *opaque, uint8_t *data) |
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{ |
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VdpVideoSurface surface = *(VdpVideoSurface*)data; |
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VDPAUContext *ctx = opaque; |
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ctx->video_surface_destroy(surface); |
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av_freep(&data); |
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} |
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static int vdpau_get_buffer(AVCodecContext *s, AVFrame *frame, int flags) |
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{ |
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InputStream *ist = s->opaque; |
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VDPAUContext *ctx = ist->hwaccel_ctx; |
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VdpVideoSurface *surface; |
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VdpStatus err; |
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av_assert0(frame->format == AV_PIX_FMT_VDPAU); |
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surface = av_malloc(sizeof(*surface)); |
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if (!surface) |
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return AVERROR(ENOMEM); |
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frame->buf[0] = av_buffer_create((uint8_t*)surface, sizeof(*surface), |
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vdpau_release_buffer, ctx, |
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AV_BUFFER_FLAG_READONLY); |
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if (!frame->buf[0]) { |
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av_freep(&surface); |
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return AVERROR(ENOMEM); |
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} |
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// properly we should keep a pool of surfaces instead of creating
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// them anew for each frame, but since we don't care about speed
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// much in this code, we don't bother
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err = ctx->video_surface_create(ctx->device, VDP_CHROMA_TYPE_420, |
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frame->width, frame->height, surface); |
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if (err != VDP_STATUS_OK) { |
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av_log(NULL, AV_LOG_ERROR, "Error allocating a VDPAU video surface: %s\n", |
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ctx->get_error_string(err)); |
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av_buffer_unref(&frame->buf[0]); |
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return AVERROR_UNKNOWN; |
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} |
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frame->data[3] = (uint8_t*)(uintptr_t)*surface; |
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return 0; |
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} |
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static int vdpau_retrieve_data(AVCodecContext *s, AVFrame *frame) |
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{ |
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VdpVideoSurface surface = (VdpVideoSurface)(uintptr_t)frame->data[3]; |
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InputStream *ist = s->opaque; |
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VDPAUContext *ctx = ist->hwaccel_ctx; |
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VdpStatus err; |
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int ret, chroma_type; |
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err = ctx->video_surface_get_parameters(surface, &chroma_type, |
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&ctx->tmp_frame->width, |
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&ctx->tmp_frame->height); |
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if (err != VDP_STATUS_OK) { |
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av_log(NULL, AV_LOG_ERROR, "Error getting surface parameters: %s\n", |
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ctx->get_error_string(err)); |
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return AVERROR_UNKNOWN; |
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} |
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ctx->tmp_frame->format = ctx->pix_fmt; |
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ret = av_frame_get_buffer(ctx->tmp_frame, 32); |
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if (ret < 0) |
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return ret; |
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ctx->tmp_frame->width = frame->width; |
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ctx->tmp_frame->height = frame->height; |
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err = ctx->video_surface_get_bits(surface, ctx->vdpau_format, |
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(void * const *)ctx->tmp_frame->data, |
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ctx->tmp_frame->linesize); |
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if (err != VDP_STATUS_OK) { |
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av_log(NULL, AV_LOG_ERROR, "Error retrieving frame data from VDPAU: %s\n", |
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ctx->get_error_string(err)); |
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ret = AVERROR_UNKNOWN; |
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goto fail; |
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} |
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if (ctx->vdpau_format == VDP_YCBCR_FORMAT_YV12) |
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FFSWAP(uint8_t*, ctx->tmp_frame->data[1], ctx->tmp_frame->data[2]); |
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ret = av_frame_copy_props(ctx->tmp_frame, frame); |
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if (ret < 0) |
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goto fail; |
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av_frame_unref(frame); |
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av_frame_move_ref(frame, ctx->tmp_frame); |
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return 0; |
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fail: |
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av_frame_unref(ctx->tmp_frame); |
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return ret; |
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} |
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static const int vdpau_formats[][2] = { |
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{ VDP_YCBCR_FORMAT_YV12, AV_PIX_FMT_YUV420P }, |
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{ VDP_YCBCR_FORMAT_NV12, AV_PIX_FMT_NV12 }, |
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{ VDP_YCBCR_FORMAT_YUYV, AV_PIX_FMT_YUYV422 }, |
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{ VDP_YCBCR_FORMAT_UYVY, AV_PIX_FMT_UYVY422 }, |
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}; |
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static int vdpau_alloc(AVCodecContext *s) |
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{ |
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InputStream *ist = s->opaque; |
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int loglevel = (ist->hwaccel_id == HWACCEL_AUTO) ? AV_LOG_VERBOSE : AV_LOG_ERROR; |
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AVVDPAUContext *vdpau_ctx; |
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VDPAUContext *ctx; |
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const char *display, *vendor; |
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VdpStatus err; |
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int i; |
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ctx = av_mallocz(sizeof(*ctx)); |
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if (!ctx) |
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return AVERROR(ENOMEM); |
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ist->hwaccel_ctx = ctx; |
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ist->hwaccel_uninit = vdpau_uninit; |
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ist->hwaccel_get_buffer = vdpau_get_buffer; |
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ist->hwaccel_retrieve_data = vdpau_retrieve_data; |
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ctx->tmp_frame = av_frame_alloc(); |
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if (!ctx->tmp_frame) |
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goto fail; |
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ctx->dpy = XOpenDisplay(ist->hwaccel_device); |
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if (!ctx->dpy) { |
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av_log(NULL, loglevel, "Cannot open the X11 display %s.\n", |
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XDisplayName(ist->hwaccel_device)); |
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goto fail; |
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} |
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display = XDisplayString(ctx->dpy); |
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err = vdp_device_create_x11(ctx->dpy, XDefaultScreen(ctx->dpy), &ctx->device, |
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&ctx->get_proc_address); |
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if (err != VDP_STATUS_OK) { |
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av_log(NULL, loglevel, "VDPAU device creation on X11 display %s failed.\n", |
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display); |
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goto fail; |
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} |
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#define GET_CALLBACK(id, result) \ |
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do { \
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void *tmp; \
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err = ctx->get_proc_address(ctx->device, id, &tmp); \
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if (err != VDP_STATUS_OK) { \
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av_log(NULL, loglevel, "Error getting the " #id " callback.\n"); \
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goto fail; \
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} \
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ctx->result = tmp; \
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} while (0) |
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GET_CALLBACK(VDP_FUNC_ID_GET_ERROR_STRING, get_error_string); |
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GET_CALLBACK(VDP_FUNC_ID_GET_INFORMATION_STRING, get_information_string); |
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GET_CALLBACK(VDP_FUNC_ID_DEVICE_DESTROY, device_destroy); |
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GET_CALLBACK(VDP_FUNC_ID_DECODER_CREATE, decoder_create); |
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GET_CALLBACK(VDP_FUNC_ID_DECODER_DESTROY, decoder_destroy); |
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GET_CALLBACK(VDP_FUNC_ID_DECODER_RENDER, decoder_render); |
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GET_CALLBACK(VDP_FUNC_ID_VIDEO_SURFACE_CREATE, video_surface_create); |
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GET_CALLBACK(VDP_FUNC_ID_VIDEO_SURFACE_DESTROY, video_surface_destroy); |
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GET_CALLBACK(VDP_FUNC_ID_VIDEO_SURFACE_GET_BITS_Y_CB_CR, video_surface_get_bits); |
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GET_CALLBACK(VDP_FUNC_ID_VIDEO_SURFACE_GET_PARAMETERS, video_surface_get_parameters); |
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GET_CALLBACK(VDP_FUNC_ID_VIDEO_SURFACE_QUERY_GET_PUT_BITS_Y_CB_CR_CAPABILITIES, |
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video_surface_query); |
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for (i = 0; i < FF_ARRAY_ELEMS(vdpau_formats); i++) { |
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VdpBool supported; |
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err = ctx->video_surface_query(ctx->device, VDP_CHROMA_TYPE_420, |
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vdpau_formats[i][0], &supported); |
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if (err != VDP_STATUS_OK) { |
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av_log(NULL, loglevel, |
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"Error querying VDPAU surface capabilities: %s\n", |
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ctx->get_error_string(err)); |
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goto fail; |
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} |
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if (supported) |
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break; |
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} |
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if (i == FF_ARRAY_ELEMS(vdpau_formats)) { |
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av_log(NULL, loglevel, |
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"No supported VDPAU format for retrieving the data.\n"); |
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return AVERROR(EINVAL); |
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} |
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ctx->vdpau_format = vdpau_formats[i][0]; |
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ctx->pix_fmt = vdpau_formats[i][1]; |
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vdpau_ctx = av_vdpau_alloc_context(); |
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if (!vdpau_ctx) |
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goto fail; |
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vdpau_ctx->render = ctx->decoder_render; |
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s->hwaccel_context = vdpau_ctx; |
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ctx->get_information_string(&vendor); |
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av_log(NULL, AV_LOG_VERBOSE, "Using VDPAU -- %s -- on X11 display %s, " |
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"to decode input stream #%d:%d.\n", vendor, |
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display, ist->file_index, ist->st->index); |
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return 0; |
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fail: |
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av_log(NULL, loglevel, "VDPAU init failed for stream #%d:%d.\n", |
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ist->file_index, ist->st->index); |
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vdpau_uninit(s); |
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return AVERROR(EINVAL); |
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} |
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int vdpau_init(AVCodecContext *s) |
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{ |
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InputStream *ist = s->opaque; |
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int loglevel = (ist->hwaccel_id == HWACCEL_AUTO) ? AV_LOG_VERBOSE : AV_LOG_ERROR; |
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AVVDPAUContext *vdpau_ctx; |
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VDPAUContext *ctx; |
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VdpStatus err; |
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int profile, ret; |
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if (!ist->hwaccel_ctx) { |
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ret = vdpau_alloc(s); |
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if (ret < 0) |
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return ret; |
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} |
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ctx = ist->hwaccel_ctx; |
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vdpau_ctx = s->hwaccel_context; |
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ret = av_vdpau_get_profile(s, &profile); |
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if (ret < 0) { |
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av_log(NULL, loglevel, "No known VDPAU decoder profile for this stream.\n"); |
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return AVERROR(EINVAL); |
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} |
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if (ctx->decoder) |
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ctx->decoder_destroy(ctx->decoder); |
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err = ctx->decoder_create(ctx->device, profile, |
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s->coded_width, s->coded_height, |
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16, &ctx->decoder); |
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if (err != VDP_STATUS_OK) { |
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av_log(NULL, loglevel, "Error creating the VDPAU decoder: %s\n", |
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ctx->get_error_string(err)); |
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return AVERROR_UNKNOWN; |
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} |
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vdpau_ctx->decoder = ctx->decoder; |
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ist->hwaccel_get_buffer = vdpau_get_buffer; |
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ist->hwaccel_retrieve_data = vdpau_retrieve_data; |
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return 0; |
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} |
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