mirror of https://git.ffmpeg.org/ffmpeg.git
avconv: add support for VDPAU decoding
This commit is contained in:
Anton Khirnov
parent
07fd0a2219
commit
7671dd7cd7
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@ -48,6 +48,7 @@ version 10:
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- setsar/setdar filters now support variables in ratio expressions
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- dar variable in the scale filter now returns the actual DAR (i.e. a * sar)
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- VP9 decoder
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- support for decoding through VDPAU in avconv (the -hwaccel option)
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version 9:
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5
Makefile
5
Makefile
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@ -62,7 +62,10 @@ PROGS-$(CONFIG_AVPROBE) += avprobe
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PROGS-$(CONFIG_AVSERVER) += avserver
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PROGS := $(PROGS-yes:%=%$(EXESUF))
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OBJS-avconv = avconv_opt.o avconv_filter.o
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OBJS-avconv-$(HAVE_VDPAU_X11) += avconv_vdpau.o
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TESTTOOLS = audiogen videogen rotozoom tiny_psnr base64
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HOSTPROGS := $(TESTTOOLS:%=tests/%) doc/print_options
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TOOLS = qt-faststart trasher
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@ -126,7 +129,7 @@ endef
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$(foreach D,$(FFLIBS),$(eval $(call DOSUBDIR,lib$(D))))
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define DOPROG
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OBJS-$(1) += $(1).o cmdutils.o $(EXEOBJS)
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OBJS-$(1) += $(1).o cmdutils.o $(EXEOBJS) $(OBJS-$(1)-yes)
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$(1)$(EXESUF): $$(OBJS-$(1))
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$$(OBJS-$(1)): CFLAGS += $(CFLAGS-$(1))
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$(1)$(EXESUF): LDFLAGS += $(LDFLAGS-$(1))
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3
avconv.h
3
avconv.h
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@ -51,6 +51,7 @@
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enum HWAccelID {
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HWACCEL_NONE = 0,
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HWACCEL_AUTO,
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HWACCEL_VDPAU,
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};
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typedef struct HWAccel {
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@ -402,4 +403,6 @@ FilterGraph *init_simple_filtergraph(InputStream *ist, OutputStream *ost);
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int avconv_parse_options(int argc, char **argv);
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int vdpau_init(AVCodecContext *s);
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#endif /* AVCONV_H */
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@ -54,6 +54,9 @@
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}
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const HWAccel hwaccels[] = {
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#if HAVE_VDPAU_X11
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{ "vdpau", vdpau_init, HWACCEL_VDPAU, AV_PIX_FMT_VDPAU },
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#endif
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{ 0 },
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};
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@ -0,0 +1,335 @@
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/*
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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 <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 "avconv.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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@ -1367,11 +1367,13 @@ HAVE_LIST="
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threads
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unistd_h
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usleep
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vdpau_x11
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vfp_args
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VirtualAlloc
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windows_h
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winsock2_h
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xform_asm
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xlib
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xmm_clobbers
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"
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|
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@ -3906,15 +3908,21 @@ if enabled libcdio; then
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check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio
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fi
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check_lib X11/Xlib.h XOpenDisplay -lX11 && enable xlib
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enabled x11grab &&
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require X11 X11/Xlib.h XOpenDisplay -lX11 &&
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require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
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require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
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require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes &&
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{ enabled xlib || die "ERROR: Xlib not found"; }
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enabled vdpau &&
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check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
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disable vdpau
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enabled vdpau && enabled xlib &&
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check_lib2 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
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enable vdpau_x11
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enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
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|
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# add some useful compiler flags if supported
|
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|
|
|
|||
|
|
@ -562,6 +562,9 @@ Do not use any hardware acceleration (the default).
|
|||
|
||||
@item auto
|
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Automatically select the hardware acceleration method.
|
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|
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@item vdpau
|
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Use VDPAU (Video Decode and Presentation API for Unix) hardware acceleration.
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@end table
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|
||||
This option has no effect if the selected hwaccel is not available or not
|
||||
|
|
@ -579,6 +582,12 @@ Select a device to use for hardware acceleration.
|
|||
This option only makes sense when the @option{-hwaccel} option is also
|
||||
specified. Its exact meaning depends on the specific hardware acceleration
|
||||
method chosen.
|
||||
|
||||
@table @option
|
||||
@item vdpau
|
||||
For VDPAU, this option specifies the X11 display/screen to use. If this option
|
||||
is not specified, the value of the @var{DISPLAY} environment variable is used
|
||||
@end table
|
||||
@end table
|
||||
|
||||
@section Audio Options
|
||||
|
|
|
|||
Loading…
Reference in New Issue