Browse code

ffmpeg: Enable generic hwaccel support for VDPAU

(cherry picked from commit aa6b2e081c504cb99f5e2e0ceb45295ef24bdac2)

Mark Thompson authored on 2017/03/05 08:57:34
Showing 4 changed files
... ...
@@ -39,7 +39,6 @@ OBJS-ffmpeg-$(CONFIG_VDA)     += ffmpeg_videotoolbox.o
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 endif
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 OBJS-ffmpeg-$(CONFIG_CUVID)   += ffmpeg_cuvid.o
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 OBJS-ffmpeg-$(HAVE_DXVA2_LIB) += ffmpeg_dxva2.o
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-OBJS-ffmpeg-$(HAVE_VDPAU_X11) += ffmpeg_vdpau.o
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 OBJS-ffserver                 += ffserver_config.o
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 TESTTOOLS   = audiogen videogen rotozoom tiny_psnr tiny_ssim base64 audiomatch
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@@ -660,7 +660,6 @@ int ifilter_parameters_from_frame(InputFilter *ifilter, const AVFrame *frame);
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 int ffmpeg_parse_options(int argc, char **argv);
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-int vdpau_init(AVCodecContext *s);
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 int dxva2_init(AVCodecContext *s);
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 int vda_init(AVCodecContext *s);
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 int videotoolbox_init(AVCodecContext *s);
... ...
@@ -67,8 +67,8 @@
67 67
 
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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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-      AV_HWDEVICE_TYPE_NONE },
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+    { "vdpau", hwaccel_decode_init, HWACCEL_VDPAU, AV_PIX_FMT_VDPAU,
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+      AV_HWDEVICE_TYPE_VDPAU },
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 #endif
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 #if HAVE_DXVA2_LIB
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     { "dxva2", dxva2_init, HWACCEL_DXVA2, AV_PIX_FMT_DXVA2_VLD,
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deleted file mode 100644
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@@ -1,159 +0,0 @@
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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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-
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-#include <stdint.h>
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-
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-#include "ffmpeg.h"
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-
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-#include "libavcodec/vdpau.h"
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-
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-#include "libavutil/buffer.h"
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-#include "libavutil/frame.h"
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-#include "libavutil/hwcontext.h"
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-#include "libavutil/hwcontext_vdpau.h"
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-#include "libavutil/pixfmt.h"
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-
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-typedef struct VDPAUContext {
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-    AVBufferRef *hw_frames_ctx;
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-    AVFrame *tmp_frame;
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-} VDPAUContext;
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-
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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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-
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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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-
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-    av_buffer_unref(&ctx->hw_frames_ctx);
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-    av_frame_free(&ctx->tmp_frame);
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-
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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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-
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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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-
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-    return av_hwframe_get_buffer(ctx->hw_frames_ctx, frame, 0);
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-}
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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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-    InputStream        *ist = s->opaque;
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-    VDPAUContext       *ctx = ist->hwaccel_ctx;
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-    int ret;
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-
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-    ret = av_hwframe_transfer_data(ctx->tmp_frame, frame, 0);
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-    if (ret < 0)
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-        return ret;
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-
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-    ret = av_frame_copy_props(ctx->tmp_frame, frame);
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-    if (ret < 0) {
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-        av_frame_unref(ctx->tmp_frame);
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-        return ret;
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-    }
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-
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-    av_frame_unref(frame);
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-    av_frame_move_ref(frame, ctx->tmp_frame);
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-
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-    return 0;
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-}
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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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-    VDPAUContext *ctx;
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-    int ret;
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-
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-    AVBufferRef          *device_ref = NULL;
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-    AVHWDeviceContext    *device_ctx;
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-    AVVDPAUDeviceContext *device_hwctx;
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-    AVHWFramesContext    *frames_ctx;
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-
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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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-
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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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-
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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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-
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-    ret = av_hwdevice_ctx_create(&device_ref, AV_HWDEVICE_TYPE_VDPAU,
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-                                 ist->hwaccel_device, NULL, 0);
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-    if (ret < 0)
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-        goto fail;
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-    device_ctx   = (AVHWDeviceContext*)device_ref->data;
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-    device_hwctx = device_ctx->hwctx;
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-
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-    ctx->hw_frames_ctx = av_hwframe_ctx_alloc(device_ref);
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-    if (!ctx->hw_frames_ctx)
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-        goto fail;
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-    av_buffer_unref(&device_ref);
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-
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-    frames_ctx            = (AVHWFramesContext*)ctx->hw_frames_ctx->data;
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-    frames_ctx->format    = AV_PIX_FMT_VDPAU;
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-    frames_ctx->sw_format = s->sw_pix_fmt;
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-    frames_ctx->width     = s->coded_width;
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-    frames_ctx->height    = s->coded_height;
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-
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-    ret = av_hwframe_ctx_init(ctx->hw_frames_ctx);
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-    if (ret < 0)
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-        goto fail;
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-
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-    if (av_vdpau_bind_context(s, device_hwctx->device, device_hwctx->get_proc_address, 0))
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-        goto fail;
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-
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-    av_log(NULL, AV_LOG_VERBOSE, "Using VDPAU to decode input stream #%d:%d.\n",
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-           ist->file_index, ist->st->index);
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-
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-    return 0;
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-
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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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-    av_buffer_unref(&device_ref);
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-    vdpau_uninit(s);
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-    return AVERROR(EINVAL);
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-}
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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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-
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-    if (!ist->hwaccel_ctx) {
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-        int 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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-
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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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-
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-    return 0;
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-}