configure: Log name and parameters of all helper functions where it makes sense
[libav.git] / avconv_vdpau.c
dissimilarity index 70%
index 37b50f6..5fedcee 100644 (file)
-/*
- * This file is part of Libav.
- *
- * Libav is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * Libav is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <stdint.h>
-
-#include <vdpau/vdpau.h>
-#include <vdpau/vdpau_x11.h>
-
-#include <X11/Xlib.h>
-
-#include "avconv.h"
-
-#include "libavcodec/vdpau.h"
-
-#include "libavutil/avassert.h"
-#include "libavutil/buffer.h"
-#include "libavutil/frame.h"
-#include "libavutil/pixfmt.h"
-
-typedef struct VDPAUContext {
-    Display *dpy;
-
-    VdpDevice  device;
-    VdpDecoder decoder;
-    VdpGetProcAddress *get_proc_address;
-
-    VdpGetErrorString                               *get_error_string;
-    VdpGetInformationString                         *get_information_string;
-    VdpDeviceDestroy                                *device_destroy;
-    VdpVideoSurfaceCreate                           *video_surface_create;
-    VdpVideoSurfaceDestroy                          *video_surface_destroy;
-    VdpVideoSurfaceGetBitsYCbCr                     *video_surface_get_bits;
-    VdpVideoSurfaceGetParameters                    *video_surface_get_parameters;
-    VdpVideoSurfaceQueryGetPutBitsYCbCrCapabilities *video_surface_query;
-
-    AVFrame *tmp_frame;
-
-    enum AVPixelFormat pix_fmt;
-    VdpYCbCrFormat vdpau_format;
-} VDPAUContext;
-
-static void vdpau_uninit(AVCodecContext *s)
-{
-    InputStream  *ist = s->opaque;
-    VDPAUContext *ctx = ist->hwaccel_ctx;
-
-    ist->hwaccel_uninit        = NULL;
-    ist->hwaccel_get_buffer    = NULL;
-    ist->hwaccel_retrieve_data = NULL;
-
-    if (ctx->device_destroy)
-        ctx->device_destroy(ctx->device);
-
-    if (ctx->dpy)
-        XCloseDisplay(ctx->dpy);
-
-    av_frame_free(&ctx->tmp_frame);
-
-    av_freep(&ist->hwaccel_ctx);
-    av_freep(&s->hwaccel_context);
-}
-
-static void vdpau_release_buffer(void *opaque, uint8_t *data)
-{
-    VdpVideoSurface surface = *(VdpVideoSurface*)data;
-    VDPAUContext *ctx = opaque;
-
-    ctx->video_surface_destroy(surface);
-    av_freep(&data);
-}
-
-static int vdpau_get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
-{
-    InputStream         *ist = s->opaque;
-    VDPAUContext        *ctx = ist->hwaccel_ctx;
-    VdpVideoSurface *surface;
-    VdpStatus err;
-
-    av_assert0(frame->format == AV_PIX_FMT_VDPAU);
-
-    surface = av_malloc(sizeof(*surface));
-    if (!surface)
-        return AVERROR(ENOMEM);
-
-    frame->buf[0] = av_buffer_create((uint8_t*)surface, sizeof(*surface),
-                                     vdpau_release_buffer, ctx,
-                                     AV_BUFFER_FLAG_READONLY);
-    if (!frame->buf[0]) {
-        av_freep(&surface);
-        return AVERROR(ENOMEM);
-    }
-
-    // properly we should keep a pool of surfaces instead of creating
-    // them anew for each frame, but since we don't care about speed
-    // much in this code, we don't bother
-    err = ctx->video_surface_create(ctx->device, VDP_CHROMA_TYPE_420,
-                                    frame->width, frame->height, surface);
-    if (err != VDP_STATUS_OK) {
-        av_log(NULL, AV_LOG_ERROR, "Error allocating a VDPAU video surface: %s\n",
-               ctx->get_error_string(err));
-        av_buffer_unref(&frame->buf[0]);
-        return AVERROR_UNKNOWN;
-    }
-
-    frame->data[3] = (uint8_t*)(uintptr_t)*surface;
-
-    return 0;
-}
-
-static int vdpau_retrieve_data(AVCodecContext *s, AVFrame *frame)
-{
-    VdpVideoSurface surface = (VdpVideoSurface)(uintptr_t)frame->data[3];
-    InputStream        *ist = s->opaque;
-    VDPAUContext       *ctx = ist->hwaccel_ctx;
-    VdpStatus err;
-    int ret, chroma_type;
-
-    err = ctx->video_surface_get_parameters(surface, &chroma_type,
-                                            &ctx->tmp_frame->width,
-                                            &ctx->tmp_frame->height);
-    if (err != VDP_STATUS_OK) {
-        av_log(NULL, AV_LOG_ERROR, "Error getting surface parameters: %s\n",
-               ctx->get_error_string(err));
-        return AVERROR_UNKNOWN;
-    }
-    ctx->tmp_frame->format = ctx->pix_fmt;
-
-    ret = av_frame_get_buffer(ctx->tmp_frame, 32);
-    if (ret < 0)
-        return ret;
-
-    ctx->tmp_frame->width  = frame->width;
-    ctx->tmp_frame->height = frame->height;
-
-    err = ctx->video_surface_get_bits(surface, ctx->vdpau_format,
-                                      (void * const *)ctx->tmp_frame->data,
-                                      ctx->tmp_frame->linesize);
-    if (err != VDP_STATUS_OK) {
-        av_log(NULL, AV_LOG_ERROR, "Error retrieving frame data from VDPAU: %s\n",
-               ctx->get_error_string(err));
-        ret = AVERROR_UNKNOWN;
-        goto fail;
-    }
-
-    if (ctx->vdpau_format == VDP_YCBCR_FORMAT_YV12)
-        FFSWAP(uint8_t*, ctx->tmp_frame->data[1], ctx->tmp_frame->data[2]);
-
-    ret = av_frame_copy_props(ctx->tmp_frame, frame);
-    if (ret < 0)
-        goto fail;
-
-    av_frame_unref(frame);
-    av_frame_move_ref(frame, ctx->tmp_frame);
-    return 0;
-
-fail:
-    av_frame_unref(ctx->tmp_frame);
-    return ret;
-}
-
-static const int vdpau_formats[][2] = {
-    { VDP_YCBCR_FORMAT_YV12, AV_PIX_FMT_YUV420P },
-    { VDP_YCBCR_FORMAT_NV12, AV_PIX_FMT_NV12 },
-    { VDP_YCBCR_FORMAT_YUYV, AV_PIX_FMT_YUYV422 },
-    { VDP_YCBCR_FORMAT_UYVY, AV_PIX_FMT_UYVY422 },
-};
-
-static int vdpau_alloc(AVCodecContext *s)
-{
-    InputStream  *ist = s->opaque;
-    int loglevel = (ist->hwaccel_id == HWACCEL_AUTO) ? AV_LOG_VERBOSE : AV_LOG_ERROR;
-    VDPAUContext *ctx;
-    const char *display, *vendor;
-    VdpStatus err;
-    int i;
-
-    ctx = av_mallocz(sizeof(*ctx));
-    if (!ctx)
-        return AVERROR(ENOMEM);
-
-    ist->hwaccel_ctx           = ctx;
-    ist->hwaccel_uninit        = vdpau_uninit;
-    ist->hwaccel_get_buffer    = vdpau_get_buffer;
-    ist->hwaccel_retrieve_data = vdpau_retrieve_data;
-
-    ctx->tmp_frame = av_frame_alloc();
-    if (!ctx->tmp_frame)
-        goto fail;
-
-    ctx->dpy = XOpenDisplay(ist->hwaccel_device);
-    if (!ctx->dpy) {
-        av_log(NULL, loglevel, "Cannot open the X11 display %s.\n",
-               XDisplayName(ist->hwaccel_device));
-        goto fail;
-    }
-    display = XDisplayString(ctx->dpy);
-
-    err = vdp_device_create_x11(ctx->dpy, XDefaultScreen(ctx->dpy), &ctx->device,
-                                &ctx->get_proc_address);
-    if (err != VDP_STATUS_OK) {
-        av_log(NULL, loglevel, "VDPAU device creation on X11 display %s failed.\n",
-               display);
-        goto fail;
-    }
-
-#define GET_CALLBACK(id, result)                                                \
-do {                                                                            \
-    void *tmp;                                                                  \
-    err = ctx->get_proc_address(ctx->device, id, &tmp);                         \
-    if (err != VDP_STATUS_OK) {                                                 \
-        av_log(NULL, loglevel, "Error getting the " #id " callback.\n");        \
-        goto fail;                                                              \
-    }                                                                           \
-    ctx->result = tmp;                                                          \
-} while (0)
-
-    GET_CALLBACK(VDP_FUNC_ID_GET_ERROR_STRING,               get_error_string);
-    GET_CALLBACK(VDP_FUNC_ID_GET_INFORMATION_STRING,         get_information_string);
-    GET_CALLBACK(VDP_FUNC_ID_DEVICE_DESTROY,                 device_destroy);
-    GET_CALLBACK(VDP_FUNC_ID_VIDEO_SURFACE_CREATE,           video_surface_create);
-    GET_CALLBACK(VDP_FUNC_ID_VIDEO_SURFACE_DESTROY,          video_surface_destroy);
-    GET_CALLBACK(VDP_FUNC_ID_VIDEO_SURFACE_GET_BITS_Y_CB_CR, video_surface_get_bits);
-    GET_CALLBACK(VDP_FUNC_ID_VIDEO_SURFACE_GET_PARAMETERS,   video_surface_get_parameters);
-    GET_CALLBACK(VDP_FUNC_ID_VIDEO_SURFACE_QUERY_GET_PUT_BITS_Y_CB_CR_CAPABILITIES,
-                 video_surface_query);
-
-    for (i = 0; i < FF_ARRAY_ELEMS(vdpau_formats); i++) {
-        VdpBool supported;
-        err = ctx->video_surface_query(ctx->device, VDP_CHROMA_TYPE_420,
-                                       vdpau_formats[i][0], &supported);
-        if (err != VDP_STATUS_OK) {
-            av_log(NULL, loglevel,
-                   "Error querying VDPAU surface capabilities: %s\n",
-                   ctx->get_error_string(err));
-            goto fail;
-        }
-        if (supported)
-            break;
-    }
-    if (i == FF_ARRAY_ELEMS(vdpau_formats)) {
-        av_log(NULL, loglevel,
-               "No supported VDPAU format for retrieving the data.\n");
-        return AVERROR(EINVAL);
-    }
-    ctx->vdpau_format = vdpau_formats[i][0];
-    ctx->pix_fmt      = vdpau_formats[i][1];
-
-    if (av_vdpau_bind_context(s, ctx->device, ctx->get_proc_address, 0))
-        goto fail;
-
-    ctx->get_information_string(&vendor);
-    av_log(NULL, AV_LOG_VERBOSE, "Using VDPAU -- %s -- on X11 display %s, "
-           "to decode input stream #%d:%d.\n", vendor,
-           display, ist->file_index, ist->st->index);
-
-    return 0;
-
-fail:
-    av_log(NULL, loglevel, "VDPAU init failed for stream #%d:%d.\n",
-           ist->file_index, ist->st->index);
-    vdpau_uninit(s);
-    return AVERROR(EINVAL);
-}
-
-int vdpau_init(AVCodecContext *s)
-{
-    InputStream *ist = s->opaque;
-
-    if (!ist->hwaccel_ctx) {
-        int ret = vdpau_alloc(s);
-        if (ret < 0)
-            return ret;
-    }
-
-    ist->hwaccel_get_buffer    = vdpau_get_buffer;
-    ist->hwaccel_retrieve_data = vdpau_retrieve_data;
-
-    return 0;
-}
+/*
+ * This file is part of Libav.
+ *
+ * Libav is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * Libav is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stdint.h>
+
+#include "avconv.h"
+
+#include "libavcodec/vdpau.h"
+
+#include "libavutil/buffer.h"
+#include "libavutil/frame.h"
+#include "libavutil/hwcontext.h"
+#include "libavutil/hwcontext_vdpau.h"
+#include "libavutil/pixfmt.h"
+
+typedef struct VDPAUContext {
+    AVBufferRef *hw_frames_ctx;
+    AVFrame *tmp_frame;
+} VDPAUContext;
+
+static void vdpau_uninit(AVCodecContext *s)
+{
+    InputStream  *ist = s->opaque;
+    VDPAUContext *ctx = ist->hwaccel_ctx;
+
+    ist->hwaccel_uninit        = NULL;
+    ist->hwaccel_get_buffer    = NULL;
+    ist->hwaccel_retrieve_data = NULL;
+
+    av_buffer_unref(&ctx->hw_frames_ctx);
+    av_frame_free(&ctx->tmp_frame);
+
+    av_freep(&ist->hwaccel_ctx);
+    av_freep(&s->hwaccel_context);
+}
+
+static int vdpau_get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
+{
+    InputStream         *ist = s->opaque;
+    VDPAUContext        *ctx = ist->hwaccel_ctx;
+
+    return av_hwframe_get_buffer(ctx->hw_frames_ctx, frame, 0);
+}
+
+static int vdpau_retrieve_data(AVCodecContext *s, AVFrame *frame)
+{
+    InputStream        *ist = s->opaque;
+    VDPAUContext       *ctx = ist->hwaccel_ctx;
+    int ret;
+
+    ret = av_hwframe_transfer_data(ctx->tmp_frame, frame, 0);
+    if (ret < 0)
+        return ret;
+
+    ret = av_frame_copy_props(ctx->tmp_frame, frame);
+    if (ret < 0) {
+        av_frame_unref(ctx->tmp_frame);
+        return ret;
+    }
+
+    av_frame_unref(frame);
+    av_frame_move_ref(frame, ctx->tmp_frame);
+
+    return 0;
+}
+
+static int vdpau_alloc(AVCodecContext *s)
+{
+    InputStream  *ist = s->opaque;
+    int loglevel = (ist->hwaccel_id == HWACCEL_AUTO) ? AV_LOG_VERBOSE : AV_LOG_ERROR;
+    VDPAUContext *ctx;
+    int ret;
+
+    AVBufferRef          *device_ref = NULL;
+    AVHWDeviceContext    *device_ctx;
+    AVVDPAUDeviceContext *device_hwctx;
+    AVHWFramesContext    *frames_ctx;
+
+    ctx = av_mallocz(sizeof(*ctx));
+    if (!ctx)
+        return AVERROR(ENOMEM);
+
+    ist->hwaccel_ctx           = ctx;
+    ist->hwaccel_uninit        = vdpau_uninit;
+    ist->hwaccel_get_buffer    = vdpau_get_buffer;
+    ist->hwaccel_retrieve_data = vdpau_retrieve_data;
+
+    ctx->tmp_frame = av_frame_alloc();
+    if (!ctx->tmp_frame)
+        goto fail;
+
+    ret = av_hwdevice_ctx_create(&device_ref, AV_HWDEVICE_TYPE_VDPAU,
+                                 ist->hwaccel_device, NULL, 0);
+    if (ret < 0)
+        goto fail;
+    device_ctx   = (AVHWDeviceContext*)device_ref->data;
+    device_hwctx = device_ctx->hwctx;
+
+    ctx->hw_frames_ctx = av_hwframe_ctx_alloc(device_ref);
+    if (!ctx->hw_frames_ctx)
+        goto fail;
+    av_buffer_unref(&device_ref);
+
+    frames_ctx            = (AVHWFramesContext*)ctx->hw_frames_ctx->data;
+    frames_ctx->format    = AV_PIX_FMT_VDPAU;
+    frames_ctx->sw_format = s->sw_pix_fmt;
+    frames_ctx->width     = s->coded_width;
+    frames_ctx->height    = s->coded_height;
+
+    ret = av_hwframe_ctx_init(ctx->hw_frames_ctx);
+    if (ret < 0)
+        goto fail;
+
+    if (av_vdpau_bind_context(s, device_hwctx->device, device_hwctx->get_proc_address, 0))
+        goto fail;
+
+    av_log(NULL, AV_LOG_VERBOSE, "Using VDPAU to decode input stream #%d:%d.\n",
+           ist->file_index, ist->st->index);
+
+    return 0;
+
+fail:
+    av_log(NULL, loglevel, "VDPAU init failed for stream #%d:%d.\n",
+           ist->file_index, ist->st->index);
+    av_buffer_unref(&device_ref);
+    vdpau_uninit(s);
+    return AVERROR(EINVAL);
+}
+
+int vdpau_init(AVCodecContext *s)
+{
+    InputStream *ist = s->opaque;
+
+    if (!ist->hwaccel_ctx) {
+        int ret = vdpau_alloc(s);
+        if (ret < 0)
+            return ret;
+    }
+
+    ist->hwaccel_get_buffer    = vdpau_get_buffer;
+    ist->hwaccel_retrieve_data = vdpau_retrieve_data;
+
+    return 0;
+}