Moved reusable functions from dxva2_h264.c to dxva2.c

Originally committed as revision 21407 to svn://svn.ffmpeg.org/ffmpeg/trunk

4 files changed, 205 insertions, 133 deletions

diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 24518479e8..f137a6e168 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -28,6 +28,7 @@ OBJS = allcodecs.o                                                      \
 OBJS-$(CONFIG_AANDCT)                  += aandcttab.o
 OBJS-$(CONFIG_ENCODERS)                += faandct.o jfdctfst.o jfdctint.o
 OBJS-$(CONFIG_DCT)                     += dct.o
+OBJS-$(CONFIG_DXVA2)                   += dxva2.o
 FFT-OBJS-$(CONFIG_HARDCODED_TABLES)    += cos_tables.o
 OBJS-$(CONFIG_FFT)                     += fft.o $(FFT-OBJS-yes)
 OBJS-$(CONFIG_GOLOMB)                  += golomb.o
@@ -665,6 +666,7 @@ OBJS-$(HAVE_MMI)                       += ps2/dsputil_mmi.o             \
 OBJS-$(HAVE_VIS)                       += sparc/dsputil_vis.o           \
                                           sparc/simple_idct_vis.o       \
 
+SKIPHEADERS-$(CONFIG_DXVA2)            += dxva2_internal.h
 SKIPHEADERS-$(CONFIG_LIBDIRAC)         += libdirac.h
 SKIPHEADERS-$(CONFIG_LIBSCHROEDINGER)  += libschroedinger.h
 SKIPHEADERS-$(CONFIG_VAAPI)            += vaapi_internal.h
diff --git a/libavcodec/dxva2.c b/libavcodec/dxva2.c
new file mode 100644
index 0000000000..3f14311c9a
--- /dev/null
+++ b/libavcodec/dxva2.c
@@ -0,0 +1,154 @@
+/*
+ * DXVA2 HW acceleration.
+ *
+ * copyright (c) 2010 Laurent Aimar
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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.
+ *
+ * FFmpeg 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "dxva2_internal.h"
+
+void *ff_dxva2_get_surface(const Picture *picture)
+{
+    return picture->data[3];
+}
+
+unsigned ff_dxva2_get_surface_index(const struct dxva_context *ctx,
+                                    const Picture *picture)
+{
+    void *surface = ff_dxva2_get_surface(picture);
+    unsigned i;
+
+    for (i = 0; i < ctx->surface_count; i++)
+        if (ctx->surface[i] == surface)
+            return i;
+
+    assert(0);
+    return 0;
+}
+
+int ff_dxva2_commit_buffer(AVCodecContext *avctx,
+                           struct dxva_context *ctx,
+                           DXVA2_DecodeBufferDesc *dsc,
+                           unsigned type, const void *data, unsigned size,
+                           unsigned mb_count)
+{
+    void     *dxva_data;
+    unsigned dxva_size;
+    int      result;
+
+    if (FAILED(IDirectXVideoDecoder_GetBuffer(ctx->decoder, type,
+                                              &dxva_data, &dxva_size))) {
+        av_log(avctx, AV_LOG_ERROR, "Failed to get a buffer for %d\n", type);
+        return -1;
+    }
+    if (size <= dxva_size) {
+        memcpy(dxva_data, data, size);
+
+        memset(dsc, 0, sizeof(*dsc));
+        dsc->CompressedBufferType = type;
+        dsc->DataSize             = size;
+        dsc->NumMBsInBuffer       = mb_count;
+
+        result = 0;
+    } else {
+        av_log(avctx, AV_LOG_ERROR, "Buffer for type %d was too small\n", type);
+        result = -1;
+    }
+    if (FAILED(IDirectXVideoDecoder_ReleaseBuffer(ctx->decoder, type))) {
+        av_log(avctx, AV_LOG_ERROR, "Failed to release buffer type %d\n", type);
+        result = -1;
+    }
+    return result;
+}
+
+int ff_dxva2_common_end_frame(AVCodecContext *avctx, MpegEncContext *s,
+                              const void *pp, unsigned pp_size,
+                              const void *qm, unsigned qm_size,
+                              int (*commit_bs_si)(AVCodecContext *,
+                                                  DXVA2_DecodeBufferDesc *bs,
+                                                  DXVA2_DecodeBufferDesc *slice))
+{
+    struct dxva_context *ctx = avctx->hwaccel_context;
+    unsigned               buffer_count = 0;
+    DXVA2_DecodeBufferDesc buffer[4];
+    DXVA2_DecodeExecuteParams exec;
+    int      result;
+
+    if (FAILED(IDirectXVideoDecoder_BeginFrame(ctx->decoder,
+                                               ff_dxva2_get_surface(s->current_picture_ptr),
+                                               NULL))) {
+        av_log(avctx, AV_LOG_ERROR, "Failed to begin frame\n");
+        return -1;
+    }
+
+    result = ff_dxva2_commit_buffer(avctx, ctx, &buffer[buffer_count],
+                                    DXVA2_PictureParametersBufferType,
+                                    pp, pp_size, 0);
+    if (result) {
+        av_log(avctx, AV_LOG_ERROR,
+               "Failed to add picture parameter buffer\n");
+        goto end;
+    }
+    buffer_count++;
+
+    if (qm_size > 0) {
+        result = ff_dxva2_commit_buffer(avctx, ctx, &buffer[buffer_count],
+                                        DXVA2_InverseQuantizationMatrixBufferType,
+                                        qm, qm_size, 0);
+        if (result) {
+            av_log(avctx, AV_LOG_ERROR,
+                   "Failed to add inverse quantization matrix buffer\n");
+            goto end;
+        }
+        buffer_count++;
+    }
+
+    result = commit_bs_si(avctx,
+                          &buffer[buffer_count + 0],
+                          &buffer[buffer_count + 1]);
+    if (result) {
+        av_log(avctx, AV_LOG_ERROR,
+               "Failed to add bitstream or slice control buffer\n");
+        goto end;
+    }
+    buffer_count += 2;
+
+    /* TODO Film Grain when possible */
+
+    assert(buffer_count == 1 + (qm_size > 0) + 2);
+
+    memset(&exec, 0, sizeof(exec));
+    exec.NumCompBuffers      = buffer_count;
+    exec.pCompressedBuffers  = buffer;
+    exec.pExtensionData      = NULL;
+    if (FAILED(IDirectXVideoDecoder_Execute(ctx->decoder, &exec))) {
+        av_log(avctx, AV_LOG_ERROR, "Failed to execute\n");
+        result = -1;
+    }
+
+end:
+    if (FAILED(IDirectXVideoDecoder_EndFrame(ctx->decoder, NULL))) {
+        av_log(avctx, AV_LOG_ERROR, "Failed to end frame\n");
+        result = -1;
+    }
+
+    if (!result)
+        ff_draw_horiz_band(s, 0, s->avctx->height);
+    return result;
+}
+
diff --git a/libavcodec/dxva2_h264.c b/libavcodec/dxva2_h264.c
index bc42bf77c0..d507becc41 100644
--- a/libavcodec/dxva2_h264.c
+++ b/libavcodec/dxva2_h264.c
@@ -20,10 +20,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include "dxva2.h"
-#include "avcodec.h"
-
-#include "mpegvideo.h"
+#include "dxva2_internal.h"
 #include "h264.h"
 #include "h264data.h"
 
@@ -37,24 +34,6 @@ struct dxva2_picture_context {
     unsigned              bitstream_size;
 };
 
-static void *ff_dxva2_get_surface(const Picture *picture)
-{
-    return picture->data[3];
-}
-static unsigned ff_dxva2_get_surface_index(const struct dxva_context *ctx,
-                                           const Picture *picture)
-{
-    void *surface = ff_dxva2_get_surface(picture);
-    unsigned i;
-
-    for (i = 0; i < ctx->surface_count; i++)
-        if (ctx->surface[i] == surface)
-            return i;
-
-    assert(0);
-    return 0;
-}
-
 static void fill_picture_entry(DXVA_PicEntry_H264 *pic,
                                unsigned index, unsigned flag)
 {
@@ -277,41 +256,6 @@ static void fill_slice_long(AVCodecContext *avctx, DXVA_Slice_H264_Long *slice,
     slice->slice_id = h->current_slice - 1;
 }
 
-static int ff_dxva2_commit_buffer(AVCodecContext *avctx,
-                                  struct dxva_context *ctx,
-                                  DXVA2_DecodeBufferDesc *dsc,
-                                  unsigned type, const void *data, unsigned size,
-                                  unsigned mb_count)
-{
-    void     *dxva_data;
-    unsigned dxva_size;
-    int      result;
-
-    if (FAILED(IDirectXVideoDecoder_GetBuffer(ctx->decoder, type,
-                                              &dxva_data, &dxva_size))) {
-        av_log(avctx, AV_LOG_ERROR, "Failed to get a buffer for %d\n", type);
-        return -1;
-    }
-    if (size <= dxva_size) {
-        memcpy(dxva_data, data, size);
-
-        memset(dsc, 0, sizeof(*dsc));
-        dsc->CompressedBufferType = type;
-        dsc->DataSize             = size;
-        dsc->NumMBsInBuffer       = mb_count;
-
-        result = 0;
-    } else {
-        av_log(avctx, AV_LOG_ERROR, "Buffer for type %d was too small\n", type);
-        result = -1;
-    }
-    if (FAILED(IDirectXVideoDecoder_ReleaseBuffer(ctx->decoder, type))) {
-        av_log(avctx, AV_LOG_ERROR, "Failed to release buffer type %d\n", type);
-        result = -1;
-    }
-    return result;
-}
-
 static int commit_bitstream_and_slice_buffer(AVCodecContext *avctx,
                                              DXVA2_DecodeBufferDesc *bs,
                                              DXVA2_DecodeBufferDesc *sc)
@@ -464,82 +408,6 @@ static int decode_slice(AVCodecContext *avctx,
     return 0;
 }
 
-static int ff_dxva2_common_end_frame(AVCodecContext *avctx, MpegEncContext *s,
-                                     const void *pp, unsigned pp_size,
-                                     const void *qm, unsigned qm_size,
-                                     int (*commit_bs_si)(AVCodecContext *,
-                                                         DXVA2_DecodeBufferDesc *bs,
-                                                         DXVA2_DecodeBufferDesc *slice))
-{
-    struct dxva_context *ctx = avctx->hwaccel_context;
-    unsigned               buffer_count = 0;
-    DXVA2_DecodeBufferDesc buffer[4];
-    DXVA2_DecodeExecuteParams exec;
-    int      result;
-
-    if (FAILED(IDirectXVideoDecoder_BeginFrame(ctx->decoder,
-                                               ff_dxva2_get_surface(s->current_picture_ptr),
-                                               NULL))) {
-        av_log(avctx, AV_LOG_ERROR, "Failed to begin frame\n");
-        return -1;
-    }
-
-    result = ff_dxva2_commit_buffer(avctx, ctx, &buffer[buffer_count],
-                                    DXVA2_PictureParametersBufferType,
-                                    pp, pp_size, 0);
-    if (result) {
-        av_log(avctx, AV_LOG_ERROR,
-               "Failed to add picture parameter buffer\n");
-        goto end;
-    }
-    buffer_count++;
-
-    if (qm_size > 0) {
-        result = ff_dxva2_commit_buffer(avctx, ctx, &buffer[buffer_count],
-                                        DXVA2_InverseQuantizationMatrixBufferType,
-                                        qm, qm_size, 0);
-        if (result) {
-            av_log(avctx, AV_LOG_ERROR,
-                   "Failed to add inverse quantization matrix buffer\n");
-            goto end;
-        }
-        buffer_count++;
-    }
-
-    result = commit_bs_si(avctx,
-                          &buffer[buffer_count + 0],
-                          &buffer[buffer_count + 1]);
-    if (result) {
-        av_log(avctx, AV_LOG_ERROR,
-               "Failed to add bitstream or slice control buffer\n");
-        goto end;
-    }
-    buffer_count += 2;
-
-    /* TODO Film Grain when possible */
-
-    assert(buffer_count == 1 + (qm_size > 0) + 2);
-
-    memset(&exec, 0, sizeof(exec));
-    exec.NumCompBuffers      = buffer_count;
-    exec.pCompressedBuffers  = buffer;
-    exec.pExtensionData      = NULL;
-    if (FAILED(IDirectXVideoDecoder_Execute(ctx->decoder, &exec))) {
-        av_log(avctx, AV_LOG_ERROR, "Failed to execute\n");
-        result = -1;
-    }
-
-end:
-    if (FAILED(IDirectXVideoDecoder_EndFrame(ctx->decoder, NULL))) {
-        av_log(avctx, AV_LOG_ERROR, "Failed to end frame\n");
-        result = -1;
-    }
-
-    if (!result)
-        ff_draw_horiz_band(s, 0, s->avctx->height);
-    return result;
-}
-
 static int end_frame(AVCodecContext *avctx)
 {
     H264Context *h = avctx->priv_data;
diff --git a/libavcodec/dxva2_internal.h b/libavcodec/dxva2_internal.h
new file mode 100644
index 0000000000..a9be7a07e7
--- /dev/null
+++ b/libavcodec/dxva2_internal.h
@@ -0,0 +1,48 @@
+/*
+ * DXVA2 HW acceleration
+ *
+ * copyright (c) 2010 Laurent Aimar
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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.
+ *
+ * FFmpeg 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVCODEC_DXVA_INTERNAL_H
+#define AVCODEC_DXVA_INTERNAL_H
+
+#include "dxva2.h"
+#include "avcodec.h"
+#include "mpegvideo.h"
+
+void *ff_dxva2_get_surface(const Picture *picture);
+
+unsigned ff_dxva2_get_surface_index(const struct dxva_context *,
+                                    const Picture *picture);
+
+int ff_dxva2_commit_buffer(AVCodecContext *, struct dxva_context *,
+                           DXVA2_DecodeBufferDesc *,
+                           unsigned type, const void *data, unsigned size,
+                           unsigned mb_count);
+
+
+int ff_dxva2_common_end_frame(AVCodecContext *, MpegEncContext *,
+                              const void *pp, unsigned pp_size,
+                              const void *qm, unsigned qm_size,
+                              int (*commit_bs_si)(AVCodecContext *,
+                                                  DXVA2_DecodeBufferDesc *bs,
+                                                  DXVA2_DecodeBufferDesc *slice));
+
+#endif /* AVCODEC_DXVA_INTERNAL_H */