alpha/pixblockdsp: move code out of dsputil
[ffmpeg.git] / libavcodec / dxva2_mpeg2.c
index fa6ae7b..ee832bc 100644 (file)
@@ -3,26 +3,28 @@
  *
  * copyright (c) 2010 Laurent Aimar
  *
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or
+ * 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.
  *
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include "libavutil/log.h"
 #include "dxva2_internal.h"
+#include "mpegutils.h"
 
-#define MAX_SLICES (SLICE_MAX_START_CODE - SLICE_MIN_START_CODE + 1)
+#define MAX_SLICES 1024
 struct dxva2_picture_context {
     DXVA_PictureParameters pp;
     DXVA_QmatrixData       qm;
@@ -42,14 +44,14 @@ static void fill_picture_parameters(AVCodecContext *avctx,
     int is_field = s->picture_structure != PICT_FRAME;
 
     memset(pp, 0, sizeof(*pp));
-    pp->wDecodedPictureIndex         = ff_dxva2_get_surface_index(ctx, current_picture);
+    pp->wDecodedPictureIndex         = ff_dxva2_get_surface_index(ctx, current_picture->f);
     pp->wDeblockedPictureIndex       = 0;
     if (s->pict_type != AV_PICTURE_TYPE_I)
-        pp->wForwardRefPictureIndex  = ff_dxva2_get_surface_index(ctx, &s->last_picture);
+        pp->wForwardRefPictureIndex  = ff_dxva2_get_surface_index(ctx, s->last_picture.f);
     else
         pp->wForwardRefPictureIndex  = 0xffff;
     if (s->pict_type == AV_PICTURE_TYPE_B)
-        pp->wBackwardRefPictureIndex = ff_dxva2_get_surface_index(ctx, &s->next_picture);
+        pp->wBackwardRefPictureIndex = ff_dxva2_get_surface_index(ctx, s->next_picture.f);
     else
         pp->wBackwardRefPictureIndex = 0xffff;
     pp->wPicWidthInMBminus1          = s->mb_width  - 1;
@@ -108,11 +110,11 @@ static void fill_quantization_matrices(AVCodecContext *avctx,
     for (i = 0; i < 4; i++)
         qm->bNewQmatrix[i] = 1;
     for (i = 0; i < 64; i++) {
-        int n = s->dsp.idct_permutation[ff_zigzag_direct[i]];
-        qm->Qmatrix[0][i] = s->intra_matrix[n];;
-        qm->Qmatrix[1][i] = s->inter_matrix[n];;
-        qm->Qmatrix[2][i] = s->chroma_intra_matrix[n];;
-        qm->Qmatrix[3][i] = s->chroma_inter_matrix[n];;
+        int n = s->idsp.idct_permutation[ff_zigzag_direct[i]];
+        qm->Qmatrix[0][i] = s->intra_matrix[n];
+        qm->Qmatrix[1][i] = s->inter_matrix[n];
+        qm->Qmatrix[2][i] = s->chroma_intra_matrix[n];
+        qm->Qmatrix[3][i] = s->chroma_inter_matrix[n];
     }
 }
 
@@ -139,8 +141,7 @@ static void fill_slice(AVCodecContext *avctx,
     init_get_bits(&gb, &buffer[4], 8 * (size - 4));
 
     slice->wQuantizerScaleCode = get_bits(&gb, 5);
-    while (get_bits1(&gb))
-        skip_bits(&gb, 8);
+    skip_1stop_8data_bits(&gb);
 
     slice->wMBbitOffset        = 4 * 8 + get_bits_count(&gb);
 }
@@ -151,7 +152,7 @@ static int commit_bitstream_and_slice_buffer(AVCodecContext *avctx,
     const struct MpegEncContext *s = avctx->priv_data;
     struct dxva_context *ctx = avctx->hwaccel_context;
     struct dxva2_picture_context *ctx_pic =
-        s->current_picture_ptr->f.hwaccel_picture_private;
+        s->current_picture_ptr->hwaccel_picture_private;
     const int is_field = s->picture_structure != PICT_FRAME;
     const unsigned mb_count = s->mb_width * (s->mb_height >> is_field);
     uint8_t  *dxva_data, *current, *end;
@@ -160,7 +161,7 @@ static int commit_bitstream_and_slice_buffer(AVCodecContext *avctx,
 
     if (FAILED(IDirectXVideoDecoder_GetBuffer(ctx->decoder,
                                               DXVA2_BitStreamDateBufferType,
-                                              &dxva_data, &dxva_size)))
+                                              (void **)&dxva_data, &dxva_size)))
         return -1;
     current = dxva_data;
     end = dxva_data + dxva_size;
@@ -203,14 +204,14 @@ static int commit_bitstream_and_slice_buffer(AVCodecContext *avctx,
                                   mb_count);
 }
 
-static int start_frame(AVCodecContext *avctx,
-                       av_unused const uint8_t *buffer,
-                       av_unused uint32_t size)
+static int dxva2_mpeg2_start_frame(AVCodecContext *avctx,
+                                   av_unused const uint8_t *buffer,
+                                   av_unused uint32_t size)
 {
     const struct MpegEncContext *s = avctx->priv_data;
     struct dxva_context *ctx = avctx->hwaccel_context;
     struct dxva2_picture_context *ctx_pic =
-        s->current_picture_ptr->f.hwaccel_picture_private;
+        s->current_picture_ptr->hwaccel_picture_private;
 
     if (!ctx->decoder || !ctx->cfg || ctx->surface_count <= 0)
         return -1;
@@ -225,17 +226,19 @@ static int start_frame(AVCodecContext *avctx,
     return 0;
 }
 
-static int decode_slice(AVCodecContext *avctx,
-                        const uint8_t *buffer, uint32_t size)
+static int dxva2_mpeg2_decode_slice(AVCodecContext *avctx,
+                                    const uint8_t *buffer, uint32_t size)
 {
     const struct MpegEncContext *s = avctx->priv_data;
     struct dxva2_picture_context *ctx_pic =
-        s->current_picture_ptr->f.hwaccel_picture_private;
+        s->current_picture_ptr->hwaccel_picture_private;
     unsigned position;
 
-    if (ctx_pic->slice_count >= MAX_SLICES)
+    if (ctx_pic->slice_count >= MAX_SLICES) {
+        avpriv_request_sample(avctx, "%d slices in dxva2",
+                              ctx_pic->slice_count);
         return -1;
-
+    }
     if (!ctx_pic->bitstream)
         ctx_pic->bitstream = buffer;
     ctx_pic->bitstream_size += size;
@@ -246,18 +249,22 @@ static int decode_slice(AVCodecContext *avctx,
     return 0;
 }
 
-static int end_frame(AVCodecContext *avctx)
+static int dxva2_mpeg2_end_frame(AVCodecContext *avctx)
 {
     struct MpegEncContext *s = avctx->priv_data;
     struct dxva2_picture_context *ctx_pic =
-        s->current_picture_ptr->f.hwaccel_picture_private;
+        s->current_picture_ptr->hwaccel_picture_private;
+    int ret;
 
     if (ctx_pic->slice_count <= 0 || ctx_pic->bitstream_size <= 0)
         return -1;
-    return ff_dxva2_common_end_frame(avctx, s,
-                                     &ctx_pic->pp, sizeof(ctx_pic->pp),
-                                     &ctx_pic->qm, sizeof(ctx_pic->qm),
-                                     commit_bitstream_and_slice_buffer);
+    ret = ff_dxva2_common_end_frame(avctx, s->current_picture_ptr->f,
+                                    &ctx_pic->pp, sizeof(ctx_pic->pp),
+                                    &ctx_pic->qm, sizeof(ctx_pic->qm),
+                                    commit_bitstream_and_slice_buffer);
+    if (!ret)
+        ff_mpeg_draw_horiz_band(s, 0, avctx->height);
+    return ret;
 }
 
 AVHWAccel ff_mpeg2_dxva2_hwaccel = {
@@ -265,8 +272,8 @@ AVHWAccel ff_mpeg2_dxva2_hwaccel = {
     .type           = AVMEDIA_TYPE_VIDEO,
     .id             = AV_CODEC_ID_MPEG2VIDEO,
     .pix_fmt        = AV_PIX_FMT_DXVA2_VLD,
-    .start_frame    = start_frame,
-    .decode_slice   = decode_slice,
-    .end_frame      = end_frame,
-    .priv_data_size = sizeof(struct dxva2_picture_context),
+    .start_frame    = dxva2_mpeg2_start_frame,
+    .decode_slice   = dxva2_mpeg2_decode_slice,
+    .end_frame      = dxva2_mpeg2_end_frame,
+    .frame_priv_data_size = sizeof(struct dxva2_picture_context),
 };