vaapi_mpeg2: Convert to use the new VAAPI hwaccel code

(cherry picked from commit 102e13c3)

libavcodec/vaapi_mpeg2.c

@@ -22,8 +22,8 @@
 
 #include "mpegutils.h"
 #include "mpegvideo.h"
-#include "vaapi_internal.h"
 #include "internal.h"
+#include "vaapi_decode.h"
 
 /** Reconstruct bitstream f_code */
 static inline int mpeg2_get_f_code(const MpegEncContext *s)
@@ -41,71 +41,100 @@ static inline int mpeg2_get_is_frame_start(const MpegEncContext *s)
 static int vaapi_mpeg2_start_frame(AVCodecContext *avctx, av_unused const uint8_t *buffer, av_unused uint32_t size)
 {
     const MpegEncContext *s = avctx->priv_data;
-    FFVAContext *vactx = ff_vaapi_get_context(avctx);
-    VAPictureParameterBufferMPEG2 *pic_param;
-    VAIQMatrixBufferMPEG2 *iq_matrix;
-    int i;
-
-    vactx->slice_param_size = sizeof(VASliceParameterBufferMPEG2);
-
-    /* Fill in VAPictureParameterBufferMPEG2 */
-    pic_param = ff_vaapi_alloc_pic_param(vactx, sizeof(VAPictureParameterBufferMPEG2));
-    if (!pic_param)
-        return -1;
-    pic_param->horizontal_size                                  = s->width;
-    pic_param->vertical_size                                    = s->height;
-    pic_param->forward_reference_picture                        = VA_INVALID_ID;
-    pic_param->backward_reference_picture                       = VA_INVALID_ID;
-    pic_param->picture_coding_type                              = s->pict_type;
-    pic_param->f_code                                           = mpeg2_get_f_code(s);
-    pic_param->picture_coding_extension.value                   = 0; /* reset all bits */
-    pic_param->picture_coding_extension.bits.intra_dc_precision = s->intra_dc_precision;
-    pic_param->picture_coding_extension.bits.picture_structure  = s->picture_structure;
-    pic_param->picture_coding_extension.bits.top_field_first    = s->top_field_first;
-    pic_param->picture_coding_extension.bits.frame_pred_frame_dct = s->frame_pred_frame_dct;
-    pic_param->picture_coding_extension.bits.concealment_motion_vectors = s->concealment_motion_vectors;
-    pic_param->picture_coding_extension.bits.q_scale_type       = s->q_scale_type;
-    pic_param->picture_coding_extension.bits.intra_vlc_format   = s->intra_vlc_format;
-    pic_param->picture_coding_extension.bits.alternate_scan     = s->alternate_scan;
-    pic_param->picture_coding_extension.bits.repeat_first_field = s->repeat_first_field;
-    pic_param->picture_coding_extension.bits.progressive_frame  = s->progressive_frame;
-    pic_param->picture_coding_extension.bits.is_first_field     = mpeg2_get_is_frame_start(s);
+    VAAPIDecodePicture *pic = s->current_picture_ptr->hwaccel_picture_private;
+    VAPictureParameterBufferMPEG2 pic_param;
+    VAIQMatrixBufferMPEG2 iq_matrix;
+    int i, err;
+
+    pic->output_surface = ff_vaapi_get_surface_id(s->current_picture_ptr->f);
+
+    pic_param = (VAPictureParameterBufferMPEG2) {
+        .horizontal_size                 = s->width,
+        .vertical_size                   = s->height,
+        .forward_reference_picture       = VA_INVALID_ID,
+        .backward_reference_picture      = VA_INVALID_ID,
+        .picture_coding_type             = s->pict_type,
+        .f_code                          = mpeg2_get_f_code(s),
+        .picture_coding_extension.bits = {
+            .intra_dc_precision          = s->intra_dc_precision,
+            .picture_structure           = s->picture_structure,
+            .top_field_first             = s->top_field_first,
+            .frame_pred_frame_dct        = s->frame_pred_frame_dct,
+            .concealment_motion_vectors  = s->concealment_motion_vectors,
+            .q_scale_type                = s->q_scale_type,
+            .intra_vlc_format            = s->intra_vlc_format,
+            .alternate_scan              = s->alternate_scan,
+            .repeat_first_field          = s->repeat_first_field,
+            .progressive_frame           = s->progressive_frame,
+            .is_first_field              = mpeg2_get_is_frame_start(s),
+        },
+    };
 
     switch (s->pict_type) {
     case AV_PICTURE_TYPE_B:
-        pic_param->backward_reference_picture = ff_vaapi_get_surface_id(s->next_picture.f);
+        pic_param.backward_reference_picture = ff_vaapi_get_surface_id(s->next_picture.f);
         // fall-through
     case AV_PICTURE_TYPE_P:
-        pic_param->forward_reference_picture = ff_vaapi_get_surface_id(s->last_picture.f);
+        pic_param.forward_reference_picture = ff_vaapi_get_surface_id(s->last_picture.f);
         break;
     }
 
-    /* Fill in VAIQMatrixBufferMPEG2 */
-    iq_matrix = ff_vaapi_alloc_iq_matrix(vactx, sizeof(VAIQMatrixBufferMPEG2));
-    if (!iq_matrix)
-        return -1;
-    iq_matrix->load_intra_quantiser_matrix              = 1;
-    iq_matrix->load_non_intra_quantiser_matrix          = 1;
-    iq_matrix->load_chroma_intra_quantiser_matrix       = 1;
-    iq_matrix->load_chroma_non_intra_quantiser_matrix   = 1;
+    err = ff_vaapi_decode_make_param_buffer(avctx, pic,
+                                            VAPictureParameterBufferType,
+                                            &pic_param, sizeof(pic_param));
+    if (err < 0)
+        goto fail;
+
+    iq_matrix.load_intra_quantiser_matrix              = 1;
+    iq_matrix.load_non_intra_quantiser_matrix          = 1;
+    iq_matrix.load_chroma_intra_quantiser_matrix       = 1;
+    iq_matrix.load_chroma_non_intra_quantiser_matrix   = 1;
 
     for (i = 0; i < 64; i++) {
         int n = s->idsp.idct_permutation[ff_zigzag_direct[i]];
-        iq_matrix->intra_quantiser_matrix[i]            = s->intra_matrix[n];
-        iq_matrix->non_intra_quantiser_matrix[i]        = s->inter_matrix[n];
-        iq_matrix->chroma_intra_quantiser_matrix[i]     = s->chroma_intra_matrix[n];
-        iq_matrix->chroma_non_intra_quantiser_matrix[i] = s->chroma_inter_matrix[n];
+        iq_matrix.intra_quantiser_matrix[i]            = s->intra_matrix[n];
+        iq_matrix.non_intra_quantiser_matrix[i]        = s->inter_matrix[n];
+        iq_matrix.chroma_intra_quantiser_matrix[i]     = s->chroma_intra_matrix[n];
+        iq_matrix.chroma_non_intra_quantiser_matrix[i] = s->chroma_inter_matrix[n];
     }
+
+    err = ff_vaapi_decode_make_param_buffer(avctx, pic,
+                                            VAIQMatrixBufferType,
+                                            &iq_matrix, sizeof(iq_matrix));
+    if (err < 0)
+        goto fail;
+
     return 0;
+
+fail:
+    ff_vaapi_decode_cancel(avctx, pic);
+    return err;
+}
+
+static int vaapi_mpeg2_end_frame(AVCodecContext *avctx)
+{
+    MpegEncContext     *s   = avctx->priv_data;
+    VAAPIDecodePicture *pic = s->current_picture_ptr->hwaccel_picture_private;
+    int ret;
+
+    ret = ff_vaapi_decode_issue(avctx, pic);
+    if (ret < 0)
+        goto fail;
+
+    ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
+
+fail:
+    return ret;
 }
 
 static int vaapi_mpeg2_decode_slice(AVCodecContext *avctx, const uint8_t *buffer, uint32_t size)
 {
     const MpegEncContext *s = avctx->priv_data;
-    FFVAContext *vactx = ff_vaapi_get_context(avctx);
-    VASliceParameterBufferMPEG2 *slice_param;
+    VAAPIDecodePicture *pic = s->current_picture_ptr->hwaccel_picture_private;
+    VASliceParameterBufferMPEG2 slice_param;
     GetBitContext gb;
     uint32_t quantiser_scale_code, intra_slice_flag, macroblock_offset;
+    int err;
 
     /* Determine macroblock_offset */
     init_get_bits(&gb, buffer, 8 * size);
@@ -120,27 +149,38 @@ static int vaapi_mpeg2_decode_slice(AVCodecContext *avctx, const uint8_t *buffer
     }
     macroblock_offset = get_bits_count(&gb);
 
-    /* Fill in VASliceParameterBufferMPEG2 */
-    slice_param = (VASliceParameterBufferMPEG2 *)ff_vaapi_alloc_slice(vactx, buffer, size);
-    if (!slice_param)
-        return -1;
-    slice_param->macroblock_offset              = macroblock_offset;
-    slice_param->slice_horizontal_position      = s->mb_x;
-    slice_param->slice_vertical_position        = s->mb_y >> (s->picture_structure != PICT_FRAME);
-    slice_param->quantiser_scale_code           = quantiser_scale_code;
-    slice_param->intra_slice_flag               = intra_slice_flag;
+    slice_param = (VASliceParameterBufferMPEG2) {
+        .slice_data_size            = size,
+        .slice_data_offset          = 0,
+        .slice_data_flag            = VA_SLICE_DATA_FLAG_ALL,
+        .macroblock_offset          = macroblock_offset,
+        .slice_horizontal_position  = s->mb_x,
+        .slice_vertical_position    = s->mb_y >> (s->picture_structure != PICT_FRAME),
+        .quantiser_scale_code       = quantiser_scale_code,
+        .intra_slice_flag           = intra_slice_flag,
+    };
+
+    err = ff_vaapi_decode_make_slice_buffer(avctx, pic,
+                                            &slice_param, sizeof(slice_param),
+                                            buffer, size);
+    if (err < 0) {
+        ff_vaapi_decode_cancel(avctx, pic);
+        return err;
+    }
+
     return 0;
 }
 
 AVHWAccel ff_mpeg2_vaapi_hwaccel = {
-    .name           = "mpeg2_vaapi",
-    .type           = AVMEDIA_TYPE_VIDEO,
-    .id             = AV_CODEC_ID_MPEG2VIDEO,
-    .pix_fmt        = AV_PIX_FMT_VAAPI,
-    .start_frame    = vaapi_mpeg2_start_frame,
-    .end_frame      = ff_vaapi_mpeg_end_frame,
-    .decode_slice   = vaapi_mpeg2_decode_slice,
-    .init           = ff_vaapi_context_init,
-    .uninit         = ff_vaapi_context_fini,
-    .priv_data_size = sizeof(FFVAContext),
+    .name                 = "mpeg2_vaapi",
+    .type                 = AVMEDIA_TYPE_VIDEO,
+    .id                   = AV_CODEC_ID_MPEG2VIDEO,
+    .pix_fmt              = AV_PIX_FMT_VAAPI,
+    .start_frame          = &vaapi_mpeg2_start_frame,
+    .end_frame            = &vaapi_mpeg2_end_frame,
+    .decode_slice         = &vaapi_mpeg2_decode_slice,
+    .frame_priv_data_size = sizeof(VAAPIDecodePicture),
+    .init                 = &ff_vaapi_decode_init,
+    .uninit               = &ff_vaapi_decode_uninit,
+    .priv_data_size       = sizeof(VAAPIDecodeContext),
 };