*
* Copyright (C) 2008-2009 Splitted-Desktop Systems
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * 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.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * 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 FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "vaapi_internal.h"
#include "h264.h"
-/** @file
- * This file implements the glue code between FFmpeg's and VA API's
- * structures for H.264 decoding.
+/**
+ * @file
+ * This file implements the glue code between Libav's and VA API's
+ * structures for H.264 decoding.
*/
/**
- * Initializes an empty VA API picture.
+ * Initialize an empty VA API picture.
*
* VA API requires a fixed-size reference picture array.
*/
}
/**
- * Translates an FFmpeg Picture into its VA API form.
+ * Translate an Libav Picture into its VA API form.
*
* @param[out] va_pic A pointer to VA API's own picture struct
- * @param[in] pic A pointer to the FFmpeg picture struct to convert
+ * @param[in] pic A pointer to the Libav picture struct to convert
* @param[in] pic_structure The picture field type (as defined in mpegvideo.h),
* supersedes pic's field type if nonzero.
*/
int pic_structure)
{
if (pic_structure == 0)
- pic_structure = pic->reference;
+ pic_structure = pic->f.reference;
+ pic_structure &= PICT_FRAME; /* PICT_TOP_FIELD|PICT_BOTTOM_FIELD */
va_pic->picture_id = ff_vaapi_get_surface_id(pic);
va_pic->frame_idx = pic->long_ref ? pic->pic_id : pic->frame_num;
va_pic->flags = 0;
if (pic_structure != PICT_FRAME)
va_pic->flags |= (pic_structure & PICT_TOP_FIELD) ? VA_PICTURE_H264_TOP_FIELD : VA_PICTURE_H264_BOTTOM_FIELD;
- if (pic->reference)
+ if (pic->f.reference)
va_pic->flags |= pic->long_ref ? VA_PICTURE_H264_LONG_TERM_REFERENCE : VA_PICTURE_H264_SHORT_TERM_REFERENCE;
va_pic->TopFieldOrderCnt = 0;
} DPB;
/**
- * Appends picture to the decoded picture buffer, in a VA API form that
+ * Append picture to the decoded picture buffer, in a VA API form that
* merges the second field picture attributes with the first, if
* available. The decoded picture buffer's size must be large enough
* to receive the new VA API picture object.
return 0;
}
-/** Fills in VA API reference frames array. */
+/** Fill in VA API reference frames array. */
static int fill_vaapi_ReferenceFrames(VAPictureParameterBufferH264 *pic_param,
H264Context *h)
{
for (i = 0; i < h->short_ref_count; i++) {
Picture * const pic = h->short_ref[i];
- if (pic && pic->reference && dpb_add(&dpb, pic) < 0)
+ if (pic && pic->f.reference && dpb_add(&dpb, pic) < 0)
return -1;
}
- for (i = 0; i < h->long_ref_count; i++) {
+ for (i = 0; i < 16; i++) {
Picture * const pic = h->long_ref[i];
- if (pic && pic->reference && dpb_add(&dpb, pic) < 0)
+ if (pic && pic->f.reference && dpb_add(&dpb, pic) < 0)
return -1;
}
return 0;
}
/**
- * Fills in VA API reference picture lists from the FFmpeg reference
+ * Fill in VA API reference picture lists from the Libav reference
* picture list.
*
* @param[out] RefPicList VA API internal reference picture list
- * @param[in] ref_list A pointer to the FFmpeg reference list
+ * @param[in] ref_list A pointer to the Libav reference list
* @param[in] ref_count The number of reference pictures in ref_list
*/
static void fill_vaapi_RefPicList(VAPictureH264 RefPicList[32],
{
unsigned int i, n = 0;
for (i = 0; i < ref_count; i++)
- if (ref_list[i].reference)
+ if (ref_list[i].f.reference)
fill_vaapi_pic(&RefPicList[n++], &ref_list[i], 0);
for (; n < 32; n++)
}
/**
- * Fills in prediction weight table.
+ * Fill in prediction weight table.
*
* VA API requires a plain prediction weight table as it does not infer
* any value.
}
}
-/** Initializes and starts decoding a frame with VA API. */
+/** Initialize and start decoding a frame with VA API. */
static int start_frame(AVCodecContext *avctx,
av_unused const uint8_t *buffer,
av_unused uint32_t size)
VAPictureParameterBufferH264 *pic_param;
VAIQMatrixBufferH264 *iq_matrix;
- dprintf(avctx, "start_frame()\n");
+ av_dlog(avctx, "start_frame()\n");
vactx->slice_param_size = sizeof(VASliceParameterBufferH264);
pic_param->seq_fields.bits.delta_pic_order_always_zero_flag = h->sps.delta_pic_order_always_zero_flag;
pic_param->num_slice_groups_minus1 = h->pps.slice_group_count - 1;
pic_param->slice_group_map_type = h->pps.mb_slice_group_map_type;
- pic_param->slice_group_change_rate_minus1 = 0; /* XXX: unimplemented in FFmpeg */
+ pic_param->slice_group_change_rate_minus1 = 0; /* XXX: unimplemented in Libav */
pic_param->pic_init_qp_minus26 = h->pps.init_qp - 26;
pic_param->pic_init_qs_minus26 = h->pps.init_qs - 26;
pic_param->chroma_qp_index_offset = h->pps.chroma_qp_index_offset[0];
return 0;
}
-/** Ends a hardware decoding based frame. */
+/** End a hardware decoding based frame. */
static int end_frame(AVCodecContext *avctx)
{
H264Context * const h = avctx->priv_data;
- dprintf(avctx, "end_frame()\n");
+ av_dlog(avctx, "end_frame()\n");
return ff_vaapi_common_end_frame(&h->s);
}
-/** Decodes the given H.264 slice with VA API. */
+/** Decode the given H.264 slice with VA API. */
static int decode_slice(AVCodecContext *avctx,
const uint8_t *buffer,
uint32_t size)
MpegEncContext * const s = &h->s;
VASliceParameterBufferH264 *slice_param;
- dprintf(avctx, "decode_slice(): buffer %p, size %d\n", buffer, size);
+ av_dlog(avctx, "decode_slice(): buffer %p, size %d\n", buffer, size);
/* Fill in VASliceParameterBufferH264. */
slice_param = (VASliceParameterBufferH264 *)ff_vaapi_alloc_slice(avctx->hwaccel_context, buffer, size);
slice_param->slice_data_bit_offset = get_bits_count(&h->s.gb) + 8; /* bit buffer started beyond nal_unit_type */
slice_param->first_mb_in_slice = (s->mb_y >> FIELD_OR_MBAFF_PICTURE) * s->mb_width + s->mb_x;
slice_param->slice_type = ff_h264_get_slice_type(h);
- slice_param->direct_spatial_mv_pred_flag = h->slice_type == FF_B_TYPE ? h->direct_spatial_mv_pred : 0;
+ slice_param->direct_spatial_mv_pred_flag = h->slice_type == AV_PICTURE_TYPE_B ? h->direct_spatial_mv_pred : 0;
slice_param->num_ref_idx_l0_active_minus1 = h->list_count > 0 ? h->ref_count[0] - 1 : 0;
slice_param->num_ref_idx_l1_active_minus1 = h->list_count > 1 ? h->ref_count[1] - 1 : 0;
slice_param->cabac_init_idc = h->cabac_init_idc;
return 0;
}
-AVHWAccel h264_vaapi_hwaccel = {
+AVHWAccel ff_h264_vaapi_hwaccel = {
.name = "h264_vaapi",
- .type = CODEC_TYPE_VIDEO,
- .id = CODEC_ID_H264,
- .pix_fmt = PIX_FMT_VAAPI_VLD,
- .capabilities = 0,
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_H264,
+ .pix_fmt = AV_PIX_FMT_VAAPI_VLD,
.start_frame = start_frame,
.end_frame = end_frame,
.decode_slice = decode_slice,
- .priv_data_size = 0,
};