[FFmpeg-devel] [PATCH 04/57] avcodec/mpegvideo: Set dct_unquantize earlier
Andreas Rheinhardt
andreas.rheinhardt at outlook.com
Wed Jun 12 16:48:00 EEST 2024
Set them in ff_mpv_idct_init() so that they are already set
in ff_mpv_decode_init(). This is in preparation for avoiding
to set dct_unquantize in every ff_mpv_frame_start().
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>
---
libavcodec/mpegvideo.c | 54 +++++++++++++++++++++---------------------
1 file changed, 27 insertions(+), 27 deletions(-)
diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
index bbee9a5f61..27f7ebf933 100644
--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -273,7 +273,7 @@ static void gray8(uint8_t *dst, const uint8_t *src, ptrdiff_t linesize, int h)
}
/* init common dct for both encoder and decoder */
-static av_cold void dct_init(MpegEncContext *s)
+static av_cold void dsp_init(MpegEncContext *s)
{
ff_blockdsp_init(&s->bdsp);
ff_hpeldsp_init(&s->hdsp, s->avctx->flags);
@@ -291,31 +291,6 @@ static av_cold void dct_init(MpegEncContext *s)
s->hdsp.put_no_rnd_pixels_tab[1][i] = gray8;
}
}
-
- s->dct_unquantize_h263_intra = dct_unquantize_h263_intra_c;
- s->dct_unquantize_h263_inter = dct_unquantize_h263_inter_c;
- s->dct_unquantize_mpeg1_intra = dct_unquantize_mpeg1_intra_c;
- s->dct_unquantize_mpeg1_inter = dct_unquantize_mpeg1_inter_c;
- s->dct_unquantize_mpeg2_intra = dct_unquantize_mpeg2_intra_c;
- if (s->avctx->flags & AV_CODEC_FLAG_BITEXACT)
- s->dct_unquantize_mpeg2_intra = dct_unquantize_mpeg2_intra_bitexact;
- s->dct_unquantize_mpeg2_inter = dct_unquantize_mpeg2_inter_c;
-
-#if HAVE_INTRINSICS_NEON
- ff_mpv_common_init_neon(s);
-#endif
-
-#if ARCH_ALPHA
- ff_mpv_common_init_axp(s);
-#elif ARCH_ARM
- ff_mpv_common_init_arm(s);
-#elif ARCH_PPC
- ff_mpv_common_init_ppc(s);
-#elif ARCH_X86
- ff_mpv_common_init_x86(s);
-#elif ARCH_MIPS
- ff_mpv_common_init_mips(s);
-#endif
}
av_cold void ff_init_scantable(const uint8_t *permutation, ScanTable *st,
@@ -359,6 +334,31 @@ av_cold void ff_mpv_idct_init(MpegEncContext *s)
s->idsp.idct_permutation);
ff_permute_scantable(s->permutated_intra_v_scantable, ff_alternate_vertical_scan,
s->idsp.idct_permutation);
+
+ s->dct_unquantize_h263_intra = dct_unquantize_h263_intra_c;
+ s->dct_unquantize_h263_inter = dct_unquantize_h263_inter_c;
+ s->dct_unquantize_mpeg1_intra = dct_unquantize_mpeg1_intra_c;
+ s->dct_unquantize_mpeg1_inter = dct_unquantize_mpeg1_inter_c;
+ s->dct_unquantize_mpeg2_intra = dct_unquantize_mpeg2_intra_c;
+ if (s->avctx->flags & AV_CODEC_FLAG_BITEXACT)
+ s->dct_unquantize_mpeg2_intra = dct_unquantize_mpeg2_intra_bitexact;
+ s->dct_unquantize_mpeg2_inter = dct_unquantize_mpeg2_inter_c;
+
+#if HAVE_INTRINSICS_NEON
+ ff_mpv_common_init_neon(s);
+#endif
+
+#if ARCH_ALPHA
+ ff_mpv_common_init_axp(s);
+#elif ARCH_ARM
+ ff_mpv_common_init_arm(s);
+#elif ARCH_PPC
+ ff_mpv_common_init_ppc(s);
+#elif ARCH_X86
+ ff_mpv_common_init_x86(s);
+#elif ARCH_MIPS
+ ff_mpv_common_init_mips(s);
+#endif
}
static int init_duplicate_context(MpegEncContext *s)
@@ -718,7 +718,7 @@ av_cold int ff_mpv_common_init(MpegEncContext *s)
av_image_check_size(s->width, s->height, 0, s->avctx))
return AVERROR(EINVAL);
- dct_init(s);
+ dsp_init(s);
/* set chroma shifts */
ret = av_pix_fmt_get_chroma_sub_sample(s->avctx->pix_fmt,
--
2.40.1
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