[FFmpeg-devel] [PATCH 1/2] avfilter/vf_framerate: calculate interpolation as integer
Marton Balint
cus at passwd.hu
Sun Dec 24 00:17:38 EET 2017
It was truncated to int later on anyway. Fate test changes are due to rounding
instead of truncation.
Signed-off-by: Marton Balint <cus at passwd.hu>
---
libavfilter/vf_framerate.c | 22 +++++++++-------
tests/ref/fate/filter-framerate-12bit-down | 40 +++++++++++++++---------------
tests/ref/fate/filter-framerate-12bit-up | 40 +++++++++++++++---------------
tests/ref/fate/filter-framerate-up | 4 +--
4 files changed, 55 insertions(+), 51 deletions(-)
diff --git a/libavfilter/vf_framerate.c b/libavfilter/vf_framerate.c
index 1336ea0469..38f45a8033 100644
--- a/libavfilter/vf_framerate.c
+++ b/libavfilter/vf_framerate.c
@@ -47,8 +47,10 @@ typedef struct FrameRateContext {
AVRational dest_frame_rate; ///< output frames per second
int flags; ///< flags affecting frame rate conversion algorithm
double scene_score; ///< score that denotes a scene change has happened
- int interp_start; ///< start of range to apply linear interpolation
- int interp_end; ///< end of range to apply linear interpolation
+ int interp_start; ///< start of range to apply linear interpolation (same bitdepth as input)
+ int interp_end; ///< end of range to apply linear interpolation (same bitdepth as input)
+ int interp_start_param; ///< start of range to apply linear interpolation
+ int interp_end_param; ///< end of range to apply linear interpolation
int line_size[4]; ///< bytes of pixel data per line for each plane
int vsub;
@@ -87,8 +89,8 @@ typedef struct FrameRateContext {
static const AVOption framerate_options[] = {
{"fps", "required output frames per second rate", OFFSET(dest_frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str="50"}, 0, INT_MAX, V|F },
- {"interp_start", "point to start linear interpolation", OFFSET(interp_start), AV_OPT_TYPE_INT, {.i64=15}, 0, 255, V|F },
- {"interp_end", "point to end linear interpolation", OFFSET(interp_end), AV_OPT_TYPE_INT, {.i64=240}, 0, 255, V|F },
+ {"interp_start", "point to start linear interpolation", OFFSET(interp_start_param),AV_OPT_TYPE_INT, {.i64=15}, 0, 255, V|F },
+ {"interp_end", "point to end linear interpolation", OFFSET(interp_end_param), AV_OPT_TYPE_INT, {.i64=240}, 0, 255, V|F },
{"scene", "scene change level", OFFSET(scene_score), AV_OPT_TYPE_DOUBLE, {.dbl=8.2}, 0, INT_MAX, V|F },
{"flags", "set flags", OFFSET(flags), AV_OPT_TYPE_FLAGS, {.i64=1}, 0, INT_MAX, V|F, "flags" },
@@ -305,7 +307,7 @@ static int filter_slice16(AVFilterContext *ctx, void *arg, int job, int nb_jobs)
return 0;
}
-static int blend_frames(AVFilterContext *ctx, float interpolate,
+static int blend_frames(AVFilterContext *ctx, int interpolate,
int src1, int src2)
{
FrameRateContext *s = ctx->priv;
@@ -326,7 +328,7 @@ static int blend_frames(AVFilterContext *ctx, float interpolate,
ThreadData td;
td.copy_src1 = s->srce[src1];
td.copy_src2 = s->srce[src2];
- td.src2_factor = fabsf(interpolate) * (1 << (s->bitdepth - 8));
+ td.src2_factor = FFABS(interpolate);
td.src1_factor = s->max - td.src2_factor;
// get work-space for output frame
@@ -347,7 +349,7 @@ static int process_work_frame(AVFilterContext *ctx, int stop)
{
FrameRateContext *s = ctx->priv;
int64_t work_next_pts;
- float interpolate;
+ int interpolate;
int src1, src2;
ff_dlog(ctx, "process_work_frame()\n");
@@ -390,8 +392,8 @@ static int process_work_frame(AVFilterContext *ctx, int stop)
}
// calculate interpolation
- interpolate = ((s->pts - s->srce_pts_dest[s->crnt]) * 256.0 / s->average_srce_pts_dest_delta);
- ff_dlog(ctx, "process_work_frame() interpolate:%f/256\n", interpolate);
+ interpolate = av_rescale(s->pts - s->srce_pts_dest[s->crnt], s->max, s->average_srce_pts_dest_delta);
+ ff_dlog(ctx, "process_work_frame() interpolate:%d/%d\n", interpolate, s->max);
src1 = s->crnt;
if (interpolate > s->interp_end) {
ff_dlog(ctx, "process_work_frame() source is:NEXT\n");
@@ -572,6 +574,8 @@ static int config_input(AVFilterLink *inlink)
s->bitdepth = pix_desc->comp[0].depth;
s->vsub = pix_desc->log2_chroma_h;
+ s->interp_start = s->interp_start_param << (s->bitdepth - 8);
+ s->interp_end = s->interp_end_param << (s->bitdepth - 8);
s->sad = av_pixelutils_get_sad_fn(3, 3, 2, s); // 8x8 both sources aligned
if (!s->sad)
diff --git a/tests/ref/fate/filter-framerate-12bit-down b/tests/ref/fate/filter-framerate-12bit-down
index 0a9aea0ce1..49dcb1e5fa 100644
--- a/tests/ref/fate/filter-framerate-12bit-down
+++ b/tests/ref/fate/filter-framerate-12bit-down
@@ -6,50 +6,50 @@
0, 0, 0, 1, 307200, 0xb49cf016
0, 1, 1, 1, 307200, 0xc3be6971
0, 2, 2, 1, 307200, 0x4d458da1
-0, 3, 3, 1, 307200, 0x35d4d8ea
-0, 4, 4, 1, 307200, 0x88f88697
+0, 3, 3, 1, 307200, 0xb49ed940
+0, 4, 4, 1, 307200, 0x1577849f
0, 5, 5, 1, 307200, 0xaf71e7fc
0, 6, 6, 1, 307200, 0x1290a487
0, 7, 7, 1, 307200, 0xaf0cf5ee
-0, 8, 8, 1, 307200, 0x9fe73a9b
-0, 9, 9, 1, 307200, 0xb7965b77
+0, 8, 8, 1, 307200, 0x6ffb3abb
+0, 9, 9, 1, 307200, 0x9e65597e
0, 10, 10, 1, 307200, 0x9f84df5d
0, 11, 11, 1, 307200, 0xf60b8c87
0, 12, 12, 1, 307200, 0xe2eac3a7
-0, 13, 13, 1, 307200, 0xefbbc67a
-0, 14, 14, 1, 307200, 0xb293001a
+0, 13, 13, 1, 307200, 0x2c4ac771
+0, 14, 14, 1, 307200, 0xf4d9003d
0, 15, 15, 1, 307200, 0xab2162fc
0, 16, 16, 1, 307200, 0xdc90848a
0, 17, 17, 1, 307200, 0x29f79f4b
-0, 18, 18, 1, 307200, 0x62aee029
-0, 19, 19, 1, 307200, 0xcb6de0e9
+0, 18, 18, 1, 307200, 0x45b1e01b
+0, 19, 19, 1, 307200, 0x43baddc2
0, 20, 20, 1, 307200, 0xf2b12fe5
0, 21, 21, 1, 307200, 0x1de67e13
0, 22, 22, 1, 307200, 0xfc1f7774
-0, 23, 23, 1, 307200, 0x707fe832
-0, 24, 24, 1, 307200, 0xe2dc0742
+0, 23, 23, 1, 307200, 0x5552e7f2
+0, 24, 24, 1, 307200, 0xb1d60366
0, 25, 25, 1, 307200, 0x4693ab03
0, 26, 26, 1, 307200, 0x7295ef7a
0, 27, 27, 1, 307200, 0xf442a5df
-0, 28, 28, 1, 307200, 0x3019dbbc
-0, 29, 29, 1, 307200, 0xd82a394d
+0, 28, 28, 1, 307200, 0x01e0dbb8
+0, 29, 29, 1, 307200, 0xf10c3549
0, 30, 30, 1, 307200, 0x8a512668
0, 31, 31, 1, 307200, 0x69e7b43e
0, 32, 32, 1, 307200, 0x6c5343ca
-0, 33, 33, 1, 307200, 0x8aac4531
-0, 34, 34, 1, 307200, 0x4b7f5b63
+0, 33, 33, 1, 307200, 0xf323456c
+0, 34, 34, 1, 307200, 0xeead5632
0, 35, 35, 1, 307200, 0x4e24d659
0, 36, 36, 1, 307200, 0x7a25b546
0, 37, 37, 1, 307200, 0x9b7e8e8f
-0, 38, 38, 1, 307200, 0x94ec9d3d
-0, 39, 39, 1, 307200, 0x856ea560
+0, 38, 38, 1, 307200, 0x9d059d4c
+0, 39, 39, 1, 307200, 0x21c4a16f
0, 40, 40, 1, 307200, 0xb6505ff0
0, 41, 41, 1, 307200, 0x12562a42
0, 42, 42, 1, 307200, 0x3335e451
-0, 43, 43, 1, 307200, 0x7f0374c9
-0, 44, 44, 1, 307200, 0x487e798a
+0, 43, 43, 1, 307200, 0x6f1274cf
+0, 44, 44, 1, 307200, 0xa52e71d2
0, 45, 45, 1, 307200, 0x4fda2634
0, 46, 46, 1, 307200, 0x5b48d624
0, 47, 47, 1, 307200, 0xa9505af8
-0, 48, 48, 1, 307200, 0xce7248b5
-0, 49, 49, 1, 307200, 0x8fbc1bec
+0, 48, 48, 1, 307200, 0xc2624880
+0, 49, 49, 1, 307200, 0x4eb317a5
diff --git a/tests/ref/fate/filter-framerate-12bit-up b/tests/ref/fate/filter-framerate-12bit-up
index 8f5f95b275..686fe8e82b 100644
--- a/tests/ref/fate/filter-framerate-12bit-up
+++ b/tests/ref/fate/filter-framerate-12bit-up
@@ -4,61 +4,61 @@
#dimensions 0: 320x240
#sar 0: 1/1
0, 0, 0, 1, 307200, 0xb49cf016
-0, 1, 1, 1, 307200, 0x59cb92c7
+0, 1, 1, 1, 307200, 0xbe4390ed
0, 2, 2, 1, 307200, 0xe4ca172c
0, 3, 3, 1, 307200, 0x5378b13c
-0, 4, 4, 1, 307200, 0x2a7d4840
+0, 4, 4, 1, 307200, 0xe742454c
0, 5, 5, 1, 307200, 0x68f620cd
0, 6, 6, 1, 307200, 0x83dbe321
-0, 7, 7, 1, 307200, 0xcd73c6ab
+0, 7, 7, 1, 307200, 0x7135c77d
0, 8, 8, 1, 307200, 0xc69a864a
0, 9, 9, 1, 307200, 0xc5c8b0f8
-0, 10, 10, 1, 307200, 0xf08a6033
+0, 10, 10, 1, 307200, 0xf6ee5d1c
0, 11, 11, 1, 307200, 0xab36763c
0, 12, 12, 1, 307200, 0xcba4c6bb
-0, 13, 13, 1, 307200, 0x8dabc7b5
+0, 13, 13, 1, 307200, 0xb379c679
0, 14, 14, 1, 307200, 0x63339757
0, 15, 15, 1, 307200, 0x4bdfd3ca
-0, 16, 16, 1, 307200, 0x699c9c83
+0, 16, 16, 1, 307200, 0x14e09691
0, 17, 17, 1, 307200, 0x5dc7c711
0, 18, 18, 1, 307200, 0xda8c6c41
-0, 19, 19, 1, 307200, 0xeb4ac99c
+0, 19, 19, 1, 307200, 0xe187c6b6
0, 20, 20, 1, 307200, 0x5d8b76ab
0, 21, 21, 1, 307200, 0xe2337c57
-0, 22, 22, 1, 307200, 0x84531dcf
+0, 22, 22, 1, 307200, 0x492117d7
0, 23, 23, 1, 307200, 0xf0df5ea3
0, 24, 24, 1, 307200, 0x4237e892
-0, 25, 25, 1, 307200, 0xc111a9eb
+0, 25, 25, 1, 307200, 0x4f61a7d7
0, 26, 26, 1, 307200, 0x2ba55745
0, 27, 27, 1, 307200, 0x0e058165
-0, 28, 28, 1, 307200, 0xd184f860
+0, 28, 28, 1, 307200, 0xe371f352
0, 29, 29, 1, 307200, 0xab562bfe
0, 30, 30, 1, 307200, 0x0b58bcf7
-0, 31, 31, 1, 307200, 0x044f4a16
+0, 31, 31, 1, 307200, 0xf1a04a1e
0, 32, 32, 1, 307200, 0xb466f1d6
0, 33, 33, 1, 307200, 0x3ed6b5d8
-0, 34, 34, 1, 307200, 0xb8b82049
+0, 34, 34, 1, 307200, 0x05091a43
0, 35, 35, 1, 307200, 0xbfb20efc
0, 36, 36, 1, 307200, 0xbd67248a
-0, 37, 37, 1, 307200, 0x76e11928
+0, 37, 37, 1, 307200, 0x58001b29
0, 38, 38, 1, 307200, 0x6ec5bbb1
0, 39, 39, 1, 307200, 0x0e4455cd
-0, 40, 40, 1, 307200, 0x5ccf33fb
+0, 40, 40, 1, 307200, 0x5c2c3213
0, 41, 41, 1, 307200, 0x976f6900
0, 42, 42, 1, 307200, 0x58adad3f
-0, 43, 43, 1, 307200, 0x1f791403
+0, 43, 43, 1, 307200, 0x8dbb14f0
0, 44, 44, 1, 307200, 0x49163226
0, 45, 45, 1, 307200, 0xaac8e1ca
-0, 46, 46, 1, 307200, 0x7fe784f7
+0, 46, 46, 1, 307200, 0x07cc8404
0, 47, 47, 1, 307200, 0xbf85c994
0, 48, 48, 1, 307200, 0x22ed5b5a
-0, 49, 49, 1, 307200, 0xdbeee1f3
+0, 49, 49, 1, 307200, 0x1bf7df1e
0, 50, 50, 1, 307200, 0x3a21b4d2
0, 51, 51, 1, 307200, 0xbd5edb2d
-0, 52, 52, 1, 307200, 0xc66d8b27
+0, 52, 52, 1, 307200, 0x336a8437
0, 53, 53, 1, 307200, 0x02c7e528
0, 54, 54, 1, 307200, 0xba073e6f
-0, 55, 55, 1, 307200, 0xf745ded7
+0, 55, 55, 1, 307200, 0x9e25ddfe
0, 56, 56, 1, 307200, 0x8cf55128
0, 57, 57, 1, 307200, 0x4e740b42
-0, 58, 58, 1, 307200, 0x7906723a
+0, 58, 58, 1, 307200, 0x8e7e705c
diff --git a/tests/ref/fate/filter-framerate-up b/tests/ref/fate/filter-framerate-up
index b2af9cb879..15bf6d815b 100644
--- a/tests/ref/fate/filter-framerate-up
+++ b/tests/ref/fate/filter-framerate-up
@@ -6,10 +6,10 @@
0, 0, 0, 1, 115200, 0x3744b3ed
0, 1, 1, 1, 115200, 0xc44bdc65
0, 2, 2, 1, 115200, 0xa17f0d74
-0, 3, 3, 1, 115200, 0xb0c83274
+0, 3, 3, 1, 115200, 0xd72532a9
0, 4, 4, 1, 115200, 0x232d6368
0, 5, 5, 1, 115200, 0x6e318ba0
0, 6, 6, 1, 115200, 0x247e846e
0, 7, 7, 1, 115200, 0x89e27599
-0, 8, 8, 1, 115200, 0x31c5704e
+0, 8, 8, 1, 115200, 0x68536eac
0, 9, 9, 1, 115200, 0x97e45fec
--
2.13.6
More information about the ffmpeg-devel
mailing list