avfilter: Remove deprecated avfilter_link_get_channels

[ffmpeg] / libavfilter / af_surround.c

diff --git a/libavfilter/af_surround.c b/libavfilter/af_surround.c
index bae13322bb83b44c4dfac0a58dcd22673fe8e599..d18b3146e7e5c6cc3ff8daa9104612af6f51c22f 100644 (file)
--- a/libavfilter/af_surround.c
+++ b/libavfilter/af_surround.c
@@ -18,6 +18,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include "libavutil/avassert.h"
 #include "libavutil/audio_fifo.h"
 #include "libavutil/channel_layout.h"
 #include "libavutil/opt.h"
@@ -174,7 +175,7 @@ static int query_formats(AVFilterContext *ctx)
     if (ret)
         return ret;
 
-    ret = ff_channel_layouts_ref(layouts, &ctx->outputs[0]->in_channel_layouts);
+    ret = ff_channel_layouts_ref(layouts, &ctx->outputs[0]->incfg.channel_layouts);
     if (ret)
         return ret;
 
@@ -183,7 +184,7 @@ static int query_formats(AVFilterContext *ctx)
     if (ret)
         return ret;
 
-    ret = ff_channel_layouts_ref(layouts, &ctx->inputs[0]->out_channel_layouts);
+    ret = ff_channel_layouts_ref(layouts, &ctx->inputs[0]->outcfg.channel_layouts);
     if (ret)
         return ret;
 
@@ -335,7 +336,9 @@ static void stereo_transform(float *x, float *y, float angle)
 
 static void stereo_position(float a, float p, float *x, float *y)
 {
-    *x = av_clipf(a+FFMAX(0, sinf(p-M_PI_2))*FFDIFFSIGN(a,0), -1, 1);
+    av_assert2(a >= -1.f && a <= 1.f);
+    av_assert2(p >= 0.f && p <= M_PI);
+    *x = av_clipf(a+a*FFMAX(0, p*p-M_PI_2), -1, 1);
     *y = av_clipf(cosf(a*M_PI_2+M_PI)*cosf(M_PI_2-p/M_PI)*M_LN10+1, -1, 1);
 }
 
@@ -1109,7 +1112,7 @@ static void filter_stereo(AVFilterContext *ctx)
         float r_phase = atan2f(r_im, r_re);
         float phase_dif = fabsf(l_phase - r_phase);
         float mag_sum = l_mag + r_mag;
-        float mag_dif = mag_sum < 0.000001 ? 0.f : (l_mag - r_mag) / mag_sum;
+        float mag_dif = mag_sum < 0.000001 ? FFDIFFSIGN(l_mag, r_mag) : (l_mag - r_mag) / mag_sum;
         float mag_total = hypotf(l_mag, r_mag);
         float x, y;
 
@@ -1145,7 +1148,7 @@ static void filter_surround(AVFilterContext *ctx)
         float r_phase = atan2f(r_im, r_re);
         float phase_dif = fabsf(l_phase - r_phase);
         float mag_sum = l_mag + r_mag;
-        float mag_dif = mag_sum < 0.000001 ? 0.f : (l_mag - r_mag) / mag_sum;
+        float mag_dif = mag_sum < 0.000001 ? FFDIFFSIGN(l_mag, r_mag) : (l_mag - r_mag) / mag_sum;
         float mag_total = hypotf(l_mag, r_mag);
         float x, y;
 
@@ -1180,7 +1183,7 @@ static void filter_2_1(AVFilterContext *ctx)
         float r_phase = atan2f(r_im, r_re);
         float phase_dif = fabsf(l_phase - r_phase);
         float mag_sum = l_mag + r_mag;
-        float mag_dif = mag_sum < 0.000001 ? 0.f : (l_mag - r_mag) / mag_sum;
+        float mag_dif = mag_sum < 0.000001 ? FFDIFFSIGN(l_mag, r_mag) : (l_mag - r_mag) / mag_sum;
         float mag_total = hypotf(l_mag, r_mag);
         float x, y;
 
@@ -1224,8 +1227,8 @@ static void filter_5_0_side(AVFilterContext *ctx)
         float phase_difr = fabsf(fr_phase - sr_phase);
         float magl_sum = fl_mag + sl_mag;
         float magr_sum = fr_mag + sr_mag;
-        float mag_difl = magl_sum < 0.000001 ? 0.f : (fl_mag - sl_mag) / magl_sum;
-        float mag_difr = magr_sum < 0.000001 ? 0.f : (fr_mag - sr_mag) / magr_sum;
+        float mag_difl = magl_sum < 0.000001 ? FFDIFFSIGN(fl_mag, sl_mag) : (fl_mag - sl_mag) / magl_sum;
+        float mag_difr = magr_sum < 0.000001 ? FFDIFFSIGN(fr_mag, sr_mag) : (fr_mag - sr_mag) / magr_sum;
         float mag_totall = hypotf(fl_mag, sl_mag);
         float mag_totalr = hypotf(fr_mag, sr_mag);
         float bl_phase = atan2f(fl_im + sl_im, fl_re + sl_re);
@@ -1283,8 +1286,8 @@ static void filter_5_1_side(AVFilterContext *ctx)
         float phase_difr = fabsf(fr_phase - sr_phase);
         float magl_sum = fl_mag + sl_mag;
         float magr_sum = fr_mag + sr_mag;
-        float mag_difl = magl_sum < 0.000001 ? 0.f : (fl_mag - sl_mag) / magl_sum;
-        float mag_difr = magr_sum < 0.000001 ? 0.f : (fr_mag - sr_mag) / magr_sum;
+        float mag_difl = magl_sum < 0.000001 ? FFDIFFSIGN(fl_mag, sl_mag) : (fl_mag - sl_mag) / magl_sum;
+        float mag_difr = magr_sum < 0.000001 ? FFDIFFSIGN(fr_mag, sr_mag) : (fr_mag - sr_mag) / magr_sum;
         float mag_totall = hypotf(fl_mag, sl_mag);
         float mag_totalr = hypotf(fr_mag, sr_mag);
         float bl_phase = atan2f(fl_im + sl_im, fl_re + sl_re);
@@ -1342,8 +1345,8 @@ static void filter_5_1_back(AVFilterContext *ctx)
         float phase_difr = fabsf(fr_phase - br_phase);
         float magl_sum = fl_mag + bl_mag;
         float magr_sum = fr_mag + br_mag;
-        float mag_difl = magl_sum < 0.000001 ? 0.f : (fl_mag - bl_mag) / magl_sum;
-        float mag_difr = magr_sum < 0.000001 ? 0.f : (fr_mag - br_mag) / magr_sum;
+        float mag_difl = magl_sum < 0.000001 ? FFDIFFSIGN(fl_mag, bl_mag) : (fl_mag - bl_mag) / magl_sum;
+        float mag_difr = magr_sum < 0.000001 ? FFDIFFSIGN(fr_mag, br_mag) : (fr_mag - br_mag) / magr_sum;
         float mag_totall = hypotf(fl_mag, bl_mag);
         float mag_totalr = hypotf(fr_mag, br_mag);
         float sl_phase = atan2f(fl_im + bl_im, fl_re + bl_re);
@@ -1369,7 +1372,7 @@ static void filter_5_1_back(AVFilterContext *ctx)
     }
 }
 
-static int init(AVFilterContext *ctx)
+static av_cold int init(AVFilterContext *ctx)
 {
     AudioSurroundContext *s = ctx->priv;
     float overlap;