avcodec/mpeg4videodec: use av_fast_padded_malloc() for bitstream buffer

[ffmpeg] / libavresample / audio_mix.c

diff --git a/libavresample/audio_mix.c b/libavresample/audio_mix.c
index 878e5a9339dde6d5d6dd252ec6e0ec8767772ed8..989891d0f62e8754123eda70f600cac80fed2b3e 100644 (file)
--- a/libavresample/audio_mix.c
+++ b/libavresample/audio_mix.c
@@ -559,9 +559,12 @@ static void reduce_matrix(AudioMix *am, const double *matrix, int stride)
         if (zero) {
             am->output_zero[o] = 1;
             am->out_matrix_channels--;
+            if (o < am->in_channels)
+                am->in_matrix_channels--;
         }
     }
-    if (am->out_matrix_channels == 0) {
+    if (am->out_matrix_channels == 0 || am->in_matrix_channels == 0) {
+        am->out_matrix_channels = 0;
         am->in_matrix_channels = 0;
         return;
     }
@@ -683,7 +686,7 @@ int ff_audio_mix_set_matrix(AudioMix *am, const double *matrix, int stride)
                                      am->in_matrix_channels;                \
         for (i = 0, i0 = 0; i < am->in_channels; i++) {                     \
             double v;                                                       \
-            if (am->input_skip[i])                                          \
+            if (am->input_skip[i] || am->output_zero[i])                    \
                 continue;                                                   \
             v = matrix[o * stride + i];                                     \
             am->matrix_## type[o0][i0] = expr;                              \
@@ -726,7 +729,7 @@ int ff_audio_mix_set_matrix(AudioMix *am, const double *matrix, int stride)
         for (i = 0; i < am->in_channels; i++) {
             if (am->output_zero[o])
                 av_log(am->avr, AV_LOG_DEBUG, "  (ZERO)");
-            else if (am->input_skip[i] || am->output_skip[o])
+            else if (am->input_skip[i] || am->output_zero[i] || am->output_skip[o])
                 av_log(am->avr, AV_LOG_DEBUG, "  (SKIP)");
             else
                 av_log(am->avr, AV_LOG_DEBUG, "  %0.3f ",