swresample/x86/rematrix_init: Check av_malloc* return codes, forward errors

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libswresample/rematrix.c

@@ -415,7 +415,8 @@ av_cold int swri_rematrix_init(SwrContext *s){
         s->matrix_ch[i][0]= ch_in;
     }
 
-    if(HAVE_YASM && HAVE_MMX) swri_rematrix_init_x86(s);
+    if(HAVE_YASM && HAVE_MMX)
+        return swri_rematrix_init_x86(s);
 
     return 0;
 }

libswresample/swresample_internal.h

@@ -183,7 +183,7 @@ void swri_noise_shaping_double(SwrContext *s, AudioData *dsts, const AudioData *
 int swri_rematrix_init(SwrContext *s);
 void swri_rematrix_free(SwrContext *s);
 int swri_rematrix(SwrContext *s, AudioData *out, AudioData *in, int len, int mustcopy);
-void swri_rematrix_init_x86(struct SwrContext *s);
+int swri_rematrix_init_x86(struct SwrContext *s);
 
 void swri_get_dither(SwrContext *s, void *dst, int len, unsigned seed, enum AVSampleFormat noise_fmt);
 int swri_dither_init(SwrContext *s, enum AVSampleFormat out_fmt, enum AVSampleFormat in_fmt);

libswresample/x86/rematrix_init.c

@@ -30,7 +30,7 @@ D(float, avx)
 D(int16, mmx)
 D(int16, sse2)
 
-av_cold void swri_rematrix_init_x86(struct SwrContext *s){
+av_cold int swri_rematrix_init_x86(struct SwrContext *s){
 #if HAVE_YASM
     int mm_flags = av_get_cpu_flags();
     int nb_in  = av_get_channel_layout_nb_channels(s->in_ch_layout);
@@ -52,6 +52,9 @@ av_cold void swri_rematrix_init_x86(struct SwrContext *s){
         }
         s->native_simd_matrix = av_mallocz_array(num,  2 * sizeof(int16_t));
         s->native_simd_one    = av_mallocz(2 * sizeof(int16_t));
+        if (!s->native_simd_matrix || !s->native_simd_one)
+            return AVERROR(ENOMEM);
+
         for(i=0; i<nb_out; i++){
             int sh = 0;
             for(j=0; j<nb_in; j++)
@@ -75,9 +78,13 @@ av_cold void swri_rematrix_init_x86(struct SwrContext *s){
             s->mix_2_1_simd = ff_mix_2_1_a_float_avx;
         }
         s->native_simd_matrix = av_mallocz_array(num, sizeof(float));
-        memcpy(s->native_simd_matrix, s->native_matrix, num * sizeof(float));
         s->native_simd_one = av_mallocz(sizeof(float));
+        if (!s->native_simd_matrix || !s->native_simd_one)
+            return AVERROR(ENOMEM);
+        memcpy(s->native_simd_matrix, s->native_matrix, num * sizeof(float));
         memcpy(s->native_simd_one, s->native_one, sizeof(float));
     }
 #endif
+
+    return 0;
 }