avformat/aviobuf: End grace period of allowing 0 from read_packet

[ffmpeg] / libswresample / swresample.c

diff --git a/libswresample/swresample.c b/libswresample/swresample.c
index 5bd39caac4dfe23079593b838ddae3e0616155b6..a7bb69dd4fd4af628d34738e5a541ca2269e2a28 100644 (file)
--- a/libswresample/swresample.c
+++ b/libswresample/swresample.c
@@ -46,7 +46,7 @@ const char *swresample_configuration(void)
 const char *swresample_license(void)
 {
 #define LICENSE_PREFIX "libswresample license: "
-    return LICENSE_PREFIX FFMPEG_LICENSE + sizeof(LICENSE_PREFIX) - 1;
+    return &LICENSE_PREFIX FFMPEG_LICENSE[sizeof(LICENSE_PREFIX) - 1];
 }
 
 int swr_set_channel_mapping(struct SwrContext *s, const int *channel_map){
@@ -164,6 +164,14 @@ av_cold int swr_init(struct SwrContext *s){
         return AVERROR(EINVAL);
     }
 
+    if(s-> in_sample_rate <= 0){
+        av_log(s, AV_LOG_ERROR, "Requested input sample rate %d is invalid\n", s->in_sample_rate);
+        return AVERROR(EINVAL);
+    }
+    if(s->out_sample_rate <= 0){
+        av_log(s, AV_LOG_ERROR, "Requested output sample rate %d is invalid\n", s->out_sample_rate);
+        return AVERROR(EINVAL);
+    }
     s->out.ch_count  = s-> user_out_ch_count;
     s-> in.ch_count  = s->  user_in_ch_count;
     s->used_ch_count = s->user_used_ch_count;
@@ -318,7 +326,7 @@ av_cold int swr_init(struct SwrContext *s){
 
 av_assert0(s->used_ch_count);
 av_assert0(s->out.ch_count);
-    s->resample_first= RSC*s->out.ch_count/s->in.ch_count - RSC < s->out_sample_rate/(float)s-> in_sample_rate - 1.0;
+    s->resample_first= RSC*s->out.ch_count/s->used_ch_count - RSC < s->out_sample_rate/(float)s-> in_sample_rate - 1.0;
 
     s->in_buffer= s->in;
     s->silence  = s->in;