check validity of pointer srcC

[ffmpeg] / libavcodec / libgsm.c

diff --git a/libavcodec/libgsm.c b/libavcodec/libgsm.c
index ef2f5e759aae2de43f821a0e17190d5d043d4f21..e036afd3c4533dbf769b8cf770ab7449585025ee 100644 (file)
--- a/libavcodec/libgsm.c
+++ b/libavcodec/libgsm.c
@@ -21,7 +21,7 @@
  */
 
 /**
- * @file libgsm.c
+ * @file libavcodec/libgsm.c
  * Interface to libgsm for gsm encoding/decoding
  */
 
@@ -48,6 +48,8 @@ static av_cold int libgsm_init(AVCodecContext *avctx) {
 
         if(!avctx->sample_rate)
             avctx->sample_rate= 8000;
+
+        avctx->sample_fmt = SAMPLE_FMT_S16;
     }else{
         if (avctx->sample_rate != 8000) {
             av_log(avctx, AV_LOG_ERROR, "Sample rate 8000Hz required for GSM, got %dHz\n",
@@ -87,6 +89,7 @@ static av_cold int libgsm_init(AVCodecContext *avctx) {
 }
 
 static av_cold int libgsm_close(AVCodecContext *avctx) {
+    av_freep(&avctx->coded_frame);
     gsm_destroy(avctx->priv_data);
     avctx->priv_data = NULL;
     return 0;
@@ -117,6 +120,7 @@ AVCodec libgsm_encoder = {
     libgsm_init,
     libgsm_encode_frame,
     libgsm_close,
+    .sample_fmts = (enum SampleFormat[]){SAMPLE_FMT_S16,SAMPLE_FMT_NONE},
     .long_name = NULL_IF_CONFIG_SMALL("libgsm GSM"),
 };
 
@@ -128,6 +132,7 @@ AVCodec libgsm_ms_encoder = {
     libgsm_init,
     libgsm_encode_frame,
     libgsm_close,
+    .sample_fmts = (enum SampleFormat[]){SAMPLE_FMT_S16,SAMPLE_FMT_NONE},
     .long_name = NULL_IF_CONFIG_SMALL("libgsm GSM Microsoft variant"),
 };