X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fencode.c;h=d81b32b98382ee7731d6bb5312464c98a3eef610;hb=fd3ee7a92e9227ee44e2a0d837ba9879959b15d7;hp=0ebd8dd6a55ea99bf7a4012df918a4e9ca537cbe;hpb=c9ed7f002492c7901f8638d8765bf4532dc2900a;p=ffmpeg

diff --git a/libavcodec/encode.c b/libavcodec/encode.c
index 0ebd8dd6a55..d81b32b9838 100644
--- a/libavcodec/encode.c
+++ b/libavcodec/encode.c
@@ -174,8 +174,14 @@ int attribute_align_arg avcodec_encode_audio2(AVCodecContext *avctx,
                 goto end;
             }
         } else if (!(avctx->codec->capabilities & AV_CODEC_CAP_VARIABLE_FRAME_SIZE)) {
-            if (frame->nb_samples < avctx->frame_size &&
-                !avctx->internal->last_audio_frame) {
+            /* if we already got an undersized frame, that must have been the last */
+            if (avctx->internal->last_audio_frame) {
+                av_log(avctx, AV_LOG_ERROR, "frame_size (%d) was not respected for a non-last frame (avcodec_encode_audio2)\n", avctx->frame_size);
+                ret = AVERROR(EINVAL);
+                goto end;
+            }
+
+            if (frame->nb_samples < avctx->frame_size) {
                 ret = pad_last_frame(avctx, &padded_frame, frame);
                 if (ret < 0)
                     goto end;
@@ -234,8 +240,8 @@ int attribute_align_arg avcodec_encode_audio2(AVCodecContext *avctx,
             if (ret >= 0)
                 avpkt->data = avpkt->buf->data;
         }
-
-        avctx->frame_number++;
+        if (frame)
+            avctx->frame_number++;
     }
 
     if (ret < 0 || !*got_packet_ptr) {
@@ -329,7 +335,8 @@ int attribute_align_arg avcodec_encode_video2(AVCodecContext *avctx,
                 avpkt->data = avpkt->buf->data;
         }
 
-        avctx->frame_number++;
+        if (frame)
+            avctx->frame_number++;
     }
 
     if (ret < 0 || !*got_packet_ptr)