build: Allow building old API/ABI libpostproc version

[ffmpeg] / ffplay.c

diff --git a/ffplay.c b/ffplay.c
index 5019fb5dc513f2002db15c98fe145b74217c16ad..babdcb9954f5573487185e03590d9c8050d45176 100644 (file)
--- a/ffplay.c
+++ b/ffplay.c
@@ -2163,6 +2163,7 @@ static void sdl_audio_callback(void *opaque, Uint8 *stream, int len)
     VideoState *is = opaque;
     int audio_size, len1;
     int bytes_per_sec;
+    int frame_size = av_samples_get_buffer_size(NULL, is->audio_tgt_channels, 1, is->audio_tgt_fmt, 1);
     double pts;
 
     audio_callback_time = av_gettime();
@@ -2173,7 +2174,7 @@ static void sdl_audio_callback(void *opaque, Uint8 *stream, int len)
            if (audio_size < 0) {
                 /* if error, just output silence */
                is->audio_buf      = is->silence_buf;
-               is->audio_buf_size = sizeof(is->silence_buf);
+               is->audio_buf_size = sizeof(is->silence_buf) / frame_size * frame_size;
            } else {
                if (is->show_mode != SHOW_MODE_VIDEO)
                    update_sample_display(is, (int16_t *)is->audio_buf, audio_size);
@@ -2265,6 +2266,8 @@ static int stream_component_open(VideoState *is, int stream_index)
         }
     }
 
+    if (!av_dict_get(opts, "threads", NULL, 0))
+        av_dict_set(&opts, "threads", "auto", 0);
     if (!codec ||
         avcodec_open2(avctx, codec, &opts) < 0)
         return -1;
@@ -2768,7 +2771,7 @@ static void stream_cycle_channel(VideoState *is, int codec_type)
 
 static void toggle_full_screen(VideoState *is)
 {
-    int i;
+    av_unused int i;
     is_full_screen = !is_full_screen;
 #if defined(__APPLE__) && SDL_VERSION_ATLEAST(1, 2, 14)
     /* OS X needs to reallocate the SDL overlays */