X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fac3enc.c;h=c903b724d5f8f9a56219eb10988089670b86ceb4;hb=2c07c1804831fa0ae6d494a63fdd10facfd6074b;hp=669be23a0555100fb4909a4cf9423f615c5705ee;hpb=6aeea1dfb2f21de959701ee7dfaab59b4634e570;p=ffmpeg

diff --git a/libavcodec/ac3enc.c b/libavcodec/ac3enc.c
index 669be23a055..c903b724d5f 100644
--- a/libavcodec/ac3enc.c
+++ b/libavcodec/ac3enc.c
@@ -2053,7 +2053,9 @@ av_cold int ff_ac3_encode_close(AVCodecContext *avctx)
 
     s->mdct_end(s);
 
+#if FF_API_OLD_ENCODE_AUDIO
     av_freep(&avctx->coded_frame);
+#endif
     return 0;
 }
 
@@ -2141,6 +2143,17 @@ static av_cold int validate_options(AC3EncodeContext *s)
     s->bit_alloc.sr_code  = i % 3;
     s->bitstream_id       = s->eac3 ? 16 : 8 + s->bit_alloc.sr_shift;
 
+    /* select a default bit rate if not set by the user */
+    if (!avctx->bit_rate) {
+        switch (s->fbw_channels) {
+        case 1: avctx->bit_rate =  96000; break;
+        case 2: avctx->bit_rate = 192000; break;
+        case 3: avctx->bit_rate = 320000; break;
+        case 4: avctx->bit_rate = 384000; break;
+        case 5: avctx->bit_rate = 448000; break;
+        }
+    }
+
     /* validate bit rate */
     if (s->eac3) {
         int max_br, min_br, wpf, min_br_dist, min_br_code;
@@ -2426,6 +2439,7 @@ av_cold int ff_ac3_encode_init(AVCodecContext *avctx)
         return ret;
 
     avctx->frame_size = AC3_BLOCK_SIZE * s->num_blocks;
+    avctx->delay      = AC3_BLOCK_SIZE;
 
     s->bitstream_mode = avctx->audio_service_type;
     if (s->bitstream_mode == AV_AUDIO_SERVICE_TYPE_KARAOKE)
@@ -2471,7 +2485,13 @@ av_cold int ff_ac3_encode_init(AVCodecContext *avctx)
     if (ret)
         goto init_fail;
 
+#if FF_API_OLD_ENCODE_AUDIO
     avctx->coded_frame= avcodec_alloc_frame();
+    if (!avctx->coded_frame) {
+        ret = AVERROR(ENOMEM);
+        goto init_fail;
+    }
+#endif
 
     ff_dsputil_init(&s->dsp, avctx);
     ff_ac3dsp_init(&s->ac3dsp, avctx->flags & CODEC_FLAG_BITEXACT);