avcodec: Constify AVCodecs

[ffmpeg] / libavcodec / roqaudioenc.c

diff --git a/libavcodec/roqaudioenc.c b/libavcodec/roqaudioenc.c
index 5154604be8fd382ca387f2848e624465da2fbb34..9a636179b1c9f0a6906b8d8af0d17d607f188cef 100644 (file)
--- a/libavcodec/roqaudioenc.c
+++ b/libavcodec/roqaudioenc.c
@@ -53,7 +53,6 @@ static av_cold int roq_dpcm_encode_close(AVCodecContext *avctx)
 static av_cold int roq_dpcm_encode_init(AVCodecContext *avctx)
 {
     ROQDPCMContext *context = avctx->priv_data;
-    int ret;
 
     if (avctx->channels > 2) {
         av_log(avctx, AV_LOG_ERROR, "Audio must be mono or stereo\n");
@@ -70,17 +69,12 @@ static av_cold int roq_dpcm_encode_init(AVCodecContext *avctx)
 
     context->frame_buffer = av_malloc(8 * ROQ_FRAME_SIZE * avctx->channels *
                                       sizeof(*context->frame_buffer));
-    if (!context->frame_buffer) {
-        ret = AVERROR(ENOMEM);
-        goto error;
-    }
+    if (!context->frame_buffer)
+        return AVERROR(ENOMEM);
 
     context->lastSample[0] = context->lastSample[1] = 0;
 
     return 0;
-error:
-    roq_dpcm_encode_close(avctx);
-    return ret;
 }
 
 static unsigned char dpcm_predict(short *previous, short current)
@@ -189,7 +183,7 @@ static int roq_dpcm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
     return 0;
 }
 
-AVCodec ff_roq_dpcm_encoder = {
+const AVCodec ff_roq_dpcm_encoder = {
     .name           = "roq_dpcm",
     .long_name      = NULL_IF_CONFIG_SMALL("id RoQ DPCM"),
     .type           = AVMEDIA_TYPE_AUDIO,