avcodec: Constify AVCodecs

[ffmpeg] / libavcodec / nellymoserdec.c

diff --git a/libavcodec/nellymoserdec.c b/libavcodec/nellymoserdec.c
index b0deb79cf5d03b596c57851fdc8afa2f39700655..ccfe8817901ed1bd304a8dbbba2cf26b38f34d94 100644 (file)
--- a/libavcodec/nellymoserdec.c
+++ b/libavcodec/nellymoserdec.c
@@ -34,6 +34,7 @@
 #include "libavutil/channel_layout.h"
 #include "libavutil/float_dsp.h"
 #include "libavutil/lfg.h"
+#include "libavutil/mem_internal.h"
 #include "libavutil/random_seed.h"
 
 #define BITSTREAM_READER_LE
@@ -128,13 +129,12 @@ static av_cold int decode_init(AVCodecContext * avctx) {
     s->scale_bias = 1.0/(32768*8);
     avctx->sample_fmt = AV_SAMPLE_FMT_FLT;
 
-    /* Generate overlap window */
-    if (!ff_sine_128[127])
-        ff_init_ff_sine_windows(7);
-
     avctx->channels       = 1;
     avctx->channel_layout = AV_CH_LAYOUT_MONO;
 
+    /* Generate overlap window */
+    ff_init_ff_sine_windows(7);
+
     return 0;
 }
 
@@ -143,7 +143,6 @@ static int decode_tag(AVCodecContext *avctx, void *data,
 {
     AVFrame *frame     = data;
     const uint8_t *buf = avpkt->data;
-    const uint8_t *side=av_packet_get_side_data(avpkt, 'F', NULL);
     int buf_size = avpkt->size;
     NellyMoserDecodeContext *s = avctx->priv_data;
     int blocks, i, ret;
@@ -160,15 +159,6 @@ static int decode_tag(AVCodecContext *avctx, void *data,
         av_log(avctx, AV_LOG_WARNING, "Leftover bytes: %d.\n",
                buf_size % NELLY_BLOCK_LEN);
     }
-    /* Normal numbers of blocks for sample rates:
-     *  8000 Hz - 1
-     * 11025 Hz - 2
-     * 16000 Hz - 3
-     * 22050 Hz - 4
-     * 44100 Hz - 8
-     */
-    if(side && blocks>1 && avctx->sample_rate%11025==0 && (1<<((side[0]>>2)&3)) == blocks)
-        avctx->sample_rate= 11025*(blocks/2);
 
     /* get output buffer */
     frame->nb_samples = NELLY_SAMPLES * blocks;
@@ -196,7 +186,7 @@ static av_cold int decode_end(AVCodecContext * avctx) {
     return 0;
 }
 
-AVCodec ff_nellymoser_decoder = {
+const AVCodec ff_nellymoser_decoder = {
     .name           = "nellymoser",
     .long_name      = NULL_IF_CONFIG_SMALL("Nellymoser Asao"),
     .type           = AVMEDIA_TYPE_AUDIO,
@@ -205,7 +195,8 @@ AVCodec ff_nellymoser_decoder = {
     .init           = decode_init,
     .close          = decode_end,
     .decode         = decode_tag,
-    .capabilities   = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_PARAM_CHANGE,
+    .capabilities   = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_PARAM_CHANGE | AV_CODEC_CAP_CHANNEL_CONF,
     .sample_fmts    = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_FLT,
                                                       AV_SAMPLE_FMT_NONE },
+    .caps_internal  = FF_CODEC_CAP_INIT_THREADSAFE,
 };