avcodec: Constify AVCodecs

[ffmpeg] / libavcodec / aacdec.c

diff --git a/libavcodec/aacdec.c b/libavcodec/aacdec.c
index d394700cdc857fa9386fc60ed2509fd869461f7f..3ce5330c06f6bc19b298778b77ab103f66c2473d 100644 (file)
--- a/libavcodec/aacdec.c
+++ b/libavcodec/aacdec.c
@@ -69,6 +69,11 @@
 #   include "mips/aacdec_mips.h"
 #endif
 
+DECLARE_ALIGNED(32, static INTFLOAT, AAC_RENAME(sine_120))[120];
+DECLARE_ALIGNED(32, static INTFLOAT, AAC_RENAME(sine_960))[960];
+DECLARE_ALIGNED(32, static INTFLOAT, AAC_RENAME(aac_kbd_long_960))[960];
+DECLARE_ALIGNED(32, static INTFLOAT, AAC_RENAME(aac_kbd_short_120))[120];
+
 static av_always_inline void reset_predict_state(PredictorState *ps)
 {
     ps->r0   = 0.0f;
@@ -247,14 +252,12 @@ static void apply_independent_coupling(AACContext *ac,
                                        SingleChannelElement *target,
                                        ChannelElement *cce, int index)
 {
-    int i;
     const float gain = cce->coup.gain[index][0];
     const float *src = cce->ch[0].ret;
     float *dest = target->ret;
     const int len = 1024 << (ac->oc[1].m4ac.sbr == 1);
 
-    for (i = 0; i < len; i++)
-        dest[i] += gain * src[i];
+    ac->fdsp->vector_fmac_scalar(dest, src, gain, len);
 }
 
 #include "aacdec_template.c"
@@ -411,6 +414,8 @@ static int read_stream_mux_config(struct LATMContext *latmctx,
             } else {
                 int esc;
                 do {
+                    if (get_bits_left(gb) < 9)
+                        return AVERROR_INVALIDDATA;
                     esc = get_bits(gb, 1);
                     skip_bits(gb, 8);
                 } while (esc);
@@ -548,7 +553,7 @@ static av_cold int latm_decode_init(AVCodecContext *avctx)
     return ret;
 }
 
-AVCodec ff_aac_decoder = {
+const AVCodec ff_aac_decoder = {
     .name            = "aac",
     .long_name       = NULL_IF_CONFIG_SMALL("AAC (Advanced Audio Coding)"),
     .type            = AVMEDIA_TYPE_AUDIO,
@@ -561,7 +566,7 @@ AVCodec ff_aac_decoder = {
         AV_SAMPLE_FMT_FLTP, AV_SAMPLE_FMT_NONE
     },
     .capabilities    = AV_CODEC_CAP_CHANNEL_CONF | AV_CODEC_CAP_DR1,
-    .caps_internal   = FF_CODEC_CAP_INIT_THREADSAFE,
+    .caps_internal   = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_INIT_CLEANUP,
     .channel_layouts = aac_channel_layout,
     .flush = flush,
     .priv_class      = &aac_decoder_class,
@@ -573,7 +578,7 @@ AVCodec ff_aac_decoder = {
     in MPEG transport streams which only contain one program.
     To do a more complex LATM demuxing a separate LATM demuxer should be used.
 */
-AVCodec ff_aac_latm_decoder = {
+const AVCodec ff_aac_latm_decoder = {
     .name            = "aac_latm",
     .long_name       = NULL_IF_CONFIG_SMALL("AAC LATM (Advanced Audio Coding LATM syntax)"),
     .type            = AVMEDIA_TYPE_AUDIO,
@@ -586,7 +591,7 @@ AVCodec ff_aac_latm_decoder = {
         AV_SAMPLE_FMT_FLTP, AV_SAMPLE_FMT_NONE
     },
     .capabilities    = AV_CODEC_CAP_CHANNEL_CONF | AV_CODEC_CAP_DR1,
-    .caps_internal   = FF_CODEC_CAP_INIT_THREADSAFE,
+    .caps_internal   = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_INIT_CLEANUP,
     .channel_layouts = aac_channel_layout,
     .flush = flush,
     .profiles        = NULL_IF_CONFIG_SMALL(ff_aac_profiles),