h264: use the main H264Context as the parent for all slice contexts

[ffmpeg] / libavcodec / atrac3.c

diff --git a/libavcodec/atrac3.c b/libavcodec/atrac3.c
index 5378d956d2bf4b6c00b1249e5463f4e131b9ea59..e8d2e2a875d50faf75278dc8c2c0d2f8f9a6111b 100644 (file)
--- a/libavcodec/atrac3.c
+++ b/libavcodec/atrac3.c
@@ -41,7 +41,6 @@
 #include "avcodec.h"
 #include "bytestream.h"
 #include "fft.h"
-#include "fmtconvert.h"
 #include "get_bits.h"
 #include "internal.h"
 
@@ -107,16 +106,12 @@ typedef struct ATRAC3Context {
 
     AtracGCContext  gainc_ctx;
     FFTContext mdct_ctx;
-    FmtConvertContext fmt_conv;
     AVFloatDSPContext fdsp;
 } ATRAC3Context;
 
 static DECLARE_ALIGNED(32, float, mdct_window)[MDCT_SIZE];
 static VLC_TYPE atrac3_vlc_table[4096][2];
 static VLC   spectral_coeff_tab[7];
-static float gain_tab1[16];
-static float gain_tab2[31];
-
 
 /**
  * Regular 512 points IMDCT without overlapping, with the exception of the
@@ -173,7 +168,7 @@ static int decode_bytes(const uint8_t *input, uint8_t *out, int bytes)
     return off;
 }
 
-static av_cold void init_atrac3_window(void)
+static av_cold void init_imdct_window(void)
 {
     int i, j;
 
@@ -780,7 +775,7 @@ static av_cold void atrac3_init_static_data(AVCodec *codec)
 {
     int i;
 
-    init_atrac3_window();
+    init_imdct_window();
     ff_atrac_generate_tables();
 
     /* Initialize the VLC tables. */
@@ -792,13 +787,6 @@ static av_cold void atrac3_init_static_data(AVCodec *codec)
                  huff_bits[i],  1, 1,
                  huff_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC);
     }
-
-    /* Generate gain tables */
-    for (i = 0; i < 16; i++)
-        gain_tab1[i] = powf(2.0, (4 - i));
-
-    for (i = -15; i < 16; i++)
-        gain_tab2[i + 15] = powf(2.0, i * -0.125);
 }
 
 static av_cold int atrac3_decode_init(AVCodecContext *avctx)
@@ -892,7 +880,7 @@ static av_cold int atrac3_decode_init(AVCodecContext *avctx)
 
     q->decoded_bytes_buffer = av_mallocz(FFALIGN(avctx->block_align, 4) +
                                          FF_INPUT_BUFFER_PADDING_SIZE);
-    if (q->decoded_bytes_buffer == NULL)
+    if (!q->decoded_bytes_buffer)
         return AVERROR(ENOMEM);
 
     avctx->sample_fmt = AV_SAMPLE_FMT_FLTP;
@@ -920,7 +908,6 @@ static av_cold int atrac3_decode_init(AVCodecContext *avctx)
 
     ff_atrac_init_gain_compensation(&q->gainc_ctx, 4, 3);
     avpriv_float_dsp_init(&q->fdsp, avctx->flags & CODEC_FLAG_BITEXACT);
-    ff_fmt_convert_init(&q->fmt_conv, avctx);
 
     q->units = av_mallocz(sizeof(*q->units) * avctx->channels);
     if (!q->units) {