videolan
/
ffmpeg
mirror of https://git.videolan.org/git/ffmpeg.git
1
Fork 0
Code Releases Activity

mpegaudiodec: init static tables in AVCodec.init_static_data()

This commit is contained in:
Justin Ruggles 2011-11-03 14:59:37 -04:00
parent 3f5d6a665a
commit 1158745a2d
2 changed files with 22 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

35
libavcodec/mpegaudiodec.c
View File

@ -266,24 +266,9 @@ static inline int l3_unscale(int value, int exponent)
return m;
}
static av_cold int decode_init(AVCodecContext * avctx)
static void decode_init_static(AVCodec *codec)
{
MPADecodeContext *s = avctx->priv_data;
static int init = 0;
int i, j, k;
s->avctx = avctx;
ff_mpadsp_init(&s->mpadsp);
avctx->sample_fmt= OUT_FMT;
s->err_recognition = avctx->err_recognition;
#if FF_API_PARSE_FRAME
if (!init && !avctx->parse_only) {
#else
if (!init) {
#endif
int offset;
/* scale factors table for layer 1/2 */
@ -468,9 +453,18 @@ static av_cold int decode_init(AVCodecContext * avctx)
mdct_win[j + 4][i + 1] = -mdct_win[j][i + 1];
}
}
}
init = 1;
}
static av_cold int decode_init(AVCodecContext * avctx)
{
MPADecodeContext *s = avctx->priv_data;
s->avctx = avctx;
ff_mpadsp_init(&s->mpadsp);
avctx->sample_fmt= OUT_FMT;
s->err_recognition = avctx->err_recognition;
if (avctx->codec_id == CODEC_ID_MP3ADU)
s->adu_mode = 1;
@ -2116,6 +2110,7 @@ AVCodec ff_mp1_decoder = {
.type = AVMEDIA_TYPE_AUDIO,
.id = CODEC_ID_MP1,
.priv_data_size = sizeof(MPADecodeContext),
.init_static_data = decode_init_static,
.init = decode_init,
.decode = decode_frame,
#if FF_API_PARSE_FRAME
@ -2131,6 +2126,7 @@ AVCodec ff_mp2_decoder = {
.type = AVMEDIA_TYPE_AUDIO,
.id = CODEC_ID_MP2,
.priv_data_size = sizeof(MPADecodeContext),
.init_static_data = decode_init_static,
.init = decode_init,
.decode = decode_frame,
#if FF_API_PARSE_FRAME
@ -2146,6 +2142,7 @@ AVCodec ff_mp3_decoder = {
.type = AVMEDIA_TYPE_AUDIO,
.id = CODEC_ID_MP3,
.priv_data_size = sizeof(MPADecodeContext),
.init_static_data = decode_init_static,
.init = decode_init,
.decode = decode_frame,
#if FF_API_PARSE_FRAME
@ -2161,6 +2158,7 @@ AVCodec ff_mp3adu_decoder = {
.type = AVMEDIA_TYPE_AUDIO,
.id = CODEC_ID_MP3ADU,
.priv_data_size = sizeof(MPADecodeContext),
.init_static_data = decode_init_static,
.init = decode_init,
.decode = decode_frame_adu,
#if FF_API_PARSE_FRAME
@ -2176,6 +2174,7 @@ AVCodec ff_mp3on4_decoder = {
.type = AVMEDIA_TYPE_AUDIO,
.id = CODEC_ID_MP3ON4,
.priv_data_size = sizeof(MP3On4DecodeContext),
.init_static_data = decode_init_static,
.init = decode_init_mp3on4,
.close = decode_close_mp3on4,
.decode = decode_frame_mp3on4,

5
libavcodec/mpegaudiodec_float.c
View File

@ -28,6 +28,7 @@ AVCodec ff_mp1float_decoder = {
.type = AVMEDIA_TYPE_AUDIO,
.id = CODEC_ID_MP1,
.priv_data_size = sizeof(MPADecodeContext),
.init_static_data = decode_init_static,
.init = decode_init,
.decode = decode_frame,
#if FF_API_PARSE_FRAME
@ -43,6 +44,7 @@ AVCodec ff_mp2float_decoder = {
.type = AVMEDIA_TYPE_AUDIO,
.id = CODEC_ID_MP2,
.priv_data_size = sizeof(MPADecodeContext),
.init_static_data = decode_init_static,
.init = decode_init,
.decode = decode_frame,
#if FF_API_PARSE_FRAME
@ -58,6 +60,7 @@ AVCodec ff_mp3float_decoder = {
.type = AVMEDIA_TYPE_AUDIO,
.id = CODEC_ID_MP3,
.priv_data_size = sizeof(MPADecodeContext),
.init_static_data = decode_init_static,
.init = decode_init,
.decode = decode_frame,
#if FF_API_PARSE_FRAME
@ -73,6 +76,7 @@ AVCodec ff_mp3adufloat_decoder = {
.type = AVMEDIA_TYPE_AUDIO,
.id = CODEC_ID_MP3ADU,
.priv_data_size = sizeof(MPADecodeContext),
.init_static_data = decode_init_static,
.init = decode_init,
.decode = decode_frame_adu,
#if FF_API_PARSE_FRAME
@ -88,6 +92,7 @@ AVCodec ff_mp3on4float_decoder = {
.type = AVMEDIA_TYPE_AUDIO,
.id = CODEC_ID_MP3ON4,
.priv_data_size = sizeof(MP3On4DecodeContext),
.init_static_data = decode_init_static,
.init = decode_init_mp3on4,
.close = decode_close_mp3on4,
.decode = decode_frame_mp3on4,