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author | reimar <reimar@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2008-06-29 07:55:44 +0000 |
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committer | reimar <reimar@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2008-06-29 07:55:44 +0000 |
commit | 15a54da104cf4670eef3d15330ac9d09f644cbbc (patch) | |
tree | 7416ef56f5ba83666e4fde1a018a8ee923983a2d /libmpcodecs/ad_imaadpcm.c | |
parent | 2293c795210e1bdb7d75ecc73d418fd33da1a64e (diff) | |
download | mpv-15a54da104cf4670eef3d15330ac9d09f644cbbc.tar.bz2 mpv-15a54da104cf4670eef3d15330ac9d09f644cbbc.tar.xz |
Simplify ad_imaadpcm decode_audio function
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@27144 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'libmpcodecs/ad_imaadpcm.c')
-rw-r--r-- | libmpcodecs/ad_imaadpcm.c | 26 |
1 files changed, 10 insertions, 16 deletions
diff --git a/libmpcodecs/ad_imaadpcm.c b/libmpcodecs/ad_imaadpcm.c index 532eecad43..a4a5bfaf5e 100644 --- a/libmpcodecs/ad_imaadpcm.c +++ b/libmpcodecs/ad_imaadpcm.c @@ -182,7 +182,7 @@ static void decode_nibbles(unsigned short *output, } static int qt_ima_adpcm_decode_block(unsigned short *output, - unsigned char *input, int channels) + unsigned char *input, int channels, int block_size) { int initial_predictor_l = 0; int initial_predictor_r = 0; @@ -351,26 +351,20 @@ static int dk4_ima_adpcm_decode_block(unsigned short *output, static int decode_audio(sh_audio_t *sh_audio,unsigned char *buf,int minlen,int maxlen) { + int res = -1; + int (*decode_func)(unsigned short *output, unsigned char *input, int channels, int block_size) = qt_ima_adpcm_decode_block; if (demux_read_data(sh_audio->ds, sh_audio->a_in_buffer, sh_audio->ds->ss_mul) != sh_audio->ds->ss_mul) return -1; if ((sh_audio->format == 0x11) || (sh_audio->format == 0x1100736d)) - { - return 2 * ms_ima_adpcm_decode_block( - (unsigned short*)buf, sh_audio->a_in_buffer, sh_audio->wf->nChannels, - sh_audio->ds->ss_mul); - } + decode_func = ms_ima_adpcm_decode_block; else if (sh_audio->format == 0x61) - { - return 2 * dk4_ima_adpcm_decode_block( - (unsigned short*)buf, sh_audio->a_in_buffer, sh_audio->wf->nChannels, - sh_audio->ds->ss_mul); - } - else - { - return 2 * qt_ima_adpcm_decode_block( - (unsigned short*)buf, sh_audio->a_in_buffer, sh_audio->wf->nChannels); - } + decode_func = dk4_ima_adpcm_decode_block; + + res = decode_func((unsigned short*)buf, sh_audio->a_in_buffer, + sh_audio->wf->nChannels, sh_audio->ds->ss_mul); + if (res < 0) return res; + else return 2 * res; } |