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https://github.com/mpv-player/mpv
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Simplify ad_imaadpcm decode_audio function
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@27144 b3059339-0415-0410-9bf9-f77b7e298cf2
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@ -182,7 +182,7 @@ static void decode_nibbles(unsigned short *output,
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}
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static int qt_ima_adpcm_decode_block(unsigned short *output,
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unsigned char *input, int channels)
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unsigned char *input, int channels, int block_size)
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{
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int initial_predictor_l = 0;
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int initial_predictor_r = 0;
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@ -351,26 +351,20 @@ static int dk4_ima_adpcm_decode_block(unsigned short *output,
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static int decode_audio(sh_audio_t *sh_audio,unsigned char *buf,int minlen,int maxlen)
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{
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int res = -1;
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int (*decode_func)(unsigned short *output, unsigned char *input, int channels, int block_size) = qt_ima_adpcm_decode_block;
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if (demux_read_data(sh_audio->ds, sh_audio->a_in_buffer,
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sh_audio->ds->ss_mul) !=
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sh_audio->ds->ss_mul)
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return -1;
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if ((sh_audio->format == 0x11) || (sh_audio->format == 0x1100736d))
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{
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return 2 * ms_ima_adpcm_decode_block(
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(unsigned short*)buf, sh_audio->a_in_buffer, sh_audio->wf->nChannels,
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sh_audio->ds->ss_mul);
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}
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decode_func = ms_ima_adpcm_decode_block;
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else if (sh_audio->format == 0x61)
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{
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return 2 * dk4_ima_adpcm_decode_block(
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(unsigned short*)buf, sh_audio->a_in_buffer, sh_audio->wf->nChannels,
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sh_audio->ds->ss_mul);
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}
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else
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{
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return 2 * qt_ima_adpcm_decode_block(
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(unsigned short*)buf, sh_audio->a_in_buffer, sh_audio->wf->nChannels);
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}
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decode_func = dk4_ima_adpcm_decode_block;
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res = decode_func((unsigned short*)buf, sh_audio->a_in_buffer,
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sh_audio->wf->nChannels, sh_audio->ds->ss_mul);
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if (res < 0) return res;
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else return 2 * res;
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}
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