diff options
Diffstat (limited to 'src/libreal/xine_real_audio_decoder.c')
-rw-r--r-- | src/libreal/xine_real_audio_decoder.c | 118 |
1 files changed, 14 insertions, 104 deletions
diff --git a/src/libreal/xine_real_audio_decoder.c b/src/libreal/xine_real_audio_decoder.c index a90144b95..fe5bca245 100644 --- a/src/libreal/xine_real_audio_decoder.c +++ b/src/libreal/xine_real_audio_decoder.c @@ -218,13 +218,14 @@ static int init_codec (realdec_decoder_t *this, buf_element_t *buf) { _x_meta_info_set_utf8(this->stream, XINE_META_INFO_AUDIOCODEC, "Cook"); if (!load_syms_linux (this, "cook.so", "cook.so.6.0")) return 0; + this->block_align = subpacket_size; break; case BUF_AUDIO_ATRK: _x_meta_info_set_utf8(this->stream, XINE_META_INFO_AUDIOCODEC, "Atrac"); if (!load_syms_linux (this, "atrc.so", "atrc.so.6.0")) return 0; - this->block_align = 384; + this->block_align = subpacket_size; break; case BUF_AUDIO_14_4: @@ -352,13 +353,6 @@ static int init_codec (realdec_decoder_t *this, buf_element_t *buf) { return 1; } -static unsigned char sipr_swaps[38][2]={ - {0,63},{1,22},{2,44},{3,90},{5,81},{7,31},{8,86},{9,58},{10,36},{12,68}, - {13,39},{14,73},{15,53},{16,69},{17,57},{19,88},{20,34},{21,71},{24,46}, - {25,94},{26,54},{28,75},{29,50},{32,70},{33,92},{35,74},{38,85},{40,56}, - {42,87},{43,65},{45,59},{48,79},{49,93},{51,89},{55,95},{61,76},{67,83}, - {77,80} }; - static void realdec_decode_data (audio_decoder_t *this_gen, buf_element_t *buf) { realdec_decoder_t *this = (realdec_decoder_t *) this_gen; @@ -385,116 +379,32 @@ static void realdec_decode_data (audio_decoder_t *this_gen, buf_element_t *buf) this->pts = buf->pts; size = buf->size; - while (size) { + int need; - int needed; - - needed = this->frame_size - this->frame_num_bytes; - - if (needed>size) { - - memcpy (this->frame_buffer+this->frame_num_bytes, buf->content, size); + need = this->frame_size - this->frame_num_bytes; + if (size < need) { + memcpy (this->frame_buffer + this->frame_num_bytes, + buf->content + buf->size - size, size); this->frame_num_bytes += size; - - lprintf ("buffering %d/%d bytes\n", this->frame_num_bytes, this->frame_size); - size = 0; - } else { - - int result; - int len =-1; - int n; - int sps = this->sps; - int w = this->w; - int h = this->h; audio_buffer_t *audio_buffer; + int n, len; + int result; - lprintf ("buffering %d bytes\n", needed); - - memcpy (this->frame_buffer+this->frame_num_bytes, buf->content, needed); - - size -= needed; + memcpy (this->frame_buffer + this->frame_num_bytes, + buf->content + buf->size - size, need); + size -= need; this->frame_num_bytes = 0; - lprintf ("frame completed. reordering...\n"); - lprintf ("bs=%d sps=%d w=%d h=%d \n",/*sh->wf->nBlockAlign*/-1,sps,w,h); - - if (!sps) { - - int j,n; - int bs=h*w*2/96; /* nibbles per subpacket */ - unsigned char *p=this->frame_buffer; - - /* 'sipr' way */ - /* demux_read_data(sh->ds, p, h*w); */ - for (n=0;n<38;n++){ - int i=bs*sipr_swaps[n][0]; - int o=bs*sipr_swaps[n][1]; - /* swap nibbles of block 'i' with 'o' TODO: optimize */ - for (j=0;j<bs;j++) { - int x=(i&1) ? (p[(i>>1)]>>4) : (p[(i>>1)]&15); - int y=(o&1) ? (p[(o>>1)]>>4) : (p[(o>>1)]&15); - if (o&1) - p[(o>>1)]=(p[(o>>1)]&0x0F)|(x<<4); - else - p[(o>>1)]=(p[(o>>1)]&0xF0)|x; - - if (i&1) - p[(i>>1)]=(p[(i>>1)]&0x0F)|(y<<4); - else - p[(i>>1)]=(p[(i>>1)]&0xF0)|y; - - ++i; - ++o; - } - } - /* - sh->a_in_buffer_size= - sh->a_in_buffer_len=w*h; - */ - - } else { - int x, y; - uint8_t *s; - - /* 'cook' way */ - - w /= sps; s = this->frame_buffer; - - for (y=0; y<h; y++) - - for (x=0; x<w; x++) { - - lprintf ("x=%d, y=%d, off %d\n", - x, y, sps*(h*x+((h+1)/2)*(y&1)+(y>>1))); - - memcpy (this->frame_reordered+sps*(h*x+((h+1)/2)*(y&1)+(y>>1)), - s, sps); - s+=sps; - - /* demux_read_data(sh->ds, sh->a_in_buffer+sps*(h*x+((h+1)/2)*(y&1)+(y>>1)), - sps); */ - - } - /* - sh->a_in_buffer_size= - sh->a_in_buffer_len=w*h*sps; - */ - } - -#ifdef LOG - xine_hexdump (this->frame_reordered, buf->size); -#endif - n = 0; - while (n<this->frame_size) { + while (n < this->frame_size) { audio_buffer = this->stream->audio_out->get_buffer (this->stream->audio_out); result = this->raDecode (this->context, - this->frame_reordered+n, + this->frame_buffer + n, this->block_align, (char *) audio_buffer->mem, &len, -1); |