diff options
Diffstat (limited to 'src/libfaad/xine_faad_decoder.c')
-rw-r--r-- | src/libfaad/xine_faad_decoder.c | 43 |
1 files changed, 38 insertions, 5 deletions
diff --git a/src/libfaad/xine_faad_decoder.c b/src/libfaad/xine_faad_decoder.c index 934140a32..b90bc701f 100644 --- a/src/libfaad/xine_faad_decoder.c +++ b/src/libfaad/xine_faad_decoder.c @@ -18,6 +18,10 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA */ +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + #include <stdlib.h> #include <unistd.h> #include <string.h> @@ -35,10 +39,14 @@ #include "audio_out.h" #include "buffer.h" #include "xineutils.h" +#ifdef HAVE_FAAD_H +#include <faad.h> +#else #include "common.h" #include "structs.h" #include "decoder.h" #include "syntax.h" +#endif #define FAAD_MIN_STREAMSIZE 768 /* 6144 bits/channel */ @@ -271,7 +279,32 @@ static void faad_decode_audio ( faad_decoder_t *this, int end_frame ) { lprintf("decoded %d/%d output %ld\n", used, this->size, this->faac_finfo.samples ); - + + /* Performing necessary channel reordering because aac uses a different + * layout than alsa: + * + * aac 5.1 channel layout: c l r ls rs lfe + * alsa 5.1 channel layout: l r ls rs c lfe + * + * Reordering is only necessary for 5.0 and above. Currently only 5.0 + * and 5.1 is being taken care of, the rest will stay in the wrong order + * for now. + * + * WARNING: the following needs a output format of 16 bits per sample. + * TODO: - reorder while copying (in the while() loop) and optimizing + */ + if(this->num_channels == 5 || this->num_channels == 6) + { + int i = 0; + uint16_t* buf = (uint16_t*)(sample_buffer); + + for(; i < this->faac_finfo.samples; i += this->num_channels) { + uint16_t center = buf[i]; + *((uint64_t*)(buf + i)) = *((uint64_t*)(buf + i + 1)); + buf[i + 4] = center; + } + } + while( decoded ) { audio_buffer = this->stream->audio_out->get_buffer (this->stream->audio_out); @@ -320,7 +353,7 @@ static void faad_decode_data (audio_decoder_t *this_gen, buf_element_t *buf) { if( !this->faac_dec && (buf->decoder_flags & BUF_FLAG_SPECIAL) && buf->decoder_info[1] == BUF_SPECIAL_DECODER_CONFIG ) { - this->dec_config = xine_xmalloc(buf->decoder_info[2]); + this->dec_config = malloc(buf->decoder_info[2]); this->dec_config_size = buf->decoder_info[2]; memcpy(this->dec_config, buf->decoder_info_ptr[2], buf->decoder_info[2]); @@ -341,7 +374,7 @@ static void faad_decode_data (audio_decoder_t *this_gen, buf_element_t *buf) { xine_waveformatex *wavex = (xine_waveformatex *) buf->content; if( wavex->cbSize > 0 ) { - this->dec_config = xine_xmalloc(wavex->cbSize); + this->dec_config = malloc(wavex->cbSize); this->dec_config_size = wavex->cbSize; memcpy(this->dec_config, buf->content + sizeof(xine_waveformatex), wavex->cbSize); @@ -417,7 +450,7 @@ static audio_decoder_t *open_plugin (audio_decoder_class_t *class_gen, xine_stre faad_decoder_t *this ; - this = (faad_decoder_t *) xine_xmalloc (sizeof (faad_decoder_t)); + this = calloc(1, sizeof (faad_decoder_t)); this->audio_decoder.decode_data = faad_decode_data; this->audio_decoder.reset = faad_reset; @@ -458,7 +491,7 @@ static void *init_plugin (xine_t *xine, void *data) { faad_class_t *this ; - this = (faad_class_t *) xine_xmalloc (sizeof (faad_class_t)); + this = calloc(1, sizeof (faad_class_t)); this->decoder_class.open_plugin = open_plugin; this->decoder_class.get_identifier = get_identifier; |