diff options
Diffstat (limited to 'src/libdts/xine_dts_decoder.c')
| -rw-r--r-- | src/libdts/xine_dts_decoder.c | 40 |
1 files changed, 26 insertions, 14 deletions
diff --git a/src/libdts/xine_dts_decoder.c b/src/libdts/xine_dts_decoder.c index 6573d5ed0..eba750110 100644 --- a/src/libdts/xine_dts_decoder.c +++ b/src/libdts/xine_dts_decoder.c @@ -21,6 +21,10 @@ * 09-12-2001 DTS passthrough inprovements (C) James Courtier-Dutton */ +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + #ifndef __sun /* required for swab() */ #define _XOPEN_SOURCE 500 @@ -207,19 +211,27 @@ static void dts_decode_frame (dts_decoder_t *this, int64_t pts, int preview_mode audio_buffer->num_frames = this->ac5_pcm_length; - data_out[0] = 0x72; data_out[1] = 0xf8; /* spdif syncword */ - data_out[2] = 0x1f; data_out[3] = 0x4e; /* .............. */ - data_out[4] = ac5_spdif_type; /* DTS data */ - data_out[5] = 0; /* Unknown */ - data_out[6] = (this->ac5_length << 3) & 0xff; /* ac5_length * 8 */ - data_out[7] = ((this->ac5_length ) >> 5) & 0xff; - - if( this->ac5_pcm_length ) { - if( this->ac5_pcm_length % 2) { - swab(data_in, &data_out[8], this->ac5_length ); - } else { - swab(data_in, &data_out[8], this->ac5_length + 1); + // Checking if AC5 data plus IEC958 header will fit into frames samples data + if ( this->ac5_length + 8 <= this->ac5_pcm_length * 2 * 2 ) { + data_out[0] = 0x72; data_out[1] = 0xf8; /* spdif syncword */ + data_out[2] = 0x1f; data_out[3] = 0x4e; /* .............. */ + data_out[4] = ac5_spdif_type; /* DTS data */ + data_out[5] = 0; /* Unknown */ + data_out[6] = (this->ac5_length << 3) & 0xff; /* ac5_length * 8 */ + data_out[7] = ((this->ac5_length ) >> 5) & 0xff; + + if( this->ac5_pcm_length ) { + if( this->ac5_pcm_length % 2) { + swab(data_in, &data_out[8], this->ac5_length ); + } else { + swab(data_in, &data_out[8], this->ac5_length + 1); + } } + // Transmit it without header otherwise, receivers will autodetect DTS + } else { + lprintf("AC5 data is too large (%i > %i), sending without IEC958 header\n", + this->ac5_length + 8, this->ac5_pcm_length * 2 * 2); + memcpy(data_out, data_in, this->ac5_length); } } else { /* Software decode */ @@ -481,7 +493,7 @@ static audio_decoder_t *open_plugin (audio_decoder_class_t *class_gen, xine_stre lprintf("open_plugin\n"); - this = (dts_decoder_t *) xine_xmalloc (sizeof (dts_decoder_t)); + this = calloc(1, sizeof (dts_decoder_t)); this->audio_decoder.decode_data = dts_decode_data; this->audio_decoder.reset = dts_reset; @@ -590,7 +602,7 @@ static void *init_plugin (xine_t *xine, void *data) { lprintf("init_plugin\n"); - this = (dts_class_t *) xine_xmalloc (sizeof (dts_class_t)); + this = calloc(1, sizeof (dts_class_t)); this->decoder_class.open_plugin = open_plugin; this->decoder_class.get_identifier = get_identifier; |