diff options
Diffstat (limited to 'src/audio_dec/xine_a52_decoder.c')
| -rw-r--r-- | src/audio_dec/xine_a52_decoder.c | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/src/audio_dec/xine_a52_decoder.c b/src/audio_dec/xine_a52_decoder.c index 4928c38d0..71adf176a 100644 --- a/src/audio_dec/xine_a52_decoder.c +++ b/src/audio_dec/xine_a52_decoder.c @@ -62,7 +62,8 @@ #include <xine/buffer.h> #include <xine/xineutils.h> -#include "../../contrib/a52dec/crc.c" +/* libavutil from FFmpeg */ +#include <crc.h> #undef DEBUG_A52 #ifdef DEBUG_A52 @@ -77,6 +78,7 @@ typedef struct { int disable_dynrng_compress; int enable_surround_downmix; + const AVCRC *av_crc; } a52dec_class_t; typedef struct a52dec_decoder_s { @@ -420,8 +422,6 @@ static void a52dec_decode_data (audio_decoder_t *this_gen, buf_element_t *buf) { uint8_t *end = buf->content + buf->size; uint8_t byte; int32_t n; - uint16_t crc16; - uint16_t crc16_result; lprintf ("decode data %d bytes of type %08x, pts=%"PRId64"\n", buf->size, buf->type, buf->pts); @@ -587,17 +587,16 @@ static void a52dec_decode_data (audio_decoder_t *this_gen, buf_element_t *buf) { this->sync_state = 3; } else break; - case 3: /* Ready for decode */ - crc16 = (uint16_t) ((this->frame_buffer[2] << 8) | this->frame_buffer[3]) ; - crc16_result = crc16_block(&this->frame_buffer[2], this->frame_length - 2) ; /* frame_length */ - if (crc16_result != 0) { /* CRC16 failed */ - xprintf(this->stream->xine, XINE_VERBOSITY_DEBUG, "liba52:a52 frame failed crc16 checksum.\n"); - current = sync_start; - this->pts = 0; - this->syncword = 0; - this->sync_state = 0; - break; - } + case 3: { /* Ready for decode */ + if (av_crc(this->class->av_crc, 0, &this->frame_buffer[2], this->frame_length - 2) != 0) { /* CRC16 failed */ + xprintf(this->stream->xine, XINE_VERBOSITY_DEBUG, "liba52:a52 frame failed crc16 checksum.\n"); + current = sync_start; + this->pts = 0; + this->syncword = 0; + this->sync_state = 0; + break; + } + } #if 0 a52dec_decode_frame (this, this->pts_list[0], buf->decoder_flags & BUF_FLAG_PREVIEW); #else @@ -798,6 +797,8 @@ static void *init_plugin (xine_t *xine, void *data) { this->decoder_class.description = N_("liba52 based a52 audio decoder plugin"); this->decoder_class.dispose = default_audio_decoder_class_dispose; + this->av_crc = av_crc_get_table(AV_CRC_16_ANSI); + cfg = this->config = xine->config; this->a52_level = (float) cfg->register_range (cfg, "audio.a52.level", 100, |