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mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-23 12:43:46 +02:00
Originally committed as revision 11767 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2008-02-01 15:37:24 +00:00
parent 3052e4b58b
commit 0942f55cdc

View File

@ -106,7 +106,7 @@ typedef struct {
float level;
float *samples_im;
float *samples_re;
float *table;
const float *table;
int phase;
int phase_shift;
int duration;
@ -176,7 +176,7 @@ typedef struct {
QDM2FFT fft;
/// I/O data
uint8_t *compressed_data;
const uint8_t *compressed_data;
int compressed_size;
float output_buffer[1024];
@ -404,7 +404,7 @@ static int qdm2_get_se_vlc (VLC *vlc, GetBitContext *gb, int depth)
*
* @return 0 if checksum is OK
*/
static uint16_t qdm2_packet_checksum (uint8_t *data, int length, int value) {
static uint16_t qdm2_packet_checksum (const uint8_t *data, int length, int value) {
int i;
for (i=0; i < length; i++)
@ -1598,7 +1598,7 @@ static void qdm2_fft_tone_synthesizer (QDM2Context *q, int sub_packet)
tone.level = (q->fft_coefs[j].exp < 0) ? 0.0 : fft_tone_level_table[q->superblocktype_2_3 ? 0 : 1][q->fft_coefs[j].exp & 63];
tone.samples_im = &q->fft.samples_im[ch][offset];
tone.samples_re = &q->fft.samples_re[ch][offset];
tone.table = (float*)fft_tone_sample_table[i][q->fft_coefs[j].offset - (offset << four_i)];
tone.table = fft_tone_sample_table[i][q->fft_coefs[j].offset - (offset << four_i)];
tone.phase = 64 * q->fft_coefs[j].phase - (offset << 8) - 128;
tone.phase_shift = (2 * q->fft_coefs[j].offset + 1) << (7 - four_i);
tone.duration = i;
@ -1943,7 +1943,7 @@ static int qdm2_decode_close(AVCodecContext *avctx)
}
static void qdm2_decode (QDM2Context *q, uint8_t *in, int16_t *out)
static void qdm2_decode (QDM2Context *q, const uint8_t *in, int16_t *out)
{
int ch, i;
const int frame_size = (q->frame_size * q->channels);
@ -2005,7 +2005,7 @@ static void qdm2_decode (QDM2Context *q, uint8_t *in, int16_t *out)
static int qdm2_decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
uint8_t *buf, int buf_size)
const uint8_t *buf, int buf_size)
{
QDM2Context *s = avctx->priv_data;