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Code Issues Releases Activity

avcodec/qdm2: Initialize array of VLCs in a loop

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Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
This commit is contained in:
Andreas Rheinhardt
2020-10-31 19:26:39 +01:00
parent 760217f469
commit bcdf67c7fa
2 changed files with 17 additions and 23 deletions
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12
libavcodec/qdm2_tablegen.h
View File

@@ -127,6 +127,8 @@ static av_cold void build_vlc(VLC *vlc, int nb_bits, int nb_codes, int idx,
static av_cold void qdm2_init_vlc(void)
{
const uint8_t (*tab)[2] = tab_fft_tone_offset;
build_vlc(&vlc_tab_level, 8, 24, 0, tab_level);
build_vlc(&vlc_tab_diff, 8, 33, 1, tab_diff);
build_vlc(&vlc_tab_run, 5, 6, 2, tab_run);
@@ -144,11 +146,11 @@ static av_cold void qdm2_init_vlc(void)
build_vlc(&vlc_tab_type30, 6, 9, 10, tab_type30);
build_vlc(&vlc_tab_type34, 5, 10, 11, tab_type34);
build_vlc(&vlc_tab_fft_tone_offset[0], 8, 23, 12, tab_fft_tone_offset_0);
build_vlc(&vlc_tab_fft_tone_offset[1], 8, 28, 13, tab_fft_tone_offset_1);
build_vlc(&vlc_tab_fft_tone_offset[2], 8, 31, 14, tab_fft_tone_offset_2);
build_vlc(&vlc_tab_fft_tone_offset[3], 8, 34, 15, tab_fft_tone_offset_3);
build_vlc(&vlc_tab_fft_tone_offset[4], 8, 37, 16, tab_fft_tone_offset_4);
for (int i = 0; i < 5; i++) {
build_vlc(&vlc_tab_fft_tone_offset[i], 8, tab_fft_tone_offset_sizes[i],
12 + i, tab);
tab += tab_fft_tone_offset_sizes[i];
}
}
#endif /* CONFIG_HARDCODED_TABLES */

28
libavcodec/qdm2data.h
View File

@@ -91,45 +91,37 @@ static const uint8_t tab_type34[10][2] = {
{ 4, 3 }, { 6, 3 }, { 5, 3 },
};
/* values in this table range from -1..22; adjust retrieved value by -1 */
static const uint8_t tab_fft_tone_offset_0[23][2] = {
static const uint8_t tab_fft_tone_offset_sizes[] = {
23, 28, 31, 34, 37
};
static const uint8_t tab_fft_tone_offset[][2] = {
/* First table - 23 entries with range -1..21 */
{ 2, 2 }, { 7, 7 }, { 15, 8 }, { 21, 8 }, { 3, 6 }, { 6, 6 },
{ 13, 7 }, { 14, 8 }, { 18, 8 }, { 4, 4 }, { 5, 5 }, { 11, 7 },
{ 10, 7 }, { 20, 6 }, { 12, 8 }, { 16, 9 }, { 22, 10 }, { 0, 10 },
{ 17, 7 }, { 19, 6 }, { 8, 6 }, { 9, 6 }, { 1, 1 },
};
/* values in this table range from -1..27; adjust retrieved value by -1 */
static const uint8_t tab_fft_tone_offset_1[28][2] = {
/* Second table - 28 entries with range -1..26 */
{ 8, 6 }, { 2, 6 }, { 7, 6 }, { 23, 7 }, { 12, 7 }, { 5, 4 },
{ 10, 6 }, { 20, 8 }, { 25, 9 }, { 26, 10 }, { 27, 11 }, { 0, 11 },
{ 22, 7 }, { 9, 5 }, { 13, 6 }, { 17, 6 }, { 4, 5 }, { 14, 6 },
{ 19, 7 }, { 24, 7 }, { 3, 6 }, { 11, 6 }, { 21, 6 }, { 18, 6 },
{ 16, 6 }, { 15, 6 }, { 6, 3 }, { 1, 1 },
};
/* values in this table range from -1..31; adjust retrieved value by -1 */
static const uint8_t tab_fft_tone_offset_2[31][2] = {
/* Third table - 31 entries with range -1..30 (1 omitted) */
{ 14, 7 }, { 17, 7 }, { 15, 7 }, { 23, 9 }, { 28, 10 }, { 29, 11 },
{ 30, 13 }, { 0, 13 }, { 31, 12 }, { 25, 8 }, { 10, 5 }, { 8, 4 },
{ 9, 4 }, { 4, 4 }, { 22, 8 }, { 3, 8 }, { 21, 8 }, { 26, 9 },
{ 27, 9 }, { 12, 6 }, { 11, 5 }, { 16, 7 }, { 18, 7 }, { 20, 8 },
{ 24, 8 }, { 19, 7 }, { 13, 5 }, { 5, 3 }, { 1, 2 }, { 6, 3 },
{ 7, 3 },
};
/* values in this table range from -1..34; adjust retrieved value by -1 */
static const uint8_t tab_fft_tone_offset_3[34][2] = {
/* Fourth table - 34 entries with range -1..33 (1 omitted) */
{ 4, 4 }, { 7, 4 }, { 10, 4 }, { 3, 10 }, { 27, 10 }, { 29, 10 },
{ 28, 10 }, { 22, 8 }, { 21, 7 }, { 15, 6 }, { 14, 5 }, { 8, 4 },
{ 16, 6 }, { 19, 7 }, { 23, 8 }, { 26, 9 }, { 30, 10 }, { 33, 13 },
{ 34, 14 }, { 0, 14 }, { 32, 12 }, { 31, 11 }, { 12, 5 }, { 5, 3 },
{ 9, 3 }, { 1, 4 }, { 20, 7 }, { 25, 8 }, { 24, 8 }, { 18, 6 },
{ 17, 5 }, { 6, 3 }, { 11, 4 }, { 13, 4 },
};
/* values in this table range from -1..37; adjust retrieved value by -1 */
static const uint8_t tab_fft_tone_offset_4[37][2] = {
/* Fifth table - 37 entries with range -1..36 (1 omitted) */
{ 5, 3 }, { 4, 3 }, { 19, 8 }, { 33, 12 }, { 31, 12 }, { 28, 11 },
{ 34, 14 }, { 37, 14 }, { 35, 15 }, { 0, 15 }, { 36, 14 }, { 32, 12 },
{ 30, 11 }, { 24, 9 }, { 22, 8 }, { 23, 9 }, { 29, 10 }, { 27, 10 },