diff options
| author | Nicolas Bertrand <nicoinattendu@gmail.com> | 2013-07-13 01:01:43 +0400 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2013-07-13 01:43:09 +0400 |
| commit | dd1382ac9534bd9b5ec7833eed9ab6f383e68a50 (patch) | |
| tree | b9a3d04b87897df874a124d3699f75122b223fa1 /libavcodec/mqc.c | |
| parent | 7f4a1fddd39e331464e443f95f10e225882b5c53 (diff) | |
jpeg2000: Initialize only once mqc arrays
Increases encoding and decoding speed
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/mqc.c')
| -rw-r--r-- | libavcodec/mqc.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/libavcodec/mqc.c b/libavcodec/mqc.c index 288570d309..f8294cd54c 100644 --- a/libavcodec/mqc.c +++ b/libavcodec/mqc.c @@ -92,14 +92,9 @@ uint16_t ff_mqc_qe [2 * 47]; uint8_t ff_mqc_nlps[2 * 47]; uint8_t ff_mqc_nmps[2 * 47]; -void ff_mqc_init_contexts(MqcState *mqc) +void ff_mqc_init_context_tables(void) { int i; - memset(mqc->cx_states, 0, sizeof(mqc->cx_states)); - mqc->cx_states[MQC_CX_UNI] = 2 * 46; - mqc->cx_states[MQC_CX_RL] = 2 * 3; - mqc->cx_states[0] = 2 * 4; - for (i = 0; i < 47; i++) { ff_mqc_qe[2 * i] = ff_mqc_qe[2 * i + 1] = cx_states[i].qe; @@ -110,3 +105,11 @@ void ff_mqc_init_contexts(MqcState *mqc) ff_mqc_nmps[2 * i + 1] = 2 * cx_states[i].nmps + 1; } } + +void ff_mqc_init_contexts(MqcState *mqc) +{ + memset(mqc->cx_states, 0, sizeof(mqc->cx_states)); + mqc->cx_states[MQC_CX_UNI] = 2 * 46; + mqc->cx_states[MQC_CX_RL] = 2 * 3; + mqc->cx_states[0] = 2 * 4; +} |