[FFmpeg-devel] [PATCH 5/5] avcodec/acelp_pitch_delay: Remove unused functions

Michael Niedermayer michael at niedermayer.cc
Sun Dec 29 21:23:39 EET 2019


Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
---
 libavcodec/acelp_pitch_delay.c | 14 --------------
 libavcodec/acelp_pitch_delay.h | 33 ---------------------------------
 2 files changed, 47 deletions(-)

diff --git a/libavcodec/acelp_pitch_delay.c b/libavcodec/acelp_pitch_delay.c
index a070d1b25d..5ab12ae14d 100644
--- a/libavcodec/acelp_pitch_delay.c
+++ b/libavcodec/acelp_pitch_delay.c
@@ -56,20 +56,6 @@ int ff_acelp_decode_5_6_bit_to_2nd_delay3(
         return 3 * pitch_delay_min + ac_index - 2;
 }
 
-int ff_acelp_decode_9bit_to_1st_delay6(int ac_index)
-{
-    if(ac_index < 463)
-        return ac_index + 105;
-    else
-        return 6 * (ac_index - 368);
-}
-int ff_acelp_decode_6bit_to_2nd_delay6(
-        int ac_index,
-        int pitch_delay_min)
-{
-    return 6 * pitch_delay_min + ac_index - 3;
-}
-
 void ff_acelp_update_past_gain(
     int16_t* quant_energy,
     int gain_corr_factor,
diff --git a/libavcodec/acelp_pitch_delay.h b/libavcodec/acelp_pitch_delay.h
index 2aade2f226..973cb0caa0 100644
--- a/libavcodec/acelp_pitch_delay.h
+++ b/libavcodec/acelp_pitch_delay.h
@@ -82,39 +82,6 @@ int ff_acelp_decode_4bit_to_2nd_delay3(
         int ac_index,
         int pitch_delay_min);
 
-/**
- * @brief Decode pitch delay of the first subframe encoded by 9 bits
- *        with 1/6 precision.
- * @param ac_index adaptive codebook index (9 bits)
- *
- * @return pitch delay in 1/6 units
- *
- * Pitch delay is coded:
- *    with 1/6 resolution,  17  < pitch_delay <  95
- *    integers only,        95 <= pitch_delay <= 143
- *
- * @remark The routine is used in AMR @@12.2k for the first and third subframes.
- */
-int ff_acelp_decode_9bit_to_1st_delay6(int ac_index);
-
-/**
- * @brief Decode pitch delay of the second subframe encoded by 6 bits
- *        with 1/6 precision.
- * @param ac_index adaptive codebook index (6 bits)
- * @param pitch_delay_min lower bound (integer) of pitch delay interval for
- *                      second subframe
- *
- * @return pitch delay in 1/6 units
- *
- * Pitch delay is coded:
- *    with 1/6 resolution, -6 < pitch_delay - int(prev_pitch_delay) < 5
- *
- * @remark The routine is used in AMR @@12.2k for the second and fourth subframes.
- */
-int ff_acelp_decode_6bit_to_2nd_delay6(
-        int ac_index,
-        int pitch_delay_min);
-
 /**
  * @brief Update past quantized energies
  * @param[in,out]  quant_energy  past quantized energies (5.10)
-- 
2.24.0



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