From a0f64807fb22318ef6d610ae89f72da8940bcf78 Mon Sep 17 00:00:00 2001 From: Andre Noll Date: Sun, 11 Jun 2017 16:20:01 +0200 Subject: [PATCH] wma: Rename input/output buffer variables. The naming was confusing. With the new names it is clear which buffer is used for input and which for output. --- wmadec_filter.c | 25 ++++++++++++------------- 1 file changed, 12 insertions(+), 13 deletions(-) diff --git a/wmadec_filter.c b/wmadec_filter.c index 0c96dc6c..13f19464 100644 --- a/wmadec_filter.c +++ b/wmadec_filter.c @@ -1040,14 +1040,13 @@ static int wma_decode_frame(struct private_wmadec_data *pwd, int16_t *samples) return 0; } -static int wma_decode_superframe(struct private_wmadec_data *pwd, void *data, - int *data_size, const uint8_t *buf) +static int wma_decode_superframe(struct private_wmadec_data *pwd, void *out, + int *out_size, const uint8_t *in) { - int ret, buf_size = pwd->ahi.packet_size - WMA_FRAME_SKIP; - int16_t *samples; + int ret, in_size = pwd->ahi.packet_size - WMA_FRAME_SKIP; + int16_t *samples = out; - samples = data; - init_get_bits(&pwd->gb, buf, buf_size); + init_get_bits(&pwd->gb, in, in_size); if (pwd->ahi.use_bit_reservoir) { int i, nb_frames, bit_offset, pos, len; uint8_t *q; @@ -1058,7 +1057,7 @@ static int wma_decode_superframe(struct private_wmadec_data *pwd, void *data, // PARA_DEBUG_LOG("have %d frames\n", nb_frames); ret = -E_WMA_OUTPUT_SPACE; if ((nb_frames + 1) * pwd->ahi.channels * pwd->frame_len - * sizeof(int16_t) > *data_size) + * sizeof(int16_t) > *out_size) goto fail; bit_offset = get_bits(&pwd->gb, pwd->byte_offset_bits + 3); @@ -1096,7 +1095,7 @@ static int wma_decode_superframe(struct private_wmadec_data *pwd, void *data, /* read each frame starting from bit_offset */ pos = bit_offset + 4 + 4 + pwd->byte_offset_bits + 3; - init_get_bits(&pwd->gb, buf + (pos >> 3), + init_get_bits(&pwd->gb, in + (pos >> 3), (MAX_CODED_SUPERFRAME_SIZE - (pos >> 3))); len = pos & 7; if (len > 0) @@ -1115,16 +1114,16 @@ static int wma_decode_superframe(struct private_wmadec_data *pwd, void *data, ((bit_offset + 4 + 4 + pwd->byte_offset_bits + 3) & ~7); pwd->last_bitoffset = pos & 7; pos >>= 3; - len = buf_size - pos; + len = in_size - pos; ret = -E_WMA_BAD_SUPERFRAME; if (len > MAX_CODED_SUPERFRAME_SIZE || len < 0) goto fail; pwd->last_superframe_len = len; - memcpy(pwd->last_superframe, buf + pos, len); + memcpy(pwd->last_superframe, in + pos, len); } else { PARA_DEBUG_LOG("not using bit reservoir\n"); ret = -E_WMA_OUTPUT_SPACE; - if (pwd->ahi.channels * pwd->frame_len * sizeof(int16_t) > *data_size) + if (pwd->ahi.channels * pwd->frame_len * sizeof(int16_t) > *out_size) goto fail; /* single frame decode */ ret = wma_decode_frame(pwd, samples); @@ -1134,8 +1133,8 @@ static int wma_decode_superframe(struct private_wmadec_data *pwd, void *data, } PARA_DEBUG_LOG("frame_len: %d, block_len: %d, outbytes: %d, eaten: %d\n", pwd->frame_len, pwd->block_len, - (int)((int8_t *)samples - (int8_t *)data), pwd->ahi.block_align); - *data_size = (int8_t *)samples - (int8_t *)data; + (int)((int8_t *)samples - (int8_t *)out), pwd->ahi.block_align); + *out_size = (int8_t *)samples - (int8_t *)out; return pwd->ahi.block_align; fail: /* reset the bit reservoir on errors */ -- 2.39.2