diff options
author | Diego Biurrun <diego@biurrun.de> | 2009-09-02 22:03:13 +0400 |
---|---|---|
committer | Diego Biurrun <diego@biurrun.de> | 2009-09-02 22:03:13 +0400 |
commit | e0b1d6605b204edfbb98d798d97cec9283d9511b (patch) | |
tree | fe0c2f1efadd46943ad760e2a1bf64955040dd3c /libavcodec/wmaprodec.c | |
parent | c1061cc7f7c4fc866ad4bef5ded378f6cc9988e1 (diff) |
cosmetics: indentation and other prettyprinting fixes
Originally committed as revision 19753 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/wmaprodec.c')
-rw-r--r-- | libavcodec/wmaprodec.c | 147 |
1 files changed, 74 insertions, 73 deletions
diff --git a/libavcodec/wmaprodec.c b/libavcodec/wmaprodec.c index f96e4dbed3..495e27a324 100644 --- a/libavcodec/wmaprodec.c +++ b/libavcodec/wmaprodec.c @@ -262,7 +262,7 @@ static av_cold int decode_end(AVCodecContext *avctx) static av_cold int decode_init(AVCodecContext *avctx) { WMAProDecodeCtx *s = avctx->priv_data; - uint8_t *edata_ptr = avctx->extradata; + uint8_t *edata_ptr = avctx->extradata; unsigned int channel_mask; int i; int log2_max_num_subframes; @@ -381,11 +381,11 @@ static av_cold int decode_init(AVCodecContext *avctx) s->sfb_offsets[i][0] = 0; - for (x = 0; x < MAX_BANDS-1 && s->sfb_offsets[i][band-1] < subframe_len; x++) { + for (x = 0; x < MAX_BANDS-1 && s->sfb_offsets[i][band - 1] < subframe_len; x++) { int offset = (subframe_len * 2 * critical_freq[x]) / s->avctx->sample_rate + 2; offset &= ~3; - if ( offset > s->sfb_offsets[i][band - 1] ) + if (offset > s->sfb_offsets[i][band - 1]) s->sfb_offsets[i][band++] = offset; } s->sfb_offsets[i][band - 1] = subframe_len; @@ -403,7 +403,7 @@ static av_cold int decode_init(AVCodecContext *avctx) for (b = 0; b < s->num_sfb[i]; b++) { int x; int offset = ((s->sfb_offsets[i][b] - + s->sfb_offsets[i][b + 1] - 1)<<i) >> 1; + + s->sfb_offsets[i][b + 1] - 1) << i) >> 1; for (x = 0; x < num_possible_block_sizes; x++) { int v = 0; while (s->sfb_offsets[x][v + 1] << x < offset) @@ -416,7 +416,7 @@ static av_cold int decode_init(AVCodecContext *avctx) /** init MDCT, FIXME: only init needed sizes */ for (i = 0; i < WMAPRO_BLOCK_SIZES; i++) ff_mdct_init(&s->mdct_ctx[i], BLOCK_MIN_BITS+1+i, 1, - 1.0 / (1 <<(BLOCK_MIN_BITS + i - 1)) + 1.0 / (1 << (BLOCK_MIN_BITS + i - 1)) / (1 << (s->bits_per_sample - 1))); /** init MDCT windows: simple sinus window */ @@ -424,7 +424,7 @@ static av_cold int decode_init(AVCodecContext *avctx) const int n = 1 << (WMAPRO_BLOCK_MAX_BITS - i); const int win_idx = WMAPRO_BLOCK_MAX_BITS - i - 7; ff_sine_window_init(ff_sine_windows[win_idx], n); - s->windows[WMAPRO_BLOCK_SIZES-i-1] = ff_sine_windows[win_idx]; + s->windows[WMAPRO_BLOCK_SIZES - i - 1] = ff_sine_windows[win_idx]; } /** calculate subwoofer cutoff values */ @@ -471,8 +471,8 @@ static int decode_subframe_length(WMAProDecodeCtx *s, int offset) subframe_len = s->samples_per_frame >> frame_len_shift; /** sanity check the length */ - if (subframe_len < s->min_samples_per_subframe - || subframe_len > s->samples_per_frame) { + if (subframe_len < s->min_samples_per_subframe || + subframe_len > s->samples_per_frame) { av_log(s->avctx, AV_LOG_ERROR, "broken frame: subframe_len %i\n", subframe_len); return AVERROR_INVALIDDATA; @@ -559,11 +559,11 @@ static int decode_tilehdr(WMAProDecodeCtx *s) num_samples[c] += subframe_len; ++chan->num_subframes; if (num_samples[c] > s->samples_per_frame) { - av_log(s->avctx, AV_LOG_ERROR,"broken frame: " + av_log(s->avctx, AV_LOG_ERROR, "broken frame: " "channel len > samples_per_frame\n"); return AVERROR_INVALIDDATA; } - } else if(num_samples[c] <= min_channel_len) { + } else if (num_samples[c] <= min_channel_len) { if (num_samples[c] < min_channel_len) { channels_for_cur_subframe = 0; min_channel_len = num_samples[c]; @@ -578,7 +578,8 @@ static int decode_tilehdr(WMAProDecodeCtx *s) int offset = 0; for (i = 0; i < s->channel[c].num_subframes; i++) { dprintf(s->avctx, "frame[%i] channel[%i] subframe[%i]" - " len %i\n", s->frame_num, c, i, s->channel[c].subframe_len[i]); + " len %i\n", s->frame_num, c, i, + s->channel[c].subframe_len[i]); s->channel[c].subframe_offset[i] = offset; offset += s->channel[c].subframe_len[i]; } @@ -606,7 +607,7 @@ static void decode_decorrelation_matrix(WMAProDecodeCtx *s, for (i = 0; i < chgroup->num_channels; i++) chgroup->decorrelation_matrix[chgroup->num_channels * i + i] = - get_bits1(&s->gb) ? 1.0 : -1.0; + get_bits1(&s->gb) ? 1.0 : -1.0; for (i = 1; i < chgroup->num_channels; i++) { int x; @@ -621,10 +622,10 @@ static void decode_decorrelation_matrix(WMAProDecodeCtx *s, if (n < 32) { sinv = sin64[n]; - cosv = sin64[32-n]; + cosv = sin64[32 - n]; } else { - sinv = sin64[64-n]; - cosv = -sin64[n-32]; + sinv = sin64[64 - n]; + cosv = -sin64[n - 32]; } chgroup->decorrelation_matrix[y + x * chgroup->num_channels] = @@ -646,7 +647,7 @@ static int decode_channel_transform(WMAProDecodeCtx* s) { int i; /* should never consume more than 1921 bits for the 8 channel case - * 1 + MAX_CHANNELS * ( MAX_CHANNELS + 2 + 3 * MAX_CHANNELS * MAX_CHANNELS + * 1 + MAX_CHANNELS * (MAX_CHANNELS + 2 + 3 * MAX_CHANNELS * MAX_CHANNELS * + MAX_CHANNELS + MAX_BANDS + 1) */ @@ -662,7 +663,7 @@ static int decode_channel_transform(WMAProDecodeCtx* s) } for (s->num_chgroups = 0; remaining_channels && - s->num_chgroups < s->channels_for_cur_subframe; s->num_chgroups++) { + s->num_chgroups < s->channels_for_cur_subframe; s->num_chgroups++) { WMAProChannelGrp* chgroup = &s->chgroup[s->num_chgroups]; float** channel_data = chgroup->channel_data; chgroup->num_channels = 0; @@ -694,7 +695,7 @@ static int decode_channel_transform(WMAProDecodeCtx* s) if (get_bits1(&s->gb)) { if (get_bits1(&s->gb)) { av_log_ask_for_sample(s->avctx, - "unsupported channel transform type\n"); + "unsupported channel transform type\n"); } } else { chgroup->transform = 1; @@ -720,12 +721,12 @@ static int decode_channel_transform(WMAProDecodeCtx* s) /** FIXME: more than 6 coupled channels not supported */ if (chgroup->num_channels > 6) { av_log_ask_for_sample(s->avctx, - "coupled channels > 6\n"); + "coupled channels > 6\n"); } else { memcpy(chgroup->decorrelation_matrix, - default_decorrelation[chgroup->num_channels], - chgroup->num_channels * chgroup->num_channels * - sizeof(*chgroup->decorrelation_matrix)); + default_decorrelation[chgroup->num_channels], + chgroup->num_channels * chgroup->num_channels * + sizeof(*chgroup->decorrelation_matrix)); } } } @@ -804,23 +805,23 @@ static int decode_coeffs(WMAProDecodeCtx *s, int c) } } } else { - vals[0] = symbol_to_vec4[idx] >> 12; - vals[1] = (symbol_to_vec4[idx] >> 8) & 0xF; - vals[2] = (symbol_to_vec4[idx] >> 4) & 0xF; - vals[3] = symbol_to_vec4[idx] & 0xF; + vals[0] = symbol_to_vec4[idx] >> 12; + vals[1] = (symbol_to_vec4[idx] >> 8) & 0xF; + vals[2] = (symbol_to_vec4[idx] >> 4) & 0xF; + vals[3] = symbol_to_vec4[idx] & 0xF; } /** decode sign */ for (i = 0; i < 4; i++) { if (vals[i]) { int sign = get_bits1(&s->gb) - 1; - ci->coeffs[cur_coeff] = (vals[i]^sign) - sign; + ci->coeffs[cur_coeff] = (vals[i] ^ sign) - sign; num_zeros = 0; } else { ci->coeffs[cur_coeff] = 0; /** switch to run level mode when subframe_len / 128 zeros - were found in a row */ - rl_mode |= (++num_zeros > s->subframe_len>>8); + were found in a row */ + rl_mode |= (++num_zeros > s->subframe_len >> 8); } ++cur_coeff; } @@ -893,7 +894,7 @@ static int decode_scale_factors(WMAProDecodeCtx* s) idx = get_vlc2(&s->gb, sf_rl_vlc.table, VLCBITS, SCALERLMAXDEPTH); - if ( !idx ) { + if (!idx) { uint32_t code = get_bits(&s->gb, 14); val = code >> 6; sign = (code & 1) - 1; @@ -908,7 +909,7 @@ static int decode_scale_factors(WMAProDecodeCtx* s) i += skip; if (i >= s->num_bands) { - av_log(s->avctx,AV_LOG_ERROR, + av_log(s->avctx, AV_LOG_ERROR, "invalid scale factor coding\n"); return AVERROR_INVALIDDATA; } @@ -955,7 +956,7 @@ static void inverse_channel_transform(WMAProDecodeCtx *s) /** multichannel decorrelation */ for (sfb = s->cur_sfb_offsets; - sfb < s->cur_sfb_offsets + s->num_bands;sfb++) { + sfb < s->cur_sfb_offsets + s->num_bands; sfb++) { int y; if (*tb++ == 1) { /** multiply values with the decorrelation_matrix */ @@ -966,7 +967,7 @@ static void inverse_channel_transform(WMAProDecodeCtx *s) float** ch; for (ch = ch_data; ch < ch_end; ch++) - *data_ptr++ = (*ch)[y]; + *data_ptr++ = (*ch)[y]; for (ch = ch_data; ch < ch_end; ch++) { float sum = 0; @@ -995,18 +996,18 @@ static void inverse_channel_transform(WMAProDecodeCtx *s) static void wmapro_window(WMAProDecodeCtx *s) { int i; - for (i = 0; i< s->channels_for_cur_subframe; i++) { + for (i = 0; i < s->channels_for_cur_subframe; i++) { int c = s->channel_indexes_for_cur_subframe[i]; float* window; int winlen = s->channel[c].prev_block_len; float* start = s->channel[c].coeffs - (winlen >> 1); if (s->subframe_len < winlen) { - start += (winlen - s->subframe_len)>>1; + start += (winlen - s->subframe_len) >> 1; winlen = s->subframe_len; } - window = s->windows[av_log2(winlen)-BLOCK_MIN_BITS]; + window = s->windows[av_log2(winlen) - BLOCK_MIN_BITS]; winlen >>= 1; @@ -1047,7 +1048,7 @@ static int decode_subframe(WMAProDecodeCtx *s) } dprintf(s->avctx, - "processing subframe with offset %i len %i\n", offset, subframe_len); + "processing subframe with offset %i len %i\n", offset, subframe_len); /** get a list of all channels that contain the estimated block */ s->channels_for_cur_subframe = 0; @@ -1058,7 +1059,7 @@ static int decode_subframe(WMAProDecodeCtx *s) /** and count if there are multiple subframes that match our profile */ if (offset == s->channel[i].decoded_samples && - subframe_len == s->channel[i].subframe_len[cur_subframe]) { + subframe_len == s->channel[i].subframe_len[cur_subframe]) { total_samples -= s->channel[i].subframe_len[cur_subframe]; s->channel[i].decoded_samples += s->channel[i].subframe_len[cur_subframe]; @@ -1074,7 +1075,7 @@ static int decode_subframe(WMAProDecodeCtx *s) dprintf(s->avctx, "subframe is part of %i channels\n", - s->channels_for_cur_subframe); + s->channels_for_cur_subframe); /** calculate number of scale factor bands and their offsets */ s->table_idx = av_log2(s->samples_per_frame/subframe_len); @@ -1086,7 +1087,7 @@ static int decode_subframe(WMAProDecodeCtx *s) for (i = 0; i < s->channels_for_cur_subframe; i++) { int c = s->channel_indexes_for_cur_subframe[i]; - s->channel[c].coeffs = &s->channel[c].out[(s->samples_per_frame>>1) + s->channel[c].coeffs = &s->channel[c].out[(s->samples_per_frame >> 1) + offset]; } @@ -1103,7 +1104,7 @@ static int decode_subframe(WMAProDecodeCtx *s) if (num_fill_bits >= 0) { if (get_bits_count(&s->gb) + num_fill_bits > s->num_saved_bits) { - av_log(s->avctx,AV_LOG_ERROR,"invalid number of fill bits\n"); + av_log(s->avctx, AV_LOG_ERROR, "invalid number of fill bits\n"); return AVERROR_INVALIDDATA; } @@ -1143,13 +1144,13 @@ static int decode_subframe(WMAProDecodeCtx *s) const int sign = (step == 31) - 1; int quant = 0; while (get_bits_count(&s->gb) + 5 < s->num_saved_bits && - (step = get_bits(&s->gb, 5)) == 31 ) { - quant += 31; + (step = get_bits(&s->gb, 5)) == 31) { + quant += 31; } quant_step += ((quant + step) ^ sign) - sign; } if (quant_step < 0) { - av_log(s->avctx,AV_LOG_DEBUG,"negative quant step\n"); + av_log(s->avctx, AV_LOG_DEBUG, "negative quant step\n"); } /** decode quantization step modifiers for every channel */ @@ -1163,8 +1164,7 @@ static int decode_subframe(WMAProDecodeCtx *s) s->channel[c].quant_step = quant_step; if (get_bits1(&s->gb)) { if (modifier_len) { - s->channel[c].quant_step += - get_bits(&s->gb, modifier_len) + 1; + s->channel[c].quant_step += get_bits(&s->gb, modifier_len) + 1; } else ++s->channel[c].quant_step; } @@ -1177,21 +1177,21 @@ static int decode_subframe(WMAProDecodeCtx *s) } dprintf(s->avctx, "BITSTREAM: subframe header length was %i\n", - get_bits_count(&s->gb) - s->subframe_offset); + get_bits_count(&s->gb) - s->subframe_offset); /** parse coefficients */ for (i = 0; i < s->channels_for_cur_subframe; i++) { int c = s->channel_indexes_for_cur_subframe[i]; if (s->channel[c].transmit_coefs && - get_bits_count(&s->gb) < s->num_saved_bits) { - decode_coeffs(s, c); + get_bits_count(&s->gb) < s->num_saved_bits) { + decode_coeffs(s, c); } else memset(s->channel[c].coeffs, 0, sizeof(*s->channel[c].coeffs) * subframe_len); } dprintf(s->avctx, "BITSTREAM: subframe length was %i\n", - get_bits_count(&s->gb) - s->subframe_offset); + get_bits_count(&s->gb) - s->subframe_offset); if (transmit_coeffs) { /** reconstruct the per channel data */ @@ -1219,7 +1219,7 @@ static int decode_subframe(WMAProDecodeCtx *s) } /** apply imdct (ff_imdct_half == DCTIV with reverse) */ - ff_imdct_half(&s->mdct_ctx[av_log2(subframe_len)-BLOCK_MIN_BITS], + ff_imdct_half(&s->mdct_ctx[av_log2(subframe_len) - BLOCK_MIN_BITS], s->channel[c].coeffs, s->tmp); } } @@ -1231,7 +1231,7 @@ static int decode_subframe(WMAProDecodeCtx *s) for (i = 0; i < s->channels_for_cur_subframe; i++) { int c = s->channel_indexes_for_cur_subframe[i]; if (s->channel[c].cur_subframe >= s->channel[c].num_subframes) { - av_log(s->avctx,AV_LOG_ERROR,"broken subframe\n"); + av_log(s->avctx, AV_LOG_ERROR, "broken subframe\n"); return AVERROR_INVALIDDATA; } ++s->channel[c].cur_subframe; @@ -1255,7 +1255,7 @@ static int decode_frame(WMAProDecodeCtx *s) /** check for potential output buffer overflow */ if (s->num_channels * s->samples_per_frame > s->samples_end - s->samples) { - av_log(s->avctx,AV_LOG_ERROR, + av_log(s->avctx, AV_LOG_ERROR, "not enough space for the output samples\n"); s->packet_loss = 1; return 0; @@ -1306,7 +1306,7 @@ static int decode_frame(WMAProDecodeCtx *s) } dprintf(s->avctx, "BITSTREAM: frame header length was %i\n", - get_bits_count(gb) - s->frame_offset); + get_bits_count(gb) - s->frame_offset); /** reset subframe states */ s->parsed_all_subframes = 0; @@ -1351,7 +1351,7 @@ static int decode_frame(WMAProDecodeCtx *s) if (len != (get_bits_count(gb) - s->frame_offset) + 2) { /** FIXME: not sure if this is always an error */ - av_log(s->avctx,AV_LOG_ERROR,"frame[%i] would have to skip %i bits\n", + av_log(s->avctx, AV_LOG_ERROR, "frame[%i] would have to skip %i bits\n", s->frame_num, len - (get_bits_count(gb) - s->frame_offset) - 1); s->packet_loss = 1; return 0; @@ -1373,7 +1373,7 @@ static int decode_frame(WMAProDecodeCtx *s) *@param gb bitstream reader context *@return remaining size in bits */ -static int remaining_bits(WMAProDecodeCtx *s, GetBitContext* gb) +static int remaining_bits(WMAProDecodeCtx *s, GetBitContext *gb) { return s->buf_bit_size - get_bits_count(gb); } @@ -1386,7 +1386,7 @@ static int remaining_bits(WMAProDecodeCtx *s, GetBitContext* gb) *@param append decides wether to reset the buffer or not */ static void save_bits(WMAProDecodeCtx *s, GetBitContext* gb, int len, - int append) + int append) { int buflen; @@ -1403,14 +1403,15 @@ static void save_bits(WMAProDecodeCtx *s, GetBitContext* gb, int len, buflen = (s->num_saved_bits + len + 8) >> 3; if (len <= 0 || buflen > MAX_FRAMESIZE) { - av_log_ask_for_sample(s->avctx, "input buffer too small\n"); - s->packet_loss = 1; - return; + av_log_ask_for_sample(s->avctx, "input buffer too small\n"); + s->packet_loss = 1; + return; } s->num_saved_bits += len; if (!append) { - ff_copy_bits(&s->pb, gb->buffer + (get_bits_count(gb) >> 3), s->num_saved_bits); + ff_copy_bits(&s->pb, gb->buffer + (get_bits_count(gb) >> 3), + s->num_saved_bits); } else { int align = 8 - (get_bits_count(gb) & 7); align = FFMIN(align, len); @@ -1421,8 +1422,8 @@ static void save_bits(WMAProDecodeCtx *s, GetBitContext* gb, int len, skip_bits_long(gb, len); { - PutBitContext tmp = s->pb; - flush_put_bits(&tmp); + PutBitContext tmp = s->pb; + flush_put_bits(&tmp); } init_get_bits(&s->gb, s->frame_data, s->num_saved_bits); @@ -1438,7 +1439,7 @@ static void save_bits(WMAProDecodeCtx *s, GetBitContext* gb, int len, *@return number of bytes that were read from the input buffer */ static int decode_packet(AVCodecContext *avctx, - void *data, int *data_size, AVPacket* avpkt) + void *data, int *data_size, AVPacket* avpkt) { GetBitContext gb; WMAProDecodeCtx *s = avctx->priv_data; @@ -1469,14 +1470,14 @@ static int decode_packet(AVCodecContext *avctx, /** get number of bits that need to be added to the previous frame */ num_bits_prev_frame = get_bits(&gb, s->log2_frame_size); dprintf(avctx, "packet[%d]: nbpf %x\n", avctx->frame_number, - num_bits_prev_frame); + num_bits_prev_frame); /** check for packet loss */ if (!s->packet_loss && - ((s->packet_sequence_number + 1)&0xF) != packet_sequence_number) { + ((s->packet_sequence_number + 1) & 0xF) != packet_sequence_number) { s->packet_loss = 1; av_log(avctx, AV_LOG_ERROR, "Packet loss detected! seq %x vs %x\n", - s->packet_sequence_number, packet_sequence_number); + s->packet_sequence_number, packet_sequence_number); } s->packet_sequence_number = packet_sequence_number; @@ -1485,24 +1486,24 @@ static int decode_packet(AVCodecContext *avctx, previous packet to create a full frame */ save_bits(s, &gb, num_bits_prev_frame, 1); dprintf(avctx, "accumulated %x bits of frame data\n", - s->num_saved_bits - s->frame_offset); + s->num_saved_bits - s->frame_offset); /** decode the cross packet frame if it is valid */ if (!s->packet_loss) decode_frame(s); } else if (s->num_saved_bits - s->frame_offset) { dprintf(avctx, "ignoring %x previously saved bits\n", - s->num_saved_bits - s->frame_offset); + s->num_saved_bits - s->frame_offset); } s->packet_loss = 0; /** decode the rest of the packet */ while (!s->packet_loss && more_frames && - remaining_bits(s, &gb) > s->log2_frame_size) { + remaining_bits(s, &gb) > s->log2_frame_size) { int frame_size = show_bits(&gb, s->log2_frame_size); /** there is enough data for a full frame */ - if (remaining_bits(s,&gb) >= frame_size && frame_size > 0) { + if (remaining_bits(s, &gb) >= frame_size && frame_size > 0) { save_bits(s, &gb, frame_size, 0); /** decode the frame */ @@ -1515,10 +1516,10 @@ static int decode_packet(AVCodecContext *avctx, more_frames = 0; } - if (!s->packet_loss && remaining_bits(s,&gb) > 0) { + if (!s->packet_loss && remaining_bits(s, &gb) > 0) { /** save the rest of the data so that it can be decoded with the next packet */ - save_bits(s, &gb, remaining_bits(s,&gb), 0); + save_bits(s, &gb, remaining_bits(s, &gb), 0); } *data_size = (int8_t *)s->samples - (int8_t *)data; |