From 732db80493440d188963cea27d822447925ab5ad Mon Sep 17 00:00:00 2001 From: Andre Noll Date: Fri, 26 Oct 2007 02:54:17 +0200 Subject: [PATCH] Rename instances of struct afh_info from "afi" to "afhi". --- aac_afh.c | 56 +++++++++++++++++++++---------------------- afh.h | 5 +--- mp3_afh.c | 72 +++++++++++++++++++++++++++---------------------------- ogg_afh.c | 44 +++++++++++++++++----------------- 4 files changed, 87 insertions(+), 90 deletions(-) diff --git a/aac_afh.c b/aac_afh.c index f679af29..e495bf14 100644 --- a/aac_afh.c +++ b/aac_afh.c @@ -42,7 +42,7 @@ static int aac_find_stsz(unsigned char *buf, size_t buflen, off_t *skip) return -E_STSZ; } -static ssize_t aac_compute_chunk_table(struct afh_info *afi, +static ssize_t aac_compute_chunk_table(struct afh_info *afhi, unsigned char *map, size_t numbytes) { int ret, i; @@ -52,37 +52,37 @@ static ssize_t aac_compute_chunk_table(struct afh_info *afi, ret = aac_find_stsz(map, numbytes, &skip); if (ret < 0) return ret; - afi->chunks_total = ret; - PARA_DEBUG_LOG("sz table has %lu entries\n", afi->chunks_total); - afi->chunk_table = para_malloc((afi->chunks_total + 1) * sizeof(size_t)); - for (i = 1; i <= afi->chunks_total; i++) { + afhi->chunks_total = ret; + PARA_DEBUG_LOG("sz table has %lu entries\n", afhi->chunks_total); + afhi->chunk_table = para_malloc((afhi->chunks_total + 1) * sizeof(size_t)); + for (i = 1; i <= afhi->chunks_total; i++) { if (skip + 4 > numbytes) break; sum += aac_read_int32(map + skip); - afi->chunk_table[i] = sum; + afhi->chunk_table[i] = sum; skip += 4; -// if (i < 10 || i + 10 > afi->chunks_total) -// PARA_DEBUG_LOG("offset #%d: %zu\n", i, afi->chunk_table[i]); +// if (i < 10 || i + 10 > afhi->chunks_total) +// PARA_DEBUG_LOG("offset #%d: %zu\n", i, afhi->chunk_table[i]); } return skip; } -static int aac_set_chunk_tv(struct afh_info *afi, +static int aac_set_chunk_tv(struct afh_info *afhi, mp4AudioSpecificConfig *mp4ASC, long unsigned *seconds) { float tmp = mp4ASC->sbr_present_flag == 1? 2047 : 1023; struct timeval total; - long unsigned ms = 1000.0 * afi->chunks_total * tmp + long unsigned ms = 1000.0 * afhi->chunks_total * tmp / mp4ASC->samplingFrequency; if (!mp4ASC->samplingFrequency) return -E_MP4ASC; - ms = 1000.0 * afi->chunks_total * tmp / mp4ASC->samplingFrequency; + ms = 1000.0 * afhi->chunks_total * tmp / mp4ASC->samplingFrequency; ms2tv(ms, &total); - tv_divide(afi->chunks_total, &total, &afi->chunk_tv); + tv_divide(afhi->chunks_total, &total, &afhi->chunk_tv); PARA_INFO_LOG("%luHz, %lus (%lu x %lums)\n", mp4ASC->samplingFrequency, ms / 1000, - afi->chunks_total, tv2ms(&afi->chunk_tv)); + afhi->chunks_total, tv2ms(&afhi->chunk_tv)); if (ms < 1000) return -E_MP4ASC; *seconds = ms / 1000; @@ -93,7 +93,7 @@ static int aac_set_chunk_tv(struct afh_info *afi, * Init m4a file and write some tech data to given pointers. */ static int aac_get_file_info(char *map, size_t numbytes, - struct afh_info *afi) + struct afh_info *afhi) { int i; size_t skip; @@ -119,32 +119,32 @@ static int aac_get_file_info(char *map, size_t numbytes, goto out; if (!mp4ASC.samplingFrequency) goto out; - ret = aac_compute_chunk_table(afi, umap, numbytes); + ret = aac_compute_chunk_table(afhi, umap, numbytes); if (ret < 0) goto out; skip = ret; - ret = aac_set_chunk_tv(afi, &mp4ASC, &afi->seconds_total); + ret = aac_set_chunk_tv(afhi, &mp4ASC, &afhi->seconds_total); if (ret < 0) goto out; ret = aac_find_entry_point(umap + skip, numbytes - skip, &skip); if (ret < 0) goto out; - afi->chunk_table[0] = ret; - for (i = 1; i<= afi->chunks_total; i++) - afi->chunk_table[i] += ret; - afi->channels = channels; - afi->frequency = rate; - ret = (afi->chunk_table[afi->chunks_total] - afi->chunk_table[0]) * 8; /* bits */ - ret += (channels * afi->seconds_total * 500); /* avoid rounding error */ - afi->bitrate = ret / (channels * afi->seconds_total * 1000); - sprintf(afi->info_string, "audio_file_info1:%lu x %lums, " + afhi->chunk_table[0] = ret; + for (i = 1; i<= afhi->chunks_total; i++) + afhi->chunk_table[i] += ret; + afhi->channels = channels; + afhi->frequency = rate; + ret = (afhi->chunk_table[afhi->chunks_total] - afhi->chunk_table[0]) * 8; /* bits */ + ret += (channels * afhi->seconds_total * 500); /* avoid rounding error */ + afhi->bitrate = ret / (channels * afhi->seconds_total * 1000); + sprintf(afhi->info_string, "audio_file_info1:%lu x %lums, " "%uHz, %d channel%s, %ukb/s\n" "audio_file_info2:\n" "audio_file_info3:\n", - afi->chunks_total, tv2ms(&afi->chunk_tv), - afi->frequency, channels, channels == 1? "" : "s", afi->bitrate + afhi->chunks_total, tv2ms(&afhi->chunk_tv), + afhi->frequency, channels, channels == 1? "" : "s", afhi->bitrate ); - tv_scale(20, &afi->chunk_tv, &afi->eof_tv); + tv_scale(20, &afhi->chunk_tv, &afhi->eof_tv); ret = 1; out: if (handle) diff --git a/afh.h b/afh.h index 52d50a91..1e37c9c3 100644 --- a/afh.h +++ b/afh.h @@ -26,10 +26,7 @@ /** size of the audio_file info string */ #define AUDIO_FILE_INFO_SIZE 256 -/** - * Audio format dependent information. Details vary between each audio format - * handler. - */ +/** Audio format dependent information. */ struct afh_info { /** The number of chunks this audio file contains. */ long unsigned chunks_total; diff --git a/mp3_afh.c b/mp3_afh.c index df7b85ee..ed55d7c0 100644 --- a/mp3_afh.c +++ b/mp3_afh.c @@ -134,19 +134,19 @@ static int frame_length(struct mp3header *header) + header->padding; } -static void write_info_str(struct afh_info *afi) +static void write_info_str(struct afh_info *afhi) { int v = mp3.id3_isvalid; - snprintf(afi->info_string, MMD_INFO_SIZE, + snprintf(afhi->info_string, MMD_INFO_SIZE, "audio_file_info1:%lu x %lums, %u kbit/s (%cbr) %i KHz %s\n" "audio_file_info2:%s, by %s\n" "audio_file_info3:A: %s, Y: %s, C: %s\n", - afi->chunks_total, - tv2ms(&afi->chunk_tv), - afi->bitrate, + afhi->chunks_total, + tv2ms(&afhi->chunk_tv), + afhi->bitrate, mp3.vbr? 'v' : 'c', - afi->frequency / 1000, + afhi->frequency / 1000, header_mode(&mp3.header), v && *mp3.id3.title? mp3.id3.title : "(title tag not set)", v && *mp3.id3.artist? mp3.id3.artist : "(artist tag not set)", @@ -317,7 +317,7 @@ static int find_valid_start(unsigned char *map, size_t numbytes, off_t *fpos) } static int mp3_read_info(unsigned char *map, size_t numbytes, - struct afh_info *afi) + struct afh_info *afhi) { long fl_avg = 0, freq_avg = 0, br_avg = 0; int ret, len = 0, old_br = -1; @@ -325,8 +325,8 @@ static int mp3_read_info(unsigned char *map, size_t numbytes, unsigned chunk_table_size = 1000; /* gets increased on demand */ off_t fpos = 0; - afi->chunks_total = 0; - afi->chunk_table = para_malloc(chunk_table_size * sizeof(size_t)); + afhi->chunks_total = 0; + afhi->chunk_table = para_malloc(chunk_table_size * sizeof(size_t)); mp3_get_id3(map, numbytes, &fpos); fpos = 0; mp3.vbr = 0; @@ -355,47 +355,47 @@ static int mp3_read_info(unsigned char *map, size_t numbytes, tv_add(&cct, &total_time, &tmp); total_time = tmp; //PARA_DEBUG_LOG("%s: br: %d, freq: %d, fl: %d, cct: %lu\n", __func__, br, freq, fl, cct.tv_usec); - if (afi->chunks_total >= chunk_table_size) { + if (afhi->chunks_total >= chunk_table_size) { chunk_table_size *= 2; - afi->chunk_table = para_realloc(afi->chunk_table, + afhi->chunk_table = para_realloc(afhi->chunk_table, chunk_table_size * sizeof(size_t)); } - afi->chunk_table[afi->chunks_total] = fpos; -// if (afi->chunks_total < 10 || !(afi->chunks_total % 1000)) -// PARA_INFO_LOG("chunk #%lu: %zd\n", afi->chunks_total, -// afi->chunk_table[afi->chunks_total]); - afi->chunks_total++; - if (afi->chunks_total == 1) { + afhi->chunk_table[afhi->chunks_total] = fpos; +// if (afhi->chunks_total < 10 || !(afhi->chunks_total % 1000)) +// PARA_INFO_LOG("chunk #%lu: %zd\n", afhi->chunks_total, +// afhi->chunk_table[afhi->chunks_total]); + afhi->chunks_total++; + if (afhi->chunks_total == 1) { freq_avg = freq; br_avg = br; old_br = br; fl_avg = fl; continue; } - freq_avg += ((long)freq - freq_avg) / ((long)afi->chunks_total + 1); - fl_avg += ((long)fl - fl_avg) / ((long)afi->chunks_total + 1); - br_avg += ((long)br - br_avg) / ((long)afi->chunks_total + 1); + freq_avg += ((long)freq - freq_avg) / ((long)afhi->chunks_total + 1); + fl_avg += ((long)fl - fl_avg) / ((long)afhi->chunks_total + 1); + br_avg += ((long)br - br_avg) / ((long)afhi->chunks_total + 1); if (old_br != br) mp3.vbr = 1; old_br = br; } ret = -E_MP3_INFO; - if (!afi->chunks_total || !freq_avg || !br_avg) + if (!afhi->chunks_total || !freq_avg || !br_avg) goto err_out; - afi->chunk_table[afi->chunks_total] = numbytes - 1; - afi->bitrate = br_avg; - afi->frequency = freq_avg; - afi->channels = header_channels(&mp3.header); - afi->seconds_total = (tv2ms(&total_time) + 500) / 1000; - tv_divide(afi->chunks_total, &total_time, &afi->chunk_tv); - PARA_DEBUG_LOG("%lu chunks, each %lums\n", afi->chunks_total, - tv2ms(&afi->chunk_tv)); - tv_scale(3, &afi->chunk_tv, &afi->eof_tv); - PARA_DEBUG_LOG("eof timeout: %lu\n", tv2ms(&afi->eof_tv)); + afhi->chunk_table[afhi->chunks_total] = numbytes - 1; + afhi->bitrate = br_avg; + afhi->frequency = freq_avg; + afhi->channels = header_channels(&mp3.header); + afhi->seconds_total = (tv2ms(&total_time) + 500) / 1000; + tv_divide(afhi->chunks_total, &total_time, &afhi->chunk_tv); + PARA_DEBUG_LOG("%lu chunks, each %lums\n", afhi->chunks_total, + tv2ms(&afhi->chunk_tv)); + tv_scale(3, &afhi->chunk_tv, &afhi->eof_tv); + PARA_DEBUG_LOG("eof timeout: %lu\n", tv2ms(&afhi->eof_tv)); return 1; err_out: PARA_ERROR_LOG("%s\n", PARA_STRERROR(-ret)); - free(afi->chunk_table); + free(afhi->chunk_table); return ret; } @@ -403,15 +403,15 @@ err_out: * Read mp3 information from audio file */ int mp3_get_file_info(char *map, size_t numbytes, - struct afh_info *afi) + struct afh_info *afhi) { int ret; - ret = mp3_read_info((unsigned char *)map, numbytes, afi); + ret = mp3_read_info((unsigned char *)map, numbytes, afhi); if (ret < 0) return ret; - write_info_str(afi); - if (afi->seconds_total < 2 || !afi->chunks_total) + write_info_str(afhi); + if (afhi->seconds_total < 2 || !afhi->chunks_total) return -E_MP3_INFO; return 1; } diff --git a/ogg_afh.c b/ogg_afh.c index f4f375cb..5611579a 100644 --- a/ogg_afh.c +++ b/ogg_afh.c @@ -112,7 +112,7 @@ static int ogg_open_callbacks(void *datasource, OggVorbis_File *vf, ov_callbacks } static int ogg_compute_header_len(char *map, size_t numbytes, - struct afh_info *afi) + struct afh_info *afhi) { int ret; size_t len = PARA_MIN(numbytes, CHUNK_SIZE); @@ -176,11 +176,11 @@ static int ogg_compute_header_len(char *map, size_t numbytes, ogg_stream_packetout(stream_in, &packet); ogg_stream_packetin(stream_out, &packet); - afi->header_len = 0; + afhi->header_len = 0; while (ogg_stream_flush(stream_out, &page)) - afi->header_len += page.body_len + page.header_len; - PARA_DEBUG_LOG("header_len = %d\n", afi->header_len); - afi->header_offset = 0; + afhi->header_len += page.body_len + page.header_len; + PARA_DEBUG_LOG("header_len = %d\n", afhi->header_len); + afhi->header_offset = 0; ret = 1; err2: ogg_stream_destroy(stream_in); @@ -198,7 +198,7 @@ err1: * CHUNK_TIME begins. Always successful. */ static long unsigned ogg_compute_chunk_table(OggVorbis_File *of, - struct afh_info *afi, long unsigned time_total) + struct afh_info *afhi, long unsigned time_total) { int i, ret, num; ssize_t max_chunk_len, pos = 0, min = 0, old_pos; @@ -209,8 +209,8 @@ static long unsigned ogg_compute_chunk_table(OggVorbis_File *of, num = time_total / chunk_time + 3; PARA_DEBUG_LOG("chunk time: %g allocating %d chunk pointers\n", chunk_time, num); - afi->chunk_table = para_malloc((num + 1) * sizeof(size_t)); - afi->chunk_table[0] = 0; + afhi->chunk_table = para_malloc((num + 1) * sizeof(size_t)); + afhi->chunk_table[0] = 0; max_chunk_len = 0; for (i = 1; ret <= num; i++) { ogg_int64_t diff; @@ -221,7 +221,7 @@ static long unsigned ogg_compute_chunk_table(OggVorbis_File *of, diff = pos - old_pos; max_chunk_len = PARA_MAX(max_chunk_len, diff); min = (i == 1)? diff : PARA_MIN(min, diff); - afi->chunk_table[i] = pos; + afhi->chunk_table[i] = pos; // if (i < 11 || !((i - 1) % 1000)|| i > num - 11) // PARA_DEBUG_LOG("chunk #%d: %g secs, pos: %zd, " // "size: %zd\n", i - 1, @@ -239,7 +239,7 @@ static long unsigned ogg_compute_chunk_table(OggVorbis_File *of, * Init oggvorbis file and write some tech data to given pointers. */ static int ogg_get_file_info(char *map, size_t numbytes, - struct afh_info *afi) + struct afh_info *afhi) { int ret; vorbis_info *vi; @@ -252,7 +252,7 @@ static int ogg_get_file_info(char *map, size_t numbytes, }; struct ogg_datasource ods = {.map = map, .numbytes = numbytes, .fpos = 0}; - ret = ogg_compute_header_len(map, numbytes, afi); + ret = ogg_compute_header_len(map, numbytes, afhi); if (ret < 0) return ret; ret = ogg_open_callbacks(&ods, &of, ovc); @@ -262,21 +262,21 @@ static int ogg_get_file_info(char *map, size_t numbytes, vi = ov_info(&of, 0); if (!vi) goto err; - afi->seconds_total = ov_time_total(&of, -1); - afi->frequency = vi->rate; - afi->bitrate = ov_bitrate(&of, 0) / 1000; - afi->channels = vi->channels; - afi->chunks_total = ogg_compute_chunk_table(&of, afi, afi->seconds_total); - sprintf(afi->info_string, "audio_file_info1:%lu x %lu, %ukHz, " + afhi->seconds_total = ov_time_total(&of, -1); + afhi->frequency = vi->rate; + afhi->bitrate = ov_bitrate(&of, 0) / 1000; + afhi->channels = vi->channels; + afhi->chunks_total = ogg_compute_chunk_table(&of, afhi, afhi->seconds_total); + sprintf(afhi->info_string, "audio_file_info1:%lu x %lu, %ukHz, " "%d channels, %ukbps\n" "audio_file_info2: \n" "audio_file_info3: \n", - afi->chunks_total, (long unsigned) (chunk_time * 1000 * 1000), - afi->frequency / 1000, vi->channels, afi->bitrate + afhi->chunks_total, (long unsigned) (chunk_time * 1000 * 1000), + afhi->frequency / 1000, vi->channels, afhi->bitrate ); - afi->chunk_tv.tv_sec = 0; - afi->chunk_tv.tv_usec = 250 * 1000; - tv_scale(3, &afi->chunk_tv, &afi->eof_tv); + afhi->chunk_tv.tv_sec = 0; + afhi->chunk_tv.tv_usec = 250 * 1000; + tv_scale(3, &afhi->chunk_tv, &afhi->eof_tv); ret = 1; err: ov_clear(&of); /* keeps the file open */ -- 2.39.5