diff options
Diffstat (limited to 'libavformat/dump.c')
| -rw-r--r-- | libavformat/dump.c | 284 |
1 files changed, 284 insertions, 0 deletions
diff --git a/libavformat/dump.c b/libavformat/dump.c new file mode 100644 index 0000000..ae285a3 --- /dev/null +++ b/libavformat/dump.c @@ -0,0 +1,284 @@ +/* + * Various pretty-printing functions for use within Libav + * + * This file is part of Libav. + * + * Libav is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * Libav is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <stdio.h> +#include <stdint.h> + +#include "libavutil/log.h" +#include "libavutil/mathematics.h" + +#include "avformat.h" + +#define HEXDUMP_PRINT(...) \ + do { \ + if (!f) \ + av_log(avcl, level, __VA_ARGS__); \ + else \ + fprintf(f, __VA_ARGS__); \ + } while (0) + +static void hex_dump_internal(void *avcl, FILE *f, int level, + const uint8_t *buf, int size) +{ + int len, i, j, c; + + for (i = 0; i < size; i += 16) { + len = size - i; + if (len > 16) + len = 16; + HEXDUMP_PRINT("%08x ", i); + for (j = 0; j < 16; j++) { + if (j < len) + HEXDUMP_PRINT(" %02x", buf[i + j]); + else + HEXDUMP_PRINT(" "); + } + HEXDUMP_PRINT(" "); + for (j = 0; j < len; j++) { + c = buf[i + j]; + if (c < ' ' || c > '~') + c = '.'; + HEXDUMP_PRINT("%c", c); + } + HEXDUMP_PRINT("\n"); + } +} + +void av_hex_dump(FILE *f, const uint8_t *buf, int size) +{ + hex_dump_internal(NULL, f, 0, buf, size); +} + +void av_hex_dump_log(void *avcl, int level, const uint8_t *buf, int size) +{ + hex_dump_internal(avcl, NULL, level, buf, size); +} + +static void pkt_dump_internal(void *avcl, FILE *f, int level, AVPacket *pkt, + int dump_payload, AVRational time_base) +{ + HEXDUMP_PRINT("stream #%d:\n", pkt->stream_index); + HEXDUMP_PRINT(" keyframe=%d\n", (pkt->flags & AV_PKT_FLAG_KEY) != 0); + HEXDUMP_PRINT(" duration=%0.3f\n", pkt->duration * av_q2d(time_base)); + /* DTS is _always_ valid after av_read_frame() */ + HEXDUMP_PRINT(" dts="); + if (pkt->dts == AV_NOPTS_VALUE) + HEXDUMP_PRINT("N/A"); + else + HEXDUMP_PRINT("%0.3f", pkt->dts * av_q2d(time_base)); + /* PTS may not be known if B-frames are present. */ + HEXDUMP_PRINT(" pts="); + if (pkt->pts == AV_NOPTS_VALUE) + HEXDUMP_PRINT("N/A"); + else + HEXDUMP_PRINT("%0.3f", pkt->pts * av_q2d(time_base)); + HEXDUMP_PRINT("\n"); + HEXDUMP_PRINT(" size=%d\n", pkt->size); + if (dump_payload) + av_hex_dump(f, pkt->data, pkt->size); +} + +void av_pkt_dump2(FILE *f, AVPacket *pkt, int dump_payload, AVStream *st) +{ + pkt_dump_internal(NULL, f, 0, pkt, dump_payload, st->time_base); +} + +void av_pkt_dump_log2(void *avcl, int level, AVPacket *pkt, int dump_payload, + AVStream *st) +{ + pkt_dump_internal(avcl, NULL, level, pkt, dump_payload, st->time_base); +} + + +static void print_fps(double d, const char *postfix) +{ + uint64_t v = lrintf(d * 100); + if (v % 100) + av_log(NULL, AV_LOG_INFO, ", %3.2f %s", d, postfix); + else if (v % (100 * 1000)) + av_log(NULL, AV_LOG_INFO, ", %1.0f %s", d, postfix); + else + av_log(NULL, AV_LOG_INFO, ", %1.0fk %s", d / 1000, postfix); +} + +static void dump_metadata(void *ctx, AVDictionary *m, const char *indent) +{ + if (m && !(av_dict_count(m) == 1 && av_dict_get(m, "language", NULL, 0))) { + AVDictionaryEntry *tag = NULL; + + av_log(ctx, AV_LOG_INFO, "%sMetadata:\n", indent); + while ((tag = av_dict_get(m, "", tag, AV_DICT_IGNORE_SUFFIX))) + if (strcmp("language", tag->key)) + av_log(ctx, AV_LOG_INFO, + "%s %-16s: %s\n", indent, tag->key, tag->value); + } +} + +/* "user interface" functions */ +static void dump_stream_format(AVFormatContext *ic, int i, + int index, int is_output) +{ + char buf[256]; + int flags = (is_output ? ic->oformat->flags : ic->iformat->flags); + AVStream *st = ic->streams[i]; + int g = av_gcd(st->time_base.num, st->time_base.den); + AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL, 0); + + avcodec_string(buf, sizeof(buf), st->codec, is_output); + av_log(NULL, AV_LOG_INFO, " Stream #%d.%d", index, i); + + /* the pid is an important information, so we display it */ + /* XXX: add a generic system */ + if (flags & AVFMT_SHOW_IDS) + av_log(NULL, AV_LOG_INFO, "[0x%x]", st->id); + if (lang) + av_log(NULL, AV_LOG_INFO, "(%s)", lang->value); + av_log(NULL, AV_LOG_DEBUG, ", %d, %d/%d", st->codec_info_nb_frames, + st->time_base.num / g, st->time_base.den / g); + av_log(NULL, AV_LOG_INFO, ": %s", buf); + + if (st->sample_aspect_ratio.num && // default + av_cmp_q(st->sample_aspect_ratio, st->codec->sample_aspect_ratio)) { + AVRational display_aspect_ratio; + av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den, + st->codec->width * st->sample_aspect_ratio.num, + st->codec->height * st->sample_aspect_ratio.den, + 1024 * 1024); + av_log(NULL, AV_LOG_INFO, ", PAR %d:%d DAR %d:%d", + st->sample_aspect_ratio.num, st->sample_aspect_ratio.den, + display_aspect_ratio.num, display_aspect_ratio.den); + } + + if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) { + if (st->avg_frame_rate.den && st->avg_frame_rate.num) + print_fps(av_q2d(st->avg_frame_rate), "fps"); + if (st->time_base.den && st->time_base.num) + print_fps(1 / av_q2d(st->time_base), "tbn"); + if (st->codec->time_base.den && st->codec->time_base.num) + print_fps(1 / av_q2d(st->codec->time_base), "tbc"); + } + + if (st->disposition & AV_DISPOSITION_DEFAULT) + av_log(NULL, AV_LOG_INFO, " (default)"); + if (st->disposition & AV_DISPOSITION_DUB) + av_log(NULL, AV_LOG_INFO, " (dub)"); + if (st->disposition & AV_DISPOSITION_ORIGINAL) + av_log(NULL, AV_LOG_INFO, " (original)"); + if (st->disposition & AV_DISPOSITION_COMMENT) + av_log(NULL, AV_LOG_INFO, " (comment)"); + if (st->disposition & AV_DISPOSITION_LYRICS) + av_log(NULL, AV_LOG_INFO, " (lyrics)"); + if (st->disposition & AV_DISPOSITION_KARAOKE) + av_log(NULL, AV_LOG_INFO, " (karaoke)"); + if (st->disposition & AV_DISPOSITION_FORCED) + av_log(NULL, AV_LOG_INFO, " (forced)"); + if (st->disposition & AV_DISPOSITION_HEARING_IMPAIRED) + av_log(NULL, AV_LOG_INFO, " (hearing impaired)"); + if (st->disposition & AV_DISPOSITION_VISUAL_IMPAIRED) + av_log(NULL, AV_LOG_INFO, " (visual impaired)"); + if (st->disposition & AV_DISPOSITION_CLEAN_EFFECTS) + av_log(NULL, AV_LOG_INFO, " (clean effects)"); + av_log(NULL, AV_LOG_INFO, "\n"); + + dump_metadata(NULL, st->metadata, " "); +} + +void av_dump_format(AVFormatContext *ic, int index, + const char *url, int is_output) +{ + int i; + uint8_t *printed = ic->nb_streams ? av_mallocz(ic->nb_streams) : NULL; + if (ic->nb_streams && !printed) + return; + + av_log(NULL, AV_LOG_INFO, "%s #%d, %s, %s '%s':\n", + is_output ? "Output" : "Input", + index, + is_output ? ic->oformat->name : ic->iformat->name, + is_output ? "to" : "from", url); + dump_metadata(NULL, ic->metadata, " "); + + if (!is_output) { + av_log(NULL, AV_LOG_INFO, " Duration: "); + if (ic->duration != AV_NOPTS_VALUE) { + int hours, mins, secs, us; + secs = ic->duration / AV_TIME_BASE; + us = ic->duration % AV_TIME_BASE; + mins = secs / 60; + secs %= 60; + hours = mins / 60; + mins %= 60; + av_log(NULL, AV_LOG_INFO, "%02d:%02d:%02d.%02d", hours, mins, secs, + (100 * us) / AV_TIME_BASE); + } else { + av_log(NULL, AV_LOG_INFO, "N/A"); + } + if (ic->start_time != AV_NOPTS_VALUE) { + int secs, us; + av_log(NULL, AV_LOG_INFO, ", start: "); + secs = ic->start_time / AV_TIME_BASE; + us = abs(ic->start_time % AV_TIME_BASE); + av_log(NULL, AV_LOG_INFO, "%d.%06d", + secs, (int) av_rescale(us, 1000000, AV_TIME_BASE)); + } + av_log(NULL, AV_LOG_INFO, ", bitrate: "); + if (ic->bit_rate) + av_log(NULL, AV_LOG_INFO, "%d kb/s", ic->bit_rate / 1000); + else + av_log(NULL, AV_LOG_INFO, "N/A"); + av_log(NULL, AV_LOG_INFO, "\n"); + } + + for (i = 0; i < ic->nb_chapters; i++) { + AVChapter *ch = ic->chapters[i]; + av_log(NULL, AV_LOG_INFO, " Chapter #%d.%d: ", index, i); + av_log(NULL, AV_LOG_INFO, + "start %f, ", ch->start * av_q2d(ch->time_base)); + av_log(NULL, AV_LOG_INFO, + "end %f\n", ch->end * av_q2d(ch->time_base)); + + dump_metadata(NULL, ch->metadata, " "); + } + + if (ic->nb_programs) { + int j, k, total = 0; + for (j = 0; j < ic->nb_programs; j++) { + AVDictionaryEntry *name = av_dict_get(ic->programs[j]->metadata, + "name", NULL, 0); + av_log(NULL, AV_LOG_INFO, " Program %d %s\n", ic->programs[j]->id, + name ? name->value : ""); + dump_metadata(NULL, ic->programs[j]->metadata, " "); + for (k = 0; k < ic->programs[j]->nb_stream_indexes; k++) { + dump_stream_format(ic, ic->programs[j]->stream_index[k], + index, is_output); + printed[ic->programs[j]->stream_index[k]] = 1; + } + total += ic->programs[j]->nb_stream_indexes; + } + if (total < ic->nb_streams) + av_log(NULL, AV_LOG_INFO, " No Program\n"); + } + + for (i = 0; i < ic->nb_streams; i++) + if (!printed[i]) + dump_stream_format(ic, i, index, is_output); + + av_free(printed); +} |
