mirror of
https://gitee.com/openharmony/third_party_ffmpeg
synced 2024-11-24 11:49:48 +00:00
3f4edf0125
It makes more sense to print the timebase exactly as it is set. Also, this avoids a divide by zero when av_dump_format() is called on a format context before writing the header.
427 lines
14 KiB
C
427 lines
14 KiB
C
/*
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* Various pretty-printing functions for use within Libav
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*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include "libavutil/channel_layout.h"
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#include "libavutil/display.h"
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#include "libavutil/intreadwrite.h"
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#include "libavutil/log.h"
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#include "libavutil/mathematics.h"
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#include "libavutil/replaygain.h"
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#include "avformat.h"
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#define HEXDUMP_PRINT(...) \
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do { \
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if (!f) \
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av_log(avcl, level, __VA_ARGS__); \
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else \
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fprintf(f, __VA_ARGS__); \
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} while (0)
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static void hex_dump_internal(void *avcl, FILE *f, int level,
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const uint8_t *buf, int size)
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{
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int len, i, j, c;
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for (i = 0; i < size; i += 16) {
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len = size - i;
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if (len > 16)
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len = 16;
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HEXDUMP_PRINT("%08x ", i);
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for (j = 0; j < 16; j++) {
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if (j < len)
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HEXDUMP_PRINT(" %02x", buf[i + j]);
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else
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HEXDUMP_PRINT(" ");
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}
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HEXDUMP_PRINT(" ");
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for (j = 0; j < len; j++) {
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c = buf[i + j];
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if (c < ' ' || c > '~')
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c = '.';
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HEXDUMP_PRINT("%c", c);
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}
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HEXDUMP_PRINT("\n");
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}
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}
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void av_hex_dump(FILE *f, const uint8_t *buf, int size)
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{
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hex_dump_internal(NULL, f, 0, buf, size);
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}
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void av_hex_dump_log(void *avcl, int level, const uint8_t *buf, int size)
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{
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hex_dump_internal(avcl, NULL, level, buf, size);
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}
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static void pkt_dump_internal(void *avcl, FILE *f, int level, AVPacket *pkt,
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int dump_payload, AVRational time_base)
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{
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HEXDUMP_PRINT("stream #%d:\n", pkt->stream_index);
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HEXDUMP_PRINT(" keyframe=%d\n", (pkt->flags & AV_PKT_FLAG_KEY) != 0);
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HEXDUMP_PRINT(" duration=%0.3f\n", pkt->duration * av_q2d(time_base));
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/* DTS is _always_ valid after av_read_frame() */
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HEXDUMP_PRINT(" dts=");
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if (pkt->dts == AV_NOPTS_VALUE)
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HEXDUMP_PRINT("N/A");
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else
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HEXDUMP_PRINT("%0.3f", pkt->dts * av_q2d(time_base));
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/* PTS may not be known if B-frames are present. */
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HEXDUMP_PRINT(" pts=");
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if (pkt->pts == AV_NOPTS_VALUE)
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HEXDUMP_PRINT("N/A");
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else
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HEXDUMP_PRINT("%0.3f", pkt->pts * av_q2d(time_base));
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HEXDUMP_PRINT("\n");
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HEXDUMP_PRINT(" size=%d\n", pkt->size);
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if (dump_payload)
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av_hex_dump(f, pkt->data, pkt->size);
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}
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void av_pkt_dump2(FILE *f, AVPacket *pkt, int dump_payload, AVStream *st)
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{
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pkt_dump_internal(NULL, f, 0, pkt, dump_payload, st->time_base);
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}
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void av_pkt_dump_log2(void *avcl, int level, AVPacket *pkt, int dump_payload,
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AVStream *st)
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{
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pkt_dump_internal(avcl, NULL, level, pkt, dump_payload, st->time_base);
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}
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static void print_fps(double d, const char *postfix)
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{
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uint64_t v = lrintf(d * 100);
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if (v % 100)
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av_log(NULL, AV_LOG_INFO, ", %3.2f %s", d, postfix);
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else if (v % (100 * 1000))
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av_log(NULL, AV_LOG_INFO, ", %1.0f %s", d, postfix);
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else
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av_log(NULL, AV_LOG_INFO, ", %1.0fk %s", d / 1000, postfix);
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}
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static void dump_metadata(void *ctx, AVDictionary *m, const char *indent)
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{
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if (m && !(av_dict_count(m) == 1 && av_dict_get(m, "language", NULL, 0))) {
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AVDictionaryEntry *tag = NULL;
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av_log(ctx, AV_LOG_INFO, "%sMetadata:\n", indent);
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while ((tag = av_dict_get(m, "", tag, AV_DICT_IGNORE_SUFFIX)))
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if (strcmp("language", tag->key))
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av_log(ctx, AV_LOG_INFO,
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"%s %-16s: %s\n", indent, tag->key, tag->value);
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}
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}
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/* param change side data*/
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static void dump_paramchange(void *ctx, AVPacketSideData *sd)
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{
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int size = sd->size;
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const uint8_t *data = sd->data;
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uint32_t flags, channels, sample_rate, width, height;
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uint64_t layout;
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if (!data || sd->size < 4)
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goto fail;
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flags = AV_RL32(data);
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data += 4;
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size -= 4;
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if (flags & AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_COUNT) {
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if (size < 4)
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goto fail;
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channels = AV_RL32(data);
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data += 4;
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size -= 4;
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av_log(ctx, AV_LOG_INFO, "channel count %d, ", channels);
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}
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if (flags & AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_LAYOUT) {
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if (size < 8)
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goto fail;
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layout = AV_RL64(data);
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data += 8;
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size -= 8;
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av_log(ctx, AV_LOG_INFO,
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"channel layout: %s, ", av_get_channel_name(layout));
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}
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if (flags & AV_SIDE_DATA_PARAM_CHANGE_SAMPLE_RATE) {
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if (size < 4)
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goto fail;
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sample_rate = AV_RL32(data);
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data += 4;
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size -= 4;
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av_log(ctx, AV_LOG_INFO, "sample_rate %d, ", sample_rate);
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}
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if (flags & AV_SIDE_DATA_PARAM_CHANGE_DIMENSIONS) {
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if (size < 8)
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goto fail;
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width = AV_RL32(data);
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data += 4;
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size -= 4;
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height = AV_RL32(data);
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data += 4;
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size -= 4;
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av_log(ctx, AV_LOG_INFO, "width %d height %d", width, height);
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}
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return;
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fail:
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av_log(ctx, AV_LOG_INFO, "unknown param");
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}
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/* replaygain side data*/
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static void print_gain(void *ctx, const char *str, int32_t gain)
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{
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av_log(ctx, AV_LOG_INFO, "%s - ", str);
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if (gain == INT32_MIN)
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av_log(ctx, AV_LOG_INFO, "unknown");
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else
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av_log(ctx, AV_LOG_INFO, "%f", gain / 100000.0f);
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av_log(ctx, AV_LOG_INFO, ", ");
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}
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static void print_peak(void *ctx, const char *str, uint32_t peak)
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{
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av_log(ctx, AV_LOG_INFO, "%s - ", str);
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if (!peak)
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av_log(ctx, AV_LOG_INFO, "unknown");
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else
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av_log(ctx, AV_LOG_INFO, "%f", (float) peak / UINT32_MAX);
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av_log(ctx, AV_LOG_INFO, ", ");
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}
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static void dump_replaygain(void *ctx, AVPacketSideData *sd)
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{
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AVReplayGain *rg;
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if (sd->size < sizeof(*rg)) {
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av_log(ctx, AV_LOG_INFO, "invalid data");
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return;
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}
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rg = (AVReplayGain*)sd->data;
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print_gain(ctx, "track gain", rg->track_gain);
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print_peak(ctx, "track peak", rg->track_peak);
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print_gain(ctx, "album gain", rg->album_gain);
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print_peak(ctx, "album peak", rg->album_peak);
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}
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static void dump_sidedata(void *ctx, AVStream *st, const char *indent)
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{
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int i;
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if (st->nb_side_data)
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av_log(ctx, AV_LOG_INFO, "%sSide data:\n", indent);
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for (i = 0; i < st->nb_side_data; i++) {
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AVPacketSideData sd = st->side_data[i];
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av_log(ctx, AV_LOG_INFO, "%s ", indent);
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switch (sd.type) {
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case AV_PKT_DATA_PALETTE:
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av_log(ctx, AV_LOG_INFO, "palette");
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break;
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case AV_PKT_DATA_NEW_EXTRADATA:
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av_log(ctx, AV_LOG_INFO, "new extradata");
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break;
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case AV_PKT_DATA_PARAM_CHANGE:
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av_log(ctx, AV_LOG_INFO, "paramchange: ");
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dump_paramchange(ctx, &sd);
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break;
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case AV_PKT_DATA_H263_MB_INFO:
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av_log(ctx, AV_LOG_INFO, "h263 macroblock info");
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break;
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case AV_PKT_DATA_REPLAYGAIN:
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av_log(ctx, AV_LOG_INFO, "replaygain: ");
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dump_replaygain(ctx, &sd);
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break;
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case AV_PKT_DATA_DISPLAYMATRIX:
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av_log(ctx, AV_LOG_INFO, "displaymatrix: rotation of %.2f degrees",
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av_display_rotation_get((int32_t *)sd.data));
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break;
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default:
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av_log(ctx, AV_LOG_WARNING,
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"unknown side data type %d (%d bytes)", sd.type, sd.size);
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break;
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}
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av_log(ctx, AV_LOG_INFO, "\n");
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}
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}
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/* "user interface" functions */
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static void dump_stream_format(AVFormatContext *ic, int i,
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int index, int is_output)
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{
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char buf[256];
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int flags = (is_output ? ic->oformat->flags : ic->iformat->flags);
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AVStream *st = ic->streams[i];
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AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL, 0);
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avcodec_string(buf, sizeof(buf), st->codec, is_output);
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av_log(NULL, AV_LOG_INFO, " Stream #%d.%d", index, i);
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/* the pid is an important information, so we display it */
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/* XXX: add a generic system */
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if (flags & AVFMT_SHOW_IDS)
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av_log(NULL, AV_LOG_INFO, "[0x%x]", st->id);
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if (lang)
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av_log(NULL, AV_LOG_INFO, "(%s)", lang->value);
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av_log(NULL, AV_LOG_DEBUG, ", %d, %d/%d", st->codec_info_nb_frames,
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st->time_base.num, st->time_base.den);
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av_log(NULL, AV_LOG_INFO, ": %s", buf);
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if (st->sample_aspect_ratio.num && // default
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av_cmp_q(st->sample_aspect_ratio, st->codec->sample_aspect_ratio)) {
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AVRational display_aspect_ratio;
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av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den,
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st->codec->width * st->sample_aspect_ratio.num,
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st->codec->height * st->sample_aspect_ratio.den,
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1024 * 1024);
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av_log(NULL, AV_LOG_INFO, ", PAR %d:%d DAR %d:%d",
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st->sample_aspect_ratio.num, st->sample_aspect_ratio.den,
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display_aspect_ratio.num, display_aspect_ratio.den);
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}
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if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
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if (st->avg_frame_rate.den && st->avg_frame_rate.num)
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print_fps(av_q2d(st->avg_frame_rate), "fps");
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if (st->time_base.den && st->time_base.num)
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print_fps(1 / av_q2d(st->time_base), "tbn");
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if (st->codec->time_base.den && st->codec->time_base.num)
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print_fps(1 / av_q2d(st->codec->time_base), "tbc");
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}
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if (st->disposition & AV_DISPOSITION_DEFAULT)
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av_log(NULL, AV_LOG_INFO, " (default)");
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if (st->disposition & AV_DISPOSITION_DUB)
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av_log(NULL, AV_LOG_INFO, " (dub)");
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if (st->disposition & AV_DISPOSITION_ORIGINAL)
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av_log(NULL, AV_LOG_INFO, " (original)");
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if (st->disposition & AV_DISPOSITION_COMMENT)
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av_log(NULL, AV_LOG_INFO, " (comment)");
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if (st->disposition & AV_DISPOSITION_LYRICS)
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av_log(NULL, AV_LOG_INFO, " (lyrics)");
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if (st->disposition & AV_DISPOSITION_KARAOKE)
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av_log(NULL, AV_LOG_INFO, " (karaoke)");
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if (st->disposition & AV_DISPOSITION_FORCED)
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av_log(NULL, AV_LOG_INFO, " (forced)");
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if (st->disposition & AV_DISPOSITION_HEARING_IMPAIRED)
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av_log(NULL, AV_LOG_INFO, " (hearing impaired)");
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if (st->disposition & AV_DISPOSITION_VISUAL_IMPAIRED)
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av_log(NULL, AV_LOG_INFO, " (visual impaired)");
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if (st->disposition & AV_DISPOSITION_CLEAN_EFFECTS)
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av_log(NULL, AV_LOG_INFO, " (clean effects)");
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av_log(NULL, AV_LOG_INFO, "\n");
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dump_metadata(NULL, st->metadata, " ");
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dump_sidedata(NULL, st, " ");
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}
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void av_dump_format(AVFormatContext *ic, int index,
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const char *url, int is_output)
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{
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int i;
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uint8_t *printed = ic->nb_streams ? av_mallocz(ic->nb_streams) : NULL;
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if (ic->nb_streams && !printed)
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return;
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av_log(NULL, AV_LOG_INFO, "%s #%d, %s, %s '%s':\n",
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is_output ? "Output" : "Input",
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index,
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is_output ? ic->oformat->name : ic->iformat->name,
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is_output ? "to" : "from", url);
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dump_metadata(NULL, ic->metadata, " ");
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if (!is_output) {
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av_log(NULL, AV_LOG_INFO, " Duration: ");
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if (ic->duration != AV_NOPTS_VALUE) {
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int hours, mins, secs, us;
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secs = ic->duration / AV_TIME_BASE;
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us = ic->duration % AV_TIME_BASE;
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mins = secs / 60;
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secs %= 60;
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hours = mins / 60;
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mins %= 60;
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av_log(NULL, AV_LOG_INFO, "%02d:%02d:%02d.%02d", hours, mins, secs,
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(100 * us) / AV_TIME_BASE);
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} else {
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av_log(NULL, AV_LOG_INFO, "N/A");
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}
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if (ic->start_time != AV_NOPTS_VALUE) {
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int secs, us;
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av_log(NULL, AV_LOG_INFO, ", start: ");
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secs = ic->start_time / AV_TIME_BASE;
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us = abs(ic->start_time % AV_TIME_BASE);
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av_log(NULL, AV_LOG_INFO, "%d.%06d",
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secs, (int) av_rescale(us, 1000000, AV_TIME_BASE));
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}
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av_log(NULL, AV_LOG_INFO, ", bitrate: ");
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if (ic->bit_rate)
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av_log(NULL, AV_LOG_INFO, "%d kb/s", ic->bit_rate / 1000);
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else
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av_log(NULL, AV_LOG_INFO, "N/A");
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av_log(NULL, AV_LOG_INFO, "\n");
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}
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for (i = 0; i < ic->nb_chapters; i++) {
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AVChapter *ch = ic->chapters[i];
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av_log(NULL, AV_LOG_INFO, " Chapter #%d.%d: ", index, i);
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av_log(NULL, AV_LOG_INFO,
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"start %f, ", ch->start * av_q2d(ch->time_base));
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av_log(NULL, AV_LOG_INFO,
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"end %f\n", ch->end * av_q2d(ch->time_base));
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dump_metadata(NULL, ch->metadata, " ");
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}
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if (ic->nb_programs) {
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int j, k, total = 0;
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for (j = 0; j < ic->nb_programs; j++) {
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AVDictionaryEntry *name = av_dict_get(ic->programs[j]->metadata,
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"name", NULL, 0);
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av_log(NULL, AV_LOG_INFO, " Program %d %s\n", ic->programs[j]->id,
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name ? name->value : "");
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dump_metadata(NULL, ic->programs[j]->metadata, " ");
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for (k = 0; k < ic->programs[j]->nb_stream_indexes; k++) {
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dump_stream_format(ic, ic->programs[j]->stream_index[k],
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index, is_output);
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printed[ic->programs[j]->stream_index[k]] = 1;
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}
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total += ic->programs[j]->nb_stream_indexes;
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}
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if (total < ic->nb_streams)
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av_log(NULL, AV_LOG_INFO, " No Program\n");
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}
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for (i = 0; i < ic->nb_streams; i++)
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if (!printed[i])
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dump_stream_format(ic, i, index, is_output);
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av_free(printed);
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}
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