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8e7f452022
third_party_ffmpeg/libavformat/dump.c
Michael Niedermayer 8e7f452022 avformat/dump: Fix integer overflow in av_dump_format() 
Fixes part of mozilla bug 1229167

Found-by: Tyson Smith
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2015-12-01 13:26:03 +01:00

563 lines
19 KiB
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/*
* Various pretty-printing functions for use within FFmpeg
* Copyright (c) 2000, 2001, 2002 Fabrice Bellard
*
* This file is part of FFmpeg.
*
* FFmpeg 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.
*
* FFmpeg 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 FFmpeg; 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/channel_layout.h"
#include "libavutil/display.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/log.h"
#include "libavutil/mathematics.h"
#include "libavutil/opt.h"
#include "libavutil/avstring.h"
#include "libavutil/replaygain.h"
#include "libavutil/stereo3d.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, const 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, const AVPacket *pkt, int dump_payload, const AVStream *st)
{
pkt_dump_internal(NULL, f, 0, pkt, dump_payload, st->time_base);
}
void av_pkt_dump_log2(void *avcl, int level, const AVPacket *pkt, int dump_payload,
const 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)
av_log(NULL, AV_LOG_INFO, "%1.4f %s", d, postfix);
else 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)) {
const char *p = tag->value;
av_log(ctx, AV_LOG_INFO,
"%s %-16s: ", indent, tag->key);
while (*p) {
char tmp[256];
size_t len = strcspn(p, "\x8\xa\xb\xc\xd");
av_strlcpy(tmp, p, FFMIN(sizeof(tmp), len+1));
av_log(ctx, AV_LOG_INFO, "%s", tmp);
p += len;
if (*p == 0xd) av_log(ctx, AV_LOG_INFO, " ");
if (*p == 0xa) av_log(ctx, AV_LOG_INFO, "\n%s %-16s: ", indent, "");
if (*p) p++;
}
av_log(ctx, AV_LOG_INFO, "\n");
}
}
}
/* param change side data*/
static void dump_paramchange(void *ctx, AVPacketSideData *sd)
{
int size = sd->size;
const uint8_t *data = sd->data;
uint32_t flags, channels, sample_rate, width, height;
uint64_t layout;
if (!data || sd->size < 4)
goto fail;
flags = AV_RL32(data);
data += 4;
size -= 4;
if (flags & AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_COUNT) {
if (size < 4)
goto fail;
channels = AV_RL32(data);
data += 4;
size -= 4;
av_log(ctx, AV_LOG_INFO, "channel count %"PRIu32", ", channels);
}
if (flags & AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_LAYOUT) {
if (size < 8)
goto fail;
layout = AV_RL64(data);
data += 8;
size -= 8;
av_log(ctx, AV_LOG_INFO,
"channel layout: %s, ", av_get_channel_name(layout));
}
if (flags & AV_SIDE_DATA_PARAM_CHANGE_SAMPLE_RATE) {
if (size < 4)
goto fail;
sample_rate = AV_RL32(data);
data += 4;
size -= 4;
av_log(ctx, AV_LOG_INFO, "sample_rate %"PRIu32", ", sample_rate);
}
if (flags & AV_SIDE_DATA_PARAM_CHANGE_DIMENSIONS) {
if (size < 8)
goto fail;
width = AV_RL32(data);
data += 4;
size -= 4;
height = AV_RL32(data);
data += 4;
size -= 4;
av_log(ctx, AV_LOG_INFO, "width %"PRIu32" height %"PRIu32, width, height);
}
return;
fail:
av_log(ctx, AV_LOG_INFO, "unknown param");
}
/* replaygain side data*/
static void print_gain(void *ctx, const char *str, int32_t gain)
{
av_log(ctx, AV_LOG_INFO, "%s - ", str);
if (gain == INT32_MIN)
av_log(ctx, AV_LOG_INFO, "unknown");
else
av_log(ctx, AV_LOG_INFO, "%f", gain / 100000.0f);
av_log(ctx, AV_LOG_INFO, ", ");
}
static void print_peak(void *ctx, const char *str, uint32_t peak)
{
av_log(ctx, AV_LOG_INFO, "%s - ", str);
if (!peak)
av_log(ctx, AV_LOG_INFO, "unknown");
else
av_log(ctx, AV_LOG_INFO, "%f", (float) peak / UINT32_MAX);
av_log(ctx, AV_LOG_INFO, ", ");
}
static void dump_replaygain(void *ctx, AVPacketSideData *sd)
{
AVReplayGain *rg;
if (sd->size < sizeof(*rg)) {
av_log(ctx, AV_LOG_INFO, "invalid data");
return;
}
rg = (AVReplayGain*)sd->data;
print_gain(ctx, "track gain", rg->track_gain);
print_peak(ctx, "track peak", rg->track_peak);
print_gain(ctx, "album gain", rg->album_gain);
print_peak(ctx, "album peak", rg->album_peak);
}
static void dump_stereo3d(void *ctx, AVPacketSideData *sd)
{
AVStereo3D *stereo;
if (sd->size < sizeof(*stereo)) {
av_log(ctx, AV_LOG_INFO, "invalid data");
return;
}
stereo = (AVStereo3D *)sd->data;
switch (stereo->type) {
case AV_STEREO3D_2D:
av_log(ctx, AV_LOG_INFO, "2D");
break;
case AV_STEREO3D_SIDEBYSIDE:
av_log(ctx, AV_LOG_INFO, "side by side");
break;
case AV_STEREO3D_TOPBOTTOM:
av_log(ctx, AV_LOG_INFO, "top and bottom");
break;
case AV_STEREO3D_FRAMESEQUENCE:
av_log(ctx, AV_LOG_INFO, "frame alternate");
break;
case AV_STEREO3D_CHECKERBOARD:
av_log(ctx, AV_LOG_INFO, "checkerboard");
break;
case AV_STEREO3D_LINES:
av_log(ctx, AV_LOG_INFO, "interleaved lines");
break;
case AV_STEREO3D_COLUMNS:
av_log(ctx, AV_LOG_INFO, "interleaved columns");
break;
case AV_STEREO3D_SIDEBYSIDE_QUINCUNX:
av_log(ctx, AV_LOG_INFO, "side by side (quincunx subsampling)");
break;
default:
av_log(ctx, AV_LOG_WARNING, "unknown");
break;
}
if (stereo->flags & AV_STEREO3D_FLAG_INVERT)
av_log(ctx, AV_LOG_INFO, " (inverted)");
}
static void dump_audioservicetype(void *ctx, AVPacketSideData *sd)
{
enum AVAudioServiceType *ast = (enum AVAudioServiceType *)sd->data;
if (sd->size < sizeof(*ast)) {
av_log(ctx, AV_LOG_INFO, "invalid data");
return;
}
switch (*ast) {
case AV_AUDIO_SERVICE_TYPE_MAIN:
av_log(ctx, AV_LOG_INFO, "main");
break;
case AV_AUDIO_SERVICE_TYPE_EFFECTS:
av_log(ctx, AV_LOG_INFO, "effects");
break;
case AV_AUDIO_SERVICE_TYPE_VISUALLY_IMPAIRED:
av_log(ctx, AV_LOG_INFO, "visually impaired");
break;
case AV_AUDIO_SERVICE_TYPE_HEARING_IMPAIRED:
av_log(ctx, AV_LOG_INFO, "hearing impaired");
break;
case AV_AUDIO_SERVICE_TYPE_DIALOGUE:
av_log(ctx, AV_LOG_INFO, "dialogue");
break;
case AV_AUDIO_SERVICE_TYPE_COMMENTARY:
av_log(ctx, AV_LOG_INFO, "comentary");
break;
case AV_AUDIO_SERVICE_TYPE_EMERGENCY:
av_log(ctx, AV_LOG_INFO, "emergency");
break;
case AV_AUDIO_SERVICE_TYPE_VOICE_OVER:
av_log(ctx, AV_LOG_INFO, "voice over");
break;
case AV_AUDIO_SERVICE_TYPE_KARAOKE:
av_log(ctx, AV_LOG_INFO, "karaoke");
break;
default:
av_log(ctx, AV_LOG_WARNING, "unknown");
break;
}
}
static void dump_sidedata(void *ctx, AVStream *st, const char *indent)
{
int i;
if (st->nb_side_data)
av_log(ctx, AV_LOG_INFO, "%sSide data:\n", indent);
for (i = 0; i < st->nb_side_data; i++) {
AVPacketSideData sd = st->side_data[i];
av_log(ctx, AV_LOG_INFO, "%s ", indent);
switch (sd.type) {
case AV_PKT_DATA_PALETTE:
av_log(ctx, AV_LOG_INFO, "palette");
break;
case AV_PKT_DATA_NEW_EXTRADATA:
av_log(ctx, AV_LOG_INFO, "new extradata");
break;
case AV_PKT_DATA_PARAM_CHANGE:
av_log(ctx, AV_LOG_INFO, "paramchange: ");
dump_paramchange(ctx, &sd);
break;
case AV_PKT_DATA_H263_MB_INFO:
av_log(ctx, AV_LOG_INFO, "h263 macroblock info");
break;
case AV_PKT_DATA_REPLAYGAIN:
av_log(ctx, AV_LOG_INFO, "replaygain: ");
dump_replaygain(ctx, &sd);
break;
case AV_PKT_DATA_DISPLAYMATRIX:
av_log(ctx, AV_LOG_INFO, "displaymatrix: rotation of %.2f degrees",
av_display_rotation_get((int32_t *)sd.data));
break;
case AV_PKT_DATA_STEREO3D:
av_log(ctx, AV_LOG_INFO, "stereo3d: ");
dump_stereo3d(ctx, &sd);
break;
case AV_PKT_DATA_AUDIO_SERVICE_TYPE:
av_log(ctx, AV_LOG_INFO, "audio service type: ");
dump_audioservicetype(ctx, &sd);
break;
case AV_PKT_DATA_QUALITY_STATS:
av_log(ctx, AV_LOG_INFO, "quality factor: %d, pict_type: %c", AV_RL32(sd.data), av_get_picture_type_char(sd.data[4]));
break;
default:
av_log(ctx, AV_LOG_WARNING,
"unknown side data type %d (%d bytes)", sd.type, sd.size);
break;
}
av_log(ctx, AV_LOG_INFO, "\n");
}
}
/* "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];
AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL, 0);
char *separator = ic->dump_separator;
char **codec_separator = av_opt_ptr(st->codec->av_class, st->codec, "dump_separator");
int use_format_separator = !*codec_separator;
if (use_format_separator)
*codec_separator = av_strdup(separator);
avcodec_string(buf, sizeof(buf), st->codec, is_output);
if (use_format_separator)
av_freep(codec_separator);
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, st->time_base.den);
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 * (int64_t)st->sample_aspect_ratio.num,
st->codec->height * (int64_t)st->sample_aspect_ratio.den,
1024 * 1024);
av_log(NULL, AV_LOG_INFO, ", SAR %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) {
int fps = st->avg_frame_rate.den && st->avg_frame_rate.num;
int tbr = st->r_frame_rate.den && st->r_frame_rate.num;
int tbn = st->time_base.den && st->time_base.num;
int tbc = st->codec->time_base.den && st->codec->time_base.num;
if (fps || tbr || tbn || tbc)
av_log(NULL, AV_LOG_INFO, "%s", separator);
if (fps)
print_fps(av_q2d(st->avg_frame_rate), tbr || tbn || tbc ? "fps, " : "fps");
if (tbr)
print_fps(av_q2d(st->r_frame_rate), tbn || tbc ? "tbr, " : "tbr");
if (tbn)
print_fps(1 / av_q2d(st->time_base), tbc ? "tbn, " : "tbn");
if (tbc)
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, " ");
dump_sidedata(NULL, st, " ");
}
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;
int64_t duration = ic->duration + (ic->duration <= INT64_MAX - 5000 ? 5000 : 0);
secs = duration / AV_TIME_BASE;
us = 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 = llabs(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, "%"PRId64" kb/s", (int64_t)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);
}
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