[FFmpeg-devel] [PATCH 3/3] lavf/dump: use a writer.
Nicolas George
george at nsup.org
Fri Dec 27 15:24:27 EET 2019
Signed-off-by: Nicolas George <george at nsup.org>
---
libavformat/avformat.h | 21 +++
libavformat/dump.c | 297 +++++++++++++++++++++--------------------
2 files changed, 175 insertions(+), 143 deletions(-)
Note: I chose flags instead of is_output because I intent do add new flags
later, in particular AV_DUMP_FORMAT_NO_METADATA.
diff --git a/libavformat/avformat.h b/libavformat/avformat.h
index d4d9a3b06e..95a2c3ca33 100644
--- a/libavformat/avformat.h
+++ b/libavformat/avformat.h
@@ -317,6 +317,7 @@
#include "libavcodec/avcodec.h"
#include "libavutil/dict.h"
#include "libavutil/log.h"
+#include "libavutil/writer.h"
#include "avio.h"
#include "libavformat/version.h"
@@ -2894,6 +2895,26 @@ void av_dump_format(AVFormatContext *ic,
const char *url,
int is_output);
+/**
+ * Write detailed information about the input or output format, such as
+ * duration, bitrate, streams, container, programs, metadata, side data,
+ * codec and time base, to an AVWriter.
+ *
+ * @param wr the writer where the format should be written
+ * @param ic the context to analyze
+ * @param index index of the stream to dump information about
+ * @param url the URL to print, such as source or destination file
+ * @param flags formatting flags, see below
+ */
+void av_dump_format_to_writer(struct AVWriter wr,
+ AVFormatContext *ic, int index,
+ const char *url, unsigned flags);
+
+/**
+ * Flag to av_dump_format_to_writer():
+ * if set, the cotext is output; if unset, the context is input.
+ */
+#define AV_DUMP_FORMAT_IS_OUTPUT 1
#define AV_FRAME_FILENAME_FLAGS_MULTIPLE 1 ///< Allow multiple %d
diff --git a/libavformat/dump.c b/libavformat/dump.c
index fcf8bad63a..46ca9428b1 100644
--- a/libavformat/dump.c
+++ b/libavformat/dump.c
@@ -33,6 +33,7 @@
#include "libavutil/replaygain.h"
#include "libavutil/spherical.h"
#include "libavutil/stereo3d.h"
+#include "libavutil/writer.h"
#include "avformat.h"
@@ -117,47 +118,47 @@ void av_pkt_dump_log2(void *avcl, int level, const AVPacket *pkt, int dump_paylo
}
-static void print_fps(double d, const char *postfix)
+static void print_fps(AVWriter wr, double d, const char *postfix)
{
uint64_t v = lrintf(d * 100);
if (!v)
- av_log(NULL, AV_LOG_INFO, "%1.4f %s", d, postfix);
+ av_writer_printf(wr, "%1.4f %s", d, postfix);
else if (v % 100)
- av_log(NULL, AV_LOG_INFO, "%3.2f %s", d, postfix);
+ av_writer_printf(wr, "%3.2f %s", d, postfix);
else if (v % (100 * 1000))
- av_log(NULL, AV_LOG_INFO, "%1.0f %s", d, postfix);
+ av_writer_printf(wr, "%1.0f %s", d, postfix);
else
- av_log(NULL, AV_LOG_INFO, "%1.0fk %s", d / 1000, postfix);
+ av_writer_printf(wr, "%1.0fk %s", d / 1000, postfix);
}
-static void dump_metadata(void *ctx, AVDictionary *m, const char *indent)
+static void dump_metadata(AVWriter wr, 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);
+ av_writer_printf(wr, "%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,
+ av_writer_printf(wr,
"%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);
+ av_writer_printf(wr, "%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 == 0xd) av_writer_printf(wr, " ");
+ if (*p == 0xa) av_writer_printf(wr, "\n%s %-16s: ", indent, "");
if (*p) p++;
}
- av_log(ctx, AV_LOG_INFO, "\n");
+ av_writer_printf(wr, "\n");
}
}
}
/* param change side data*/
-static void dump_paramchange(void *ctx, AVPacketSideData *sd)
+static void dump_paramchange(AVWriter wr, AVPacketSideData *sd)
{
int size = sd->size;
const uint8_t *data = sd->data;
@@ -177,7 +178,7 @@ static void dump_paramchange(void *ctx, AVPacketSideData *sd)
channels = AV_RL32(data);
data += 4;
size -= 4;
- av_log(ctx, AV_LOG_INFO, "channel count %"PRIu32", ", channels);
+ av_writer_printf(wr, "channel count %"PRIu32", ", channels);
}
if (flags & AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_LAYOUT) {
if (size < 8)
@@ -185,7 +186,7 @@ static void dump_paramchange(void *ctx, AVPacketSideData *sd)
layout = AV_RL64(data);
data += 8;
size -= 8;
- av_log(ctx, AV_LOG_INFO,
+ av_writer_printf(wr,
"channel layout: %s, ", av_get_channel_name(layout));
}
if (flags & AV_SIDE_DATA_PARAM_CHANGE_SAMPLE_RATE) {
@@ -194,7 +195,7 @@ static void dump_paramchange(void *ctx, AVPacketSideData *sd)
sample_rate = AV_RL32(data);
data += 4;
size -= 4;
- av_log(ctx, AV_LOG_INFO, "sample_rate %"PRIu32", ", sample_rate);
+ av_writer_printf(wr, "sample_rate %"PRIu32", ", sample_rate);
}
if (flags & AV_SIDE_DATA_PARAM_CHANGE_DIMENSIONS) {
if (size < 8)
@@ -205,121 +206,121 @@ static void dump_paramchange(void *ctx, AVPacketSideData *sd)
height = AV_RL32(data);
data += 4;
size -= 4;
- av_log(ctx, AV_LOG_INFO, "width %"PRIu32" height %"PRIu32, width, height);
+ av_writer_printf(wr, "width %"PRIu32" height %"PRIu32, width, height);
}
return;
fail:
- av_log(ctx, AV_LOG_ERROR, "unknown param");
+ av_log_writer_log(wr, AV_LOG_ERROR, "unknown param");
}
/* replaygain side data*/
-static void print_gain(void *ctx, const char *str, int32_t gain)
+static void print_gain(AVWriter wr, const char *str, int32_t gain)
{
- av_log(ctx, AV_LOG_INFO, "%s - ", str);
+ av_writer_printf(wr, "%s - ", str);
if (gain == INT32_MIN)
- av_log(ctx, AV_LOG_INFO, "unknown");
+ av_writer_printf(wr, "unknown");
else
- av_log(ctx, AV_LOG_INFO, "%f", gain / 100000.0f);
- av_log(ctx, AV_LOG_INFO, ", ");
+ av_writer_printf(wr, "%f", gain / 100000.0f);
+ av_writer_printf(wr, ", ");
}
-static void print_peak(void *ctx, const char *str, uint32_t peak)
+static void print_peak(AVWriter wr, const char *str, uint32_t peak)
{
- av_log(ctx, AV_LOG_INFO, "%s - ", str);
+ av_writer_printf(wr, "%s - ", str);
if (!peak)
- av_log(ctx, AV_LOG_INFO, "unknown");
+ av_writer_printf(wr, "unknown");
else
- av_log(ctx, AV_LOG_INFO, "%f", (float) peak / UINT32_MAX);
- av_log(ctx, AV_LOG_INFO, ", ");
+ av_writer_printf(wr, "%f", (float) peak / UINT32_MAX);
+ av_writer_printf(wr, ", ");
}
-static void dump_replaygain(void *ctx, AVPacketSideData *sd)
+static void dump_replaygain(AVWriter wr, AVPacketSideData *sd)
{
AVReplayGain *rg;
if (sd->size < sizeof(*rg)) {
- av_log(ctx, AV_LOG_ERROR, "invalid data");
+ av_log_writer_log(wr, AV_LOG_ERROR, "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);
+ print_gain(wr, "track gain", rg->track_gain);
+ print_peak(wr, "track peak", rg->track_peak);
+ print_gain(wr, "album gain", rg->album_gain);
+ print_peak(wr, "album peak", rg->album_peak);
}
-static void dump_stereo3d(void *ctx, AVPacketSideData *sd)
+static void dump_stereo3d(AVWriter wr, AVPacketSideData *sd)
{
AVStereo3D *stereo;
if (sd->size < sizeof(*stereo)) {
- av_log(ctx, AV_LOG_ERROR, "invalid data");
+ av_log_writer_log(wr, AV_LOG_ERROR, "invalid data");
return;
}
stereo = (AVStereo3D *)sd->data;
- av_log(ctx, AV_LOG_INFO, "%s", av_stereo3d_type_name(stereo->type));
+ av_writer_printf(wr, "%s", av_stereo3d_type_name(stereo->type));
if (stereo->flags & AV_STEREO3D_FLAG_INVERT)
- av_log(ctx, AV_LOG_INFO, " (inverted)");
+ av_writer_printf(wr, " (inverted)");
}
-static void dump_audioservicetype(void *ctx, AVPacketSideData *sd)
+static void dump_audioservicetype(AVWriter wr, AVPacketSideData *sd)
{
enum AVAudioServiceType *ast = (enum AVAudioServiceType *)sd->data;
if (sd->size < sizeof(*ast)) {
- av_log(ctx, AV_LOG_ERROR, "invalid data");
+ av_log_writer_log(wr, AV_LOG_ERROR, "invalid data");
return;
}
switch (*ast) {
case AV_AUDIO_SERVICE_TYPE_MAIN:
- av_log(ctx, AV_LOG_INFO, "main");
+ av_writer_printf(wr, "main");
break;
case AV_AUDIO_SERVICE_TYPE_EFFECTS:
- av_log(ctx, AV_LOG_INFO, "effects");
+ av_writer_printf(wr, "effects");
break;
case AV_AUDIO_SERVICE_TYPE_VISUALLY_IMPAIRED:
- av_log(ctx, AV_LOG_INFO, "visually impaired");
+ av_writer_printf(wr, "visually impaired");
break;
case AV_AUDIO_SERVICE_TYPE_HEARING_IMPAIRED:
- av_log(ctx, AV_LOG_INFO, "hearing impaired");
+ av_writer_printf(wr, "hearing impaired");
break;
case AV_AUDIO_SERVICE_TYPE_DIALOGUE:
- av_log(ctx, AV_LOG_INFO, "dialogue");
+ av_writer_printf(wr, "dialogue");
break;
case AV_AUDIO_SERVICE_TYPE_COMMENTARY:
- av_log(ctx, AV_LOG_INFO, "commentary");
+ av_writer_printf(wr, "commentary");
break;
case AV_AUDIO_SERVICE_TYPE_EMERGENCY:
- av_log(ctx, AV_LOG_INFO, "emergency");
+ av_writer_printf(wr, "emergency");
break;
case AV_AUDIO_SERVICE_TYPE_VOICE_OVER:
- av_log(ctx, AV_LOG_INFO, "voice over");
+ av_writer_printf(wr, "voice over");
break;
case AV_AUDIO_SERVICE_TYPE_KARAOKE:
- av_log(ctx, AV_LOG_INFO, "karaoke");
+ av_writer_printf(wr, "karaoke");
break;
default:
- av_log(ctx, AV_LOG_WARNING, "unknown");
+ av_log_writer_log(wr, AV_LOG_WARNING, "unknown");
break;
}
}
-static void dump_cpb(void *ctx, AVPacketSideData *sd)
+static void dump_cpb(AVWriter wr, AVPacketSideData *sd)
{
AVCPBProperties *cpb = (AVCPBProperties *)sd->data;
if (sd->size < sizeof(*cpb)) {
- av_log(ctx, AV_LOG_ERROR, "invalid data");
+ av_log_writer_log(wr, AV_LOG_ERROR, "invalid data");
return;
}
- av_log(ctx, AV_LOG_INFO,
+ av_writer_printf(wr,
#if FF_API_UNSANITIZED_BITRATES
"bitrate max/min/avg: %d/%d/%d buffer size: %d ",
#else
@@ -328,14 +329,14 @@ static void dump_cpb(void *ctx, AVPacketSideData *sd)
cpb->max_bitrate, cpb->min_bitrate, cpb->avg_bitrate,
cpb->buffer_size);
if (cpb->vbv_delay == UINT64_MAX)
- av_log(ctx, AV_LOG_INFO, "vbv_delay: N/A");
+ av_writer_printf(wr, "vbv_delay: N/A");
else
- av_log(ctx, AV_LOG_INFO, "vbv_delay: %"PRIu64"", cpb->vbv_delay);
+ av_writer_printf(wr, "vbv_delay: %"PRIu64"", cpb->vbv_delay);
}
-static void dump_mastering_display_metadata(void *ctx, AVPacketSideData* sd) {
+static void dump_mastering_display_metadata(AVWriter wr, AVPacketSideData* sd) {
AVMasteringDisplayMetadata* metadata = (AVMasteringDisplayMetadata*)sd->data;
- av_log(ctx, AV_LOG_INFO, "Mastering Display Metadata, "
+ av_writer_printf(wr, "Mastering Display Metadata, "
"has_primaries:%d has_luminance:%d "
"r(%5.4f,%5.4f) g(%5.4f,%5.4f) b(%5.4f %5.4f) wp(%5.4f, %5.4f) "
"min_luminance=%f, max_luminance=%f",
@@ -350,114 +351,115 @@ static void dump_mastering_display_metadata(void *ctx, AVPacketSideData* sd) {
av_q2d(metadata->min_luminance), av_q2d(metadata->max_luminance));
}
-static void dump_content_light_metadata(void *ctx, AVPacketSideData* sd)
+static void dump_content_light_metadata(AVWriter wr, AVPacketSideData* sd)
{
AVContentLightMetadata* metadata = (AVContentLightMetadata*)sd->data;
- av_log(ctx, AV_LOG_INFO, "Content Light Level Metadata, "
+ av_writer_printf(wr, "Content Light Level Metadata, "
"MaxCLL=%d, MaxFALL=%d",
metadata->MaxCLL, metadata->MaxFALL);
}
-static void dump_spherical(void *ctx, AVCodecParameters *par, AVPacketSideData *sd)
+static void dump_spherical(AVWriter wr, AVCodecParameters *par, AVPacketSideData *sd)
{
AVSphericalMapping *spherical = (AVSphericalMapping *)sd->data;
double yaw, pitch, roll;
if (sd->size < sizeof(*spherical)) {
- av_log(ctx, AV_LOG_ERROR, "invalid data");
+ av_log_writer_log(wr, AV_LOG_ERROR, "invalid data");
return;
}
- av_log(ctx, AV_LOG_INFO, "%s ", av_spherical_projection_name(spherical->projection));
+ av_writer_printf(wr, "%s ", av_spherical_projection_name(spherical->projection));
yaw = ((double)spherical->yaw) / (1 << 16);
pitch = ((double)spherical->pitch) / (1 << 16);
roll = ((double)spherical->roll) / (1 << 16);
- av_log(ctx, AV_LOG_INFO, "(%f/%f/%f) ", yaw, pitch, roll);
+ av_writer_printf(wr, "(%f/%f/%f) ", yaw, pitch, roll);
if (spherical->projection == AV_SPHERICAL_EQUIRECTANGULAR_TILE) {
size_t l, t, r, b;
av_spherical_tile_bounds(spherical, par->width, par->height,
&l, &t, &r, &b);
- av_log(ctx, AV_LOG_INFO,
+ av_writer_printf(wr,
"[%"SIZE_SPECIFIER", %"SIZE_SPECIFIER", %"SIZE_SPECIFIER", %"SIZE_SPECIFIER"] ",
l, t, r, b);
} else if (spherical->projection == AV_SPHERICAL_CUBEMAP) {
- av_log(ctx, AV_LOG_INFO, "[pad %"PRIu32"] ", spherical->padding);
+ av_writer_printf(wr, "[pad %"PRIu32"] ", spherical->padding);
}
}
-static void dump_sidedata(void *ctx, AVStream *st, const char *indent)
+static void dump_sidedata(AVWriter wr, AVStream *st, const char *indent)
{
int i;
if (st->nb_side_data)
- av_log(ctx, AV_LOG_INFO, "%sSide data:\n", indent);
+ av_writer_printf(wr, "%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);
+ av_writer_printf(wr, "%s ", indent);
switch (sd.type) {
case AV_PKT_DATA_PALETTE:
- av_log(ctx, AV_LOG_INFO, "palette");
+ av_writer_printf(wr, "palette");
break;
case AV_PKT_DATA_NEW_EXTRADATA:
- av_log(ctx, AV_LOG_INFO, "new extradata");
+ av_writer_printf(wr, "new extradata");
break;
case AV_PKT_DATA_PARAM_CHANGE:
- av_log(ctx, AV_LOG_INFO, "paramchange: ");
- dump_paramchange(ctx, &sd);
+ av_writer_printf(wr, "paramchange: ");
+ dump_paramchange(wr, &sd);
break;
case AV_PKT_DATA_H263_MB_INFO:
- av_log(ctx, AV_LOG_INFO, "H.263 macroblock info");
+ av_writer_printf(wr, "H.263 macroblock info");
break;
case AV_PKT_DATA_REPLAYGAIN:
- av_log(ctx, AV_LOG_INFO, "replaygain: ");
- dump_replaygain(ctx, &sd);
+ av_writer_printf(wr, "replaygain: ");
+ dump_replaygain(wr, &sd);
break;
case AV_PKT_DATA_DISPLAYMATRIX:
- av_log(ctx, AV_LOG_INFO, "displaymatrix: rotation of %.2f degrees",
+ av_writer_printf(wr, "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);
+ av_writer_printf(wr, "stereo3d: ");
+ dump_stereo3d(wr, &sd);
break;
case AV_PKT_DATA_AUDIO_SERVICE_TYPE:
- av_log(ctx, AV_LOG_INFO, "audio service type: ");
- dump_audioservicetype(ctx, &sd);
+ av_writer_printf(wr, "audio service type: ");
+ dump_audioservicetype(wr, &sd);
break;
case AV_PKT_DATA_QUALITY_STATS:
- av_log(ctx, AV_LOG_INFO, "quality factor: %"PRId32", pict_type: %c",
+ av_writer_printf(wr, "quality factor: %"PRId32", pict_type: %c",
AV_RL32(sd.data), av_get_picture_type_char(sd.data[4]));
break;
case AV_PKT_DATA_CPB_PROPERTIES:
- av_log(ctx, AV_LOG_INFO, "cpb: ");
- dump_cpb(ctx, &sd);
+ av_writer_printf(wr, "cpb: ");
+ dump_cpb(wr, &sd);
break;
case AV_PKT_DATA_MASTERING_DISPLAY_METADATA:
- dump_mastering_display_metadata(ctx, &sd);
+ dump_mastering_display_metadata(wr, &sd);
break;
case AV_PKT_DATA_SPHERICAL:
- av_log(ctx, AV_LOG_INFO, "spherical: ");
- dump_spherical(ctx, st->codecpar, &sd);
+ av_writer_printf(wr, "spherical: ");
+ dump_spherical(wr, st->codecpar, &sd);
break;
case AV_PKT_DATA_CONTENT_LIGHT_LEVEL:
- dump_content_light_metadata(ctx, &sd);
+ dump_content_light_metadata(wr, &sd);
break;
default:
- av_log(ctx, AV_LOG_INFO,
+ av_writer_printf(wr,
"unknown side data type %d (%d bytes)", sd.type, sd.size);
break;
}
- av_log(ctx, AV_LOG_INFO, "\n");
+ av_writer_printf(wr, "\n");
}
}
/* "user interface" functions */
-static void dump_stream_format(AVFormatContext *ic, int i,
+static void dump_stream_format(AVWriter wr,
+ AVFormatContext *ic, int i,
int index, int is_output)
{
char buf[256];
@@ -493,17 +495,17 @@ FF_ENABLE_DEPRECATION_WARNINGS
avcodec_string(buf, sizeof(buf), avctx, is_output);
avcodec_free_context(&avctx);
- av_log(NULL, AV_LOG_INFO, " Stream #%d:%d", index, i);
+ av_writer_printf(wr, " 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);
+ av_writer_printf(wr, "[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,
+ av_writer_printf(wr, "(%s)", lang->value);
+ av_log_writer_log(wr, 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);
+ av_writer_printf(wr, ": %s", buf);
if (st->sample_aspect_ratio.num &&
av_cmp_q(st->sample_aspect_ratio, st->codecpar->sample_aspect_ratio)) {
@@ -512,7 +514,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
st->codecpar->width * (int64_t)st->sample_aspect_ratio.num,
st->codecpar->height * (int64_t)st->sample_aspect_ratio.den,
1024 * 1024);
- av_log(NULL, AV_LOG_INFO, ", SAR %d:%d DAR %d:%d",
+ av_writer_printf(wr, ", SAR %d:%d DAR %d:%d",
st->sample_aspect_ratio.num, st->sample_aspect_ratio.den,
display_aspect_ratio.num, display_aspect_ratio.den);
}
@@ -526,78 +528,80 @@ FF_DISABLE_DEPRECATION_WARNINGS
FF_ENABLE_DEPRECATION_WARNINGS
if (fps || tbr || tbn || tbc)
- av_log(NULL, AV_LOG_INFO, "%s", separator);
+ av_writer_printf(wr, "%s", separator);
if (fps)
- print_fps(av_q2d(st->avg_frame_rate), tbr || tbn || tbc ? "fps, " : "fps");
+ print_fps(wr, 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");
+ print_fps(wr, av_q2d(st->r_frame_rate), tbn || tbc ? "tbr, " : "tbr");
if (tbn)
- print_fps(1 / av_q2d(st->time_base), tbc ? "tbn, " : "tbn");
+ print_fps(wr, 1 / av_q2d(st->time_base), tbc ? "tbn, " : "tbn");
FF_DISABLE_DEPRECATION_WARNINGS
if (tbc)
- print_fps(1 / av_q2d(st->codec->time_base), "tbc");
+ print_fps(wr, 1 / av_q2d(st->codec->time_base), "tbc");
FF_ENABLE_DEPRECATION_WARNINGS
}
if (st->disposition & AV_DISPOSITION_DEFAULT)
- av_log(NULL, AV_LOG_INFO, " (default)");
+ av_writer_printf(wr, " (default)");
if (st->disposition & AV_DISPOSITION_DUB)
- av_log(NULL, AV_LOG_INFO, " (dub)");
+ av_writer_printf(wr, " (dub)");
if (st->disposition & AV_DISPOSITION_ORIGINAL)
- av_log(NULL, AV_LOG_INFO, " (original)");
+ av_writer_printf(wr, " (original)");
if (st->disposition & AV_DISPOSITION_COMMENT)
- av_log(NULL, AV_LOG_INFO, " (comment)");
+ av_writer_printf(wr, " (comment)");
if (st->disposition & AV_DISPOSITION_LYRICS)
- av_log(NULL, AV_LOG_INFO, " (lyrics)");
+ av_writer_printf(wr, " (lyrics)");
if (st->disposition & AV_DISPOSITION_KARAOKE)
- av_log(NULL, AV_LOG_INFO, " (karaoke)");
+ av_writer_printf(wr, " (karaoke)");
if (st->disposition & AV_DISPOSITION_FORCED)
- av_log(NULL, AV_LOG_INFO, " (forced)");
+ av_writer_printf(wr, " (forced)");
if (st->disposition & AV_DISPOSITION_HEARING_IMPAIRED)
- av_log(NULL, AV_LOG_INFO, " (hearing impaired)");
+ av_writer_printf(wr, " (hearing impaired)");
if (st->disposition & AV_DISPOSITION_VISUAL_IMPAIRED)
- av_log(NULL, AV_LOG_INFO, " (visual impaired)");
+ av_writer_printf(wr, " (visual impaired)");
if (st->disposition & AV_DISPOSITION_CLEAN_EFFECTS)
- av_log(NULL, AV_LOG_INFO, " (clean effects)");
+ av_writer_printf(wr, " (clean effects)");
if (st->disposition & AV_DISPOSITION_ATTACHED_PIC)
- av_log(NULL, AV_LOG_INFO, " (attached pic)");
+ av_writer_printf(wr, " (attached pic)");
if (st->disposition & AV_DISPOSITION_TIMED_THUMBNAILS)
- av_log(NULL, AV_LOG_INFO, " (timed thumbnails)");
+ av_writer_printf(wr, " (timed thumbnails)");
if (st->disposition & AV_DISPOSITION_CAPTIONS)
- av_log(NULL, AV_LOG_INFO, " (captions)");
+ av_writer_printf(wr, " (captions)");
if (st->disposition & AV_DISPOSITION_DESCRIPTIONS)
- av_log(NULL, AV_LOG_INFO, " (descriptions)");
+ av_writer_printf(wr, " (descriptions)");
if (st->disposition & AV_DISPOSITION_METADATA)
- av_log(NULL, AV_LOG_INFO, " (metadata)");
+ av_writer_printf(wr, " (metadata)");
if (st->disposition & AV_DISPOSITION_DEPENDENT)
- av_log(NULL, AV_LOG_INFO, " (dependent)");
+ av_writer_printf(wr, " (dependent)");
if (st->disposition & AV_DISPOSITION_STILL_IMAGE)
- av_log(NULL, AV_LOG_INFO, " (still image)");
- av_log(NULL, AV_LOG_INFO, "\n");
+ av_writer_printf(wr, " (still image)");
+ av_writer_printf(wr, "\n");
- dump_metadata(NULL, st->metadata, " ");
+ dump_metadata(wr, st->metadata, " ");
- dump_sidedata(NULL, st, " ");
+ dump_sidedata(wr, st, " ");
}
-void av_dump_format(AVFormatContext *ic, int index,
- const char *url, int is_output)
+void av_dump_format_to_writer(AVWriter wr,
+ AVFormatContext *ic, int index,
+ const char *url, unsigned flags)
{
+ int is_output = flags & AV_DUMP_FORMAT_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",
+ av_writer_printf(wr, "%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, " ");
+ dump_metadata(wr, ic->metadata, " ");
if (!is_output) {
- av_log(NULL, AV_LOG_INFO, " Duration: ");
+ av_writer_printf(wr, " Duration: ");
if (ic->duration != AV_NOPTS_VALUE) {
int hours, mins, secs, us;
int64_t duration = ic->duration + (ic->duration <= INT64_MAX - 5000 ? 5000 : 0);
@@ -607,38 +611,38 @@ void av_dump_format(AVFormatContext *ic, int index,
secs %= 60;
hours = mins / 60;
mins %= 60;
- av_log(NULL, AV_LOG_INFO, "%02d:%02d:%02d.%02d", hours, mins, secs,
+ av_writer_printf(wr, "%02d:%02d:%02d.%02d", hours, mins, secs,
(100 * us) / AV_TIME_BASE);
} else {
- av_log(NULL, AV_LOG_INFO, "N/A");
+ av_writer_printf(wr, "N/A");
}
if (ic->start_time != AV_NOPTS_VALUE) {
int secs, us;
- av_log(NULL, AV_LOG_INFO, ", start: ");
+ av_writer_printf(wr, ", start: ");
secs = llabs(ic->start_time / AV_TIME_BASE);
us = llabs(ic->start_time % AV_TIME_BASE);
- av_log(NULL, AV_LOG_INFO, "%s%d.%06d",
+ av_writer_printf(wr, "%s%d.%06d",
ic->start_time >= 0 ? "" : "-",
secs,
(int) av_rescale(us, 1000000, AV_TIME_BASE));
}
- av_log(NULL, AV_LOG_INFO, ", bitrate: ");
+ av_writer_printf(wr, ", bitrate: ");
if (ic->bit_rate)
- av_log(NULL, AV_LOG_INFO, "%"PRId64" kb/s", ic->bit_rate / 1000);
+ av_writer_printf(wr, "%"PRId64" kb/s", ic->bit_rate / 1000);
else
- av_log(NULL, AV_LOG_INFO, "N/A");
- av_log(NULL, AV_LOG_INFO, "\n");
+ av_writer_printf(wr, "N/A");
+ av_writer_printf(wr, "\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,
+ av_writer_printf(wr, " Chapter #%d:%d: ", index, i);
+ av_writer_printf(wr,
"start %f, ", ch->start * av_q2d(ch->time_base));
- av_log(NULL, AV_LOG_INFO,
+ av_writer_printf(wr,
"end %f\n", ch->end * av_q2d(ch->time_base));
- dump_metadata(NULL, ch->metadata, " ");
+ dump_metadata(wr, ch->metadata, " ");
}
if (ic->nb_programs) {
@@ -646,23 +650,30 @@ void av_dump_format(AVFormatContext *ic, int index,
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,
+ av_writer_printf(wr, " Program %d %s\n", ic->programs[j]->id,
name ? name->value : "");
- dump_metadata(NULL, ic->programs[j]->metadata, " ");
+ dump_metadata(wr, 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],
+ dump_stream_format(wr, 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");
+ av_writer_printf(wr, " No Program\n");
}
for (i = 0; i < ic->nb_streams; i++)
if (!printed[i])
- dump_stream_format(ic, i, index, is_output);
+ dump_stream_format(wr, ic, i, index, is_output);
av_free(printed);
}
+
+void av_dump_format(AVFormatContext *ic, int index,
+ const char *url, int is_output)
+{
+ av_dump_format_to_writer(av_log_writer(NULL), ic, index, url,
+ is_output ? AV_DUMP_FORMAT_IS_OUTPUT : 0);
+}
--
2.24.0
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