[FFmpeg-devel] [PATCH 1/2] avformat/dump: Use const where appropriate
Andreas Rheinhardt
andreas.rheinhardt at gmail.com
Tue Jun 30 16:09:08 EEST 2020
Also switch to using a pointer to access stream side data instead of
copying the stream's AVPacketSideData.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at gmail.com>
---
libavformat/dump.c | 91 ++++++++++++++++++++++++----------------------
1 file changed, 48 insertions(+), 43 deletions(-)
diff --git a/libavformat/dump.c b/libavformat/dump.c
index 117c68145c..3c76edfee4 100644
--- a/libavformat/dump.c
+++ b/libavformat/dump.c
@@ -131,10 +131,10 @@ static void print_fps(double d, const char *postfix)
av_log(NULL, AV_LOG_INFO, "%1.0fk %s", d / 1000, postfix);
}
-static void dump_metadata(void *ctx, AVDictionary *m, const char *indent)
+static void dump_metadata(void *ctx, const AVDictionary *m, const char *indent)
{
if (m && !(av_dict_count(m) == 1 && av_dict_get(m, "language", NULL, 0))) {
- AVDictionaryEntry *tag = NULL;
+ const AVDictionaryEntry *tag = NULL;
av_log(ctx, AV_LOG_INFO, "%sMetadata:\n", indent);
while ((tag = av_dict_get(m, "", tag, AV_DICT_IGNORE_SUFFIX)))
@@ -158,7 +158,7 @@ static void dump_metadata(void *ctx, AVDictionary *m, const char *indent)
}
/* param change side data*/
-static void dump_paramchange(void *ctx, AVPacketSideData *sd)
+static void dump_paramchange(void *ctx, const AVPacketSideData *sd)
{
int size = sd->size;
const uint8_t *data = sd->data;
@@ -235,15 +235,15 @@ static void print_peak(void *ctx, const char *str, uint32_t peak)
av_log(ctx, AV_LOG_INFO, ", ");
}
-static void dump_replaygain(void *ctx, AVPacketSideData *sd)
+static void dump_replaygain(void *ctx, const AVPacketSideData *sd)
{
- AVReplayGain *rg;
+ const AVReplayGain *rg;
if (sd->size < sizeof(*rg)) {
av_log(ctx, AV_LOG_ERROR, "invalid data");
return;
}
- rg = (AVReplayGain*)sd->data;
+ rg = (const AVReplayGain *)sd->data;
print_gain(ctx, "track gain", rg->track_gain);
print_peak(ctx, "track peak", rg->track_peak);
@@ -251,16 +251,16 @@ static void dump_replaygain(void *ctx, AVPacketSideData *sd)
print_peak(ctx, "album peak", rg->album_peak);
}
-static void dump_stereo3d(void *ctx, AVPacketSideData *sd)
+static void dump_stereo3d(void *ctx, const AVPacketSideData *sd)
{
- AVStereo3D *stereo;
+ const AVStereo3D *stereo;
if (sd->size < sizeof(*stereo)) {
av_log(ctx, AV_LOG_ERROR, "invalid data");
return;
}
- stereo = (AVStereo3D *)sd->data;
+ stereo = (const AVStereo3D *)sd->data;
av_log(ctx, AV_LOG_INFO, "%s", av_stereo3d_type_name(stereo->type));
@@ -268,9 +268,9 @@ static void dump_stereo3d(void *ctx, AVPacketSideData *sd)
av_log(ctx, AV_LOG_INFO, " (inverted)");
}
-static void dump_audioservicetype(void *ctx, AVPacketSideData *sd)
+static void dump_audioservicetype(void *ctx, const AVPacketSideData *sd)
{
- enum AVAudioServiceType *ast = (enum AVAudioServiceType *)sd->data;
+ const enum AVAudioServiceType *ast = (const enum AVAudioServiceType *)sd->data;
if (sd->size < sizeof(*ast)) {
av_log(ctx, AV_LOG_ERROR, "invalid data");
@@ -311,9 +311,9 @@ static void dump_audioservicetype(void *ctx, AVPacketSideData *sd)
}
}
-static void dump_cpb(void *ctx, AVPacketSideData *sd)
+static void dump_cpb(void *ctx, const AVPacketSideData *sd)
{
- AVCPBProperties *cpb = (AVCPBProperties *)sd->data;
+ const AVCPBProperties *cpb = (const AVCPBProperties *)sd->data;
if (sd->size < sizeof(*cpb)) {
av_log(ctx, AV_LOG_ERROR, "invalid data");
@@ -334,8 +334,10 @@ static void dump_cpb(void *ctx, AVPacketSideData *sd)
av_log(ctx, AV_LOG_INFO, "vbv_delay: %"PRIu64"", cpb->vbv_delay);
}
-static void dump_mastering_display_metadata(void *ctx, AVPacketSideData* sd) {
- AVMasteringDisplayMetadata* metadata = (AVMasteringDisplayMetadata*)sd->data;
+static void dump_mastering_display_metadata(void *ctx, const AVPacketSideData *sd)
+{
+ const AVMasteringDisplayMetadata *metadata =
+ (const AVMasteringDisplayMetadata *)sd->data;
av_log(ctx, AV_LOG_INFO, "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) "
@@ -351,17 +353,19 @@ 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(void *ctx, const AVPacketSideData *sd)
{
- AVContentLightMetadata* metadata = (AVContentLightMetadata*)sd->data;
+ const AVContentLightMetadata *metadata =
+ (const AVContentLightMetadata *)sd->data;
av_log(ctx, AV_LOG_INFO, "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(void *ctx, const AVCodecParameters *par,
+ const AVPacketSideData *sd)
{
- AVSphericalMapping *spherical = (AVSphericalMapping *)sd->data;
+ const AVSphericalMapping *spherical = (const AVSphericalMapping *)sd->data;
double yaw, pitch, roll;
if (sd->size < sizeof(*spherical)) {
@@ -388,9 +392,10 @@ static void dump_spherical(void *ctx, AVCodecParameters *par, AVPacketSideData *
}
}
-static void dump_dovi_conf(void *ctx, AVPacketSideData* sd)
+static void dump_dovi_conf(void *ctx, const AVPacketSideData *sd)
{
- AVDOVIDecoderConfigurationRecord *dovi = (AVDOVIDecoderConfigurationRecord *)sd->data;
+ const AVDOVIDecoderConfigurationRecord *dovi =
+ (const AVDOVIDecoderConfigurationRecord *)sd->data;
av_log(ctx, AV_LOG_INFO, "version: %d.%d, profile: %d, level: %d, "
"rpu flag: %d, el flag: %d, bl flag: %d, compatibility id: %d",
@@ -402,7 +407,7 @@ static void dump_dovi_conf(void *ctx, AVPacketSideData* sd)
dovi->dv_bl_signal_compatibility_id);
}
-static void dump_sidedata(void *ctx, AVStream *st, const char *indent)
+static void dump_sidedata(void *ctx, const AVStream *st, const char *indent)
{
int i;
@@ -410,10 +415,10 @@ static void dump_sidedata(void *ctx, AVStream *st, const char *indent)
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];
+ const AVPacketSideData *sd = &st->side_data[i];
av_log(ctx, AV_LOG_INFO, "%s ", indent);
- switch (sd.type) {
+ switch (sd->type) {
case AV_PKT_DATA_PALETTE:
av_log(ctx, AV_LOG_INFO, "palette");
break;
@@ -422,55 +427,55 @@ static void dump_sidedata(void *ctx, AVStream *st, const char *indent)
break;
case AV_PKT_DATA_PARAM_CHANGE:
av_log(ctx, AV_LOG_INFO, "paramchange: ");
- dump_paramchange(ctx, &sd);
+ dump_paramchange(ctx, sd);
break;
case AV_PKT_DATA_H263_MB_INFO:
av_log(ctx, AV_LOG_INFO, "H.263 macroblock info");
break;
case AV_PKT_DATA_REPLAYGAIN:
av_log(ctx, AV_LOG_INFO, "replaygain: ");
- dump_replaygain(ctx, &sd);
+ 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));
+ av_display_rotation_get((const int32_t *)sd->data));
break;
case AV_PKT_DATA_STEREO3D:
av_log(ctx, AV_LOG_INFO, "stereo3d: ");
- dump_stereo3d(ctx, &sd);
+ 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);
+ dump_audioservicetype(ctx, sd);
break;
case AV_PKT_DATA_QUALITY_STATS:
av_log(ctx, AV_LOG_INFO, "quality factor: %"PRId32", pict_type: %c",
- AV_RL32(sd.data), av_get_picture_type_char(sd.data[4]));
+ 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);
+ dump_cpb(ctx, sd);
break;
case AV_PKT_DATA_MASTERING_DISPLAY_METADATA:
- dump_mastering_display_metadata(ctx, &sd);
+ dump_mastering_display_metadata(ctx, sd);
break;
case AV_PKT_DATA_SPHERICAL:
av_log(ctx, AV_LOG_INFO, "spherical: ");
- dump_spherical(ctx, st->codecpar, &sd);
+ dump_spherical(ctx, st->codecpar, sd);
break;
case AV_PKT_DATA_CONTENT_LIGHT_LEVEL:
- dump_content_light_metadata(ctx, &sd);
+ dump_content_light_metadata(ctx, sd);
break;
case AV_PKT_DATA_ICC_PROFILE:
av_log(ctx, AV_LOG_INFO, "ICC Profile");
break;
case AV_PKT_DATA_DOVI_CONF:
av_log(ctx, AV_LOG_INFO, "DOVI configuration record: ");
- dump_dovi_conf(ctx, &sd);
+ dump_dovi_conf(ctx, sd);
break;
default:
av_log(ctx, AV_LOG_INFO,
- "unknown side data type %d (%d bytes)", sd.type, sd.size);
+ "unknown side data type %d (%d bytes)", sd->type, sd->size);
break;
}
@@ -479,14 +484,14 @@ static void dump_sidedata(void *ctx, AVStream *st, const char *indent)
}
/* "user interface" functions */
-static void dump_stream_format(AVFormatContext *ic, int i,
+static void dump_stream_format(const 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;
+ const AVStream *st = ic->streams[i];
+ const AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL, 0);
+ const char *separator = ic->dump_separator;
AVCodecContext *avctx;
int ret;
@@ -661,7 +666,7 @@ void av_dump_format(AVFormatContext *ic, int index,
}
for (i = 0; i < ic->nb_chapters; i++) {
- AVChapter *ch = ic->chapters[i];
+ const 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));
@@ -674,8 +679,8 @@ void av_dump_format(AVFormatContext *ic, int index,
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);
+ const 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, " ");
--
2.20.1
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