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project window shows accurate timecodes now

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This commit is contained in:
itsmattkc
2018-07-20 01:10:56 +01:00
parent 590644ec1b
commit 4a6e261fe2
4 changed files with 19 additions and 8 deletions
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io/previewgenerator.cpp
+16 -4
View File
@@ -1,6 +1,7 @@
#include "previewgenerator.h"
#include "media.h"
#include "panels/viewer.h"
#include <QPainter>
#include <QPixmap>
@@ -22,6 +23,8 @@ PreviewGenerator::PreviewGenerator(QTreeWidgetItem* i, Media* m) : QThread(0), f
}
void PreviewGenerator::parse_media() {
bool contains_still_image = false;
// detect video/audio streams in file
for (int i=0;i<(int)fmt_ctx->nb_streams;i++) {
// Find the decoder for the video stream
@@ -37,11 +40,16 @@ void PreviewGenerator::parse_media() {
append = true;
}
if (fmt_ctx->streams[i]->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
bool infinite_length = (fmt_ctx->streams[i]->avg_frame_rate.den == 0);
if (fmt_ctx->streams[i]->avg_frame_rate.den == 0) { // source is LIKELY a still image
ms->infinite_length = true;
contains_still_image = true;
ms->video_frame_rate = 0;
} else {
ms->infinite_length = false;
ms->video_frame_rate = av_q2d(fmt_ctx->streams[i]->avg_frame_rate);
}
ms->video_width = fmt_ctx->streams[i]->codecpar->width;
ms->video_height = fmt_ctx->streams[i]->codecpar->height;
ms->video_frame_rate = (infinite_length) ? 0 : av_q2d(fmt_ctx->streams[i]->avg_frame_rate);
ms->infinite_length = infinite_length;
if (append) media->video_tracks.append(ms);
} else if (fmt_ctx->streams[i]->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
ms->audio_channels = fmt_ctx->streams[i]->codecpar->channels;
@@ -63,7 +71,11 @@ void PreviewGenerator::parse_media() {
emit set_icon(ICON_TYPE_VIDEO);
}
item->setText(1, QString::number(media->length));
if (!contains_still_image || media->audio_tracks.size() > 0) {
double frame_rate = 30;
if (!contains_still_image && media->video_tracks.size() > 0) frame_rate = media->video_tracks.at(0)->video_frame_rate;
item->setText(1, frame_to_timecode(media->get_length_in_frames(frame_rate), TIMECODE_DROP, frame_rate));
}
}
void PreviewGenerator::generate_waveform() {