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check if the stream contains mjpeg as codec_name, then treat media as audio #91

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check if the stream contains mjpeg as codec_name, then treat media as audio #91

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8fd08bd
check if the stream contains mjpeg as codec_name, then treat media as…
Rushi1109 Dec 23, 2024
2408253
fix typo in codec_name
Rushi1109 Dec 23, 2024
0fcceb5
used avg_frame_rate of video stream to detect if it is a static image
Rushi1109 Dec 24, 2024
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10 changes: 6 additions & 4 deletions MediaProcessor/src/Engine.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -65,9 +65,10 @@ bool Engine::processVideo() {

MediaType Engine::getMediaType() const {
const std::string command =
"ffprobe -loglevel error -show_entries stream=codec_type "
"-of default=noprint_wrappers=1:nokey=1 \"" +
m_mediaPath.string() + "\"";
"ffprobe -loglevel error -show_entries stream=codec_type,avg_frame_rate "
"-of default=noprint_wrappers=1:nokey=1 \"" +
m_mediaPath.string() +
"\" | awk 'BEGIN {last=\"\"} /audio/ {print; last=\"audio\"} /video/ {print; last=\"video\"} /^[0-9]+\\/[0-9]+$/ && last==\"video\" {print}'";

std::optional<std::string> output = Utils::runCommand(command, true);
if (!output || output->empty()) {
Expand All @@ -76,7 +77,8 @@ MediaType Engine::getMediaType() const {

std::string_view result = *output;
if (result.find("video") != std::string_view::npos) {
return MediaType::Video;
// check if the video stream avg_frame_rate is 0/0, which is actually a static image
return (result.find("0/0") != std::string_view::npos) ? MediaType::Audio : MediaType::Video;
} else if (result.find("audio") != std::string_view::npos) {
return MediaType::Audio;
} else {
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