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converted VideoCompressionHelper to singleton

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This commit is contained in:
davotoula
2025-09-23 11:28:09 +02:00
parent e5df870ace
commit ccc5d03d84
2 changed files with 39 additions and 42 deletions
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3
amethyst/src/main/java/com/vitorpamplona/amethyst/service/uploads/MediaCompressor.kt
View File

@@ -57,8 +57,7 @@ class MediaCompressor {
// branch into compression based on content type // branch into compression based on content type
return when { return when {
contentType?.startsWith("video", ignoreCase = true) == true -> { contentType?.startsWith("video", ignoreCase = true) == true -> {
val helper = VideoCompressionHelper() VideoCompressionHelper.compressVideo(uri, contentType, applicationContext, mediaQuality)
helper.compressVideo(uri, contentType, applicationContext, mediaQuality)
} }
contentType?.startsWith("image", ignoreCase = true) == true && contentType?.startsWith("image", ignoreCase = true) == true &&
!contentType.contains("gif") && !contentType.contains("gif") &&

78
amethyst/src/main/java/com/vitorpamplona/amethyst/service/uploads/VideoCompressionHelper.kt
View File

@@ -95,47 +95,45 @@ data class CompressionRule(
} }
} }
class VideoCompressionHelper { object VideoCompressionHelper {
companion object { private const val LOG_TAG = "VideoCompressionHelper"
private const val LOG_TAG = "VideoCompressionHelper"
private val compressionRules = private val compressionRules =
mapOf( mapOf(
CompressorQuality.LOW to CompressorQuality.LOW to
mapOf( mapOf(
VideoStandard.UHD_4K to CompressionRule(1280, 720, 2f, "4K→720p, 2Mbps"), VideoStandard.UHD_4K to CompressionRule(1280, 720, 2f, "4K→720p, 2Mbps"),
VideoStandard.QHD_1440P to CompressionRule(1280, 720, 2f, "1440p→720p, 2Mbps"), VideoStandard.QHD_1440P to CompressionRule(1280, 720, 2f, "1440p→720p, 2Mbps"),
VideoStandard.FHD_1080P to CompressionRule(854, 480, 1f, "1080p→480p, 1Mbps"), VideoStandard.FHD_1080P to CompressionRule(854, 480, 1f, "1080p→480p, 1Mbps"),
VideoStandard.HD_720P to CompressionRule(640, 360, 1f, "720p→360p, 1Mbps"), VideoStandard.HD_720P to CompressionRule(640, 360, 1f, "720p→360p, 1Mbps"),
VideoStandard.SD_480P to CompressionRule(426, 240, 1f, "480p→240p, 1Mbps"), VideoStandard.SD_480P to CompressionRule(426, 240, 1f, "480p→240p, 1Mbps"),
VideoStandard.NHD_360P to CompressionRule(426, 240, 0.3f, "360p→240p, 0.3Mbps"), VideoStandard.NHD_360P to CompressionRule(426, 240, 0.3f, "360p→240p, 0.3Mbps"),
VideoStandard.QVGA_240P to CompressionRule(320, 180, 0.2f, "240p→180p, 0.2Mbps"), VideoStandard.QVGA_240P to CompressionRule(320, 180, 0.2f, "240p→180p, 0.2Mbps"),
VideoStandard.UNKNOWN to CompressionRule(854, 480, 1f, "Low quality fallback, 1Mbps"), VideoStandard.UNKNOWN to CompressionRule(854, 480, 1f, "Low quality fallback, 1Mbps"),
), ),
CompressorQuality.MEDIUM to CompressorQuality.MEDIUM to
mapOf( mapOf(
VideoStandard.UHD_4K to CompressionRule(1920, 1080, 6f, "4K→1080p, 6Mbps"), VideoStandard.UHD_4K to CompressionRule(1920, 1080, 6f, "4K→1080p, 6Mbps"),
VideoStandard.QHD_1440P to CompressionRule(1920, 1080, 6f, "1440p→1080p, 6Mbps"), VideoStandard.QHD_1440P to CompressionRule(1920, 1080, 6f, "1440p→1080p, 6Mbps"),
VideoStandard.FHD_1080P to CompressionRule(1280, 720, 3f, "1080p→720p, 3Mbps"), VideoStandard.FHD_1080P to CompressionRule(1280, 720, 3f, "1080p→720p, 3Mbps"),
VideoStandard.HD_720P to CompressionRule(854, 480, 2f, "720p→480p, 2Mbps"), VideoStandard.HD_720P to CompressionRule(854, 480, 2f, "720p→480p, 2Mbps"),
VideoStandard.SD_480P to CompressionRule(640, 360, 1f, "480p→360p, 1Mbps"), VideoStandard.SD_480P to CompressionRule(640, 360, 1f, "480p→360p, 1Mbps"),
VideoStandard.NHD_360P to CompressionRule(426, 240, 0.5f, "360p→240p, 0.5Mbps"), VideoStandard.NHD_360P to CompressionRule(426, 240, 0.5f, "360p→240p, 0.5Mbps"),
VideoStandard.QVGA_240P to CompressionRule(320, 180, 0.3f, "240p→180p, 0.3Mbps"), VideoStandard.QVGA_240P to CompressionRule(320, 180, 0.3f, "240p→180p, 0.3Mbps"),
VideoStandard.UNKNOWN to CompressionRule(1280, 720, 2f, "Medium quality fallback, 2Mbps"), VideoStandard.UNKNOWN to CompressionRule(1280, 720, 2f, "Medium quality fallback, 2Mbps"),
), ),
CompressorQuality.HIGH to CompressorQuality.HIGH to
mapOf( mapOf(
VideoStandard.UHD_4K to CompressionRule(3840, 2160, 16f, "4K→4K, 16Mbps"), VideoStandard.UHD_4K to CompressionRule(3840, 2160, 16f, "4K→4K, 16Mbps"),
VideoStandard.QHD_1440P to CompressionRule(1920, 1080, 8f, "1440p→1080p, 8Mbps"), VideoStandard.QHD_1440P to CompressionRule(1920, 1080, 8f, "1440p→1080p, 8Mbps"),
VideoStandard.FHD_1080P to CompressionRule(1920, 1080, 6f, "1080p→1080p, 6Mbps"), VideoStandard.FHD_1080P to CompressionRule(1920, 1080, 6f, "1080p→1080p, 6Mbps"),
VideoStandard.HD_720P to CompressionRule(1280, 720, 3f, "720p→720p, 3Mbps"), VideoStandard.HD_720P to CompressionRule(1280, 720, 3f, "720p→720p, 3Mbps"),
VideoStandard.SD_480P to CompressionRule(854, 480, 2f, "480p→480p, 2Mbps"), VideoStandard.SD_480P to CompressionRule(854, 480, 2f, "480p→480p, 2Mbps"),
VideoStandard.NHD_360P to CompressionRule(640, 360, 1f, "360p→360p, 1Mbps"), VideoStandard.NHD_360P to CompressionRule(640, 360, 1f, "360p→360p, 1Mbps"),
VideoStandard.QVGA_240P to CompressionRule(426, 240, 0.5f, "240p→240p, 0.5Mbps"), VideoStandard.QVGA_240P to CompressionRule(426, 240, 0.5f, "240p→240p, 0.5Mbps"),
VideoStandard.UNKNOWN to CompressionRule(1920, 1080, 3f, "High quality fallback, 3Mbps"), VideoStandard.UNKNOWN to CompressionRule(1920, 1080, 3f, "High quality fallback, 3Mbps"),
), ),
) )
}
suspend fun compressVideo( suspend fun compressVideo(
uri: Uri, uri: Uri,