Differences

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--- ffmpeg:conversions:convert_h264_to_h265 [2023/06/13 13:47] – peter
+++ ffmpeg:conversions:convert_h264_to_h265 [2023/11/01 21:23] (current) – peter
@@ Line 1: / Line 1: @@
 ====== ffmpeg - Conversions - Convert H264 to H265 ======
+===== Convert h.264 to h.265 (no change in resolution) =====
+<code bash>
+ffmpeg -i input.mp4 -c:v libx265 -vtag hvc1 -c:a copy output.mp4
+</code>
+----
 ===== Software Encoding =====
@@ Line 7: / Line 15: @@
 ffmpeg -i a.mp4 -c:v libx265 -map 0:v -c:a copy -map 0:a -c:s copy b.mkv
+ffmpeg -i a.mp4 -c:v libx265 -map 0:v -c:a copy -map 0:a? -c:s copy -map 0:s? b.mkv
 </code>
@@ Line 22: / Line 32: @@
 <code bash>
 ffmpeg -hwaccel vaapi -hwaccel_device /dev/dri/renderD128 -hwaccel_output_format vaapi -i a.mp4 -c:v hevc_vaapi a.mkv
+ffmpeg -hwaccel vaapi -hwaccel_device /dev/dri/renderD128 -hwaccel_output_format vaapi -i a.mp4 -c:v hevc_vaapi -map 0:v -c:a copy -map 0:a -c:s copy a.mkv
+ffmpeg -hwaccel vaapi -hwaccel_device /dev/dri/renderD128 -hwaccel_output_format vaapi -i a.mp4 -c:v hevc_vaapi -map 0:v -c:a copy -map 0:a? -c:s copy -map 0:s? a.mkv
 </code>
@@ Line 48: / Line 62: @@
 ----
+===== Keeping the output size low, similar to Software encoding =====
 <code bash>
@@ Line 79: / Line 96: @@
 ffmpeg -threads 16 -hwaccel vaapi -hwaccel_device /dev/dri/renderD128 -hwaccel_output_format vaapi -i a.mp4 -c:v hevc_vaapi c.mkv
 </code>
+----
+=== References ===
+https://trac.ffmpeg.org/wiki/Encode/H.265