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[FFmpeg-devel,v2,2/2] cmdutils: dump supported hardware devices in print_codec()

Message ID 1527385090-25953-3-git-send-email-mypopydev@gmail.com
State Accepted
Commit 81b77e7bf16a754005a2af7e5cf35e2eefc91a39
Headers show

Commit Message

Jun Zhao May 27, 2018, 1:38 a.m. UTC 
dump the supported hardware devices for codec when use the command
like ./ffmpeg -h decoder=h264.

Signed-off-by: Jun Zhao <mypopydev@gmail.com>
---
 fftools/cmdutils.c | 11 +++++++++++
 1 file changed, 11 insertions(+)
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Patch

diff --git a/fftools/cmdutils.c b/fftools/cmdutils.c
index 70234b8..844f433 100644
--- a/fftools/cmdutils.c
+++ b/fftools/cmdutils.c
@@ -1444,6 +1444,17 @@  static void print_codec(const AVCodec *c)
         printf("\n");
     }
 
+    if (avcodec_get_hw_config(c, 0)) {
+        printf("    Supported hardware devices: ");
+        for (int i = 0;; i++) {
+            const AVCodecHWConfig *config = avcodec_get_hw_config(c, i);
+            if (!config)
+                break;
+            printf("%s ", av_hwdevice_get_type_name(config->device_type));
+        }
+        printf("\n");
+    }
+
     if (c->supported_framerates) {
         const AVRational *fps = c->supported_framerates;