[FFmpeg-devel] [PATCH 1/8] avcodec/argo: use pixel format provided by the demuxer

Zane van Iperen zane at zanevaniperen.com
Sun Jul 18 04:21:57 EEST 2021


But fall back to bits_per_raw_sample, in case we're with older
libavformat.

Signed-off-by: Zane van Iperen <zane at zanevaniperen.com>
---
 libavcodec/argo.c    | 21 ++++++++++++++-------
 libavcodec/version.h |  2 +-
 2 files changed, 15 insertions(+), 8 deletions(-)

diff --git a/libavcodec/argo.c b/libavcodec/argo.c
index 87c646f56c..9df5b8a8d3 100644
--- a/libavcodec/argo.c
+++ b/libavcodec/argo.c
@@ -676,13 +676,20 @@ static av_cold int decode_init(AVCodecContext *avctx)
 {
     ArgoContext *s = avctx->priv_data;
 
-    switch (avctx->bits_per_raw_sample) {
-    case  8: s->bpp = 1;
-             avctx->pix_fmt = AV_PIX_FMT_PAL8; break;
-    case 24: s->bpp = 4;
-             avctx->pix_fmt = AV_PIX_FMT_BGR0; break;
-    default: avpriv_request_sample(s, "depth == %u", avctx->bits_per_raw_sample);
-             return AVERROR_PATCHWELCOME;
+    if (avctx->pix_fmt == AV_PIX_FMT_NONE) {
+        /* For compat with older libavformat. */
+        switch (avctx->bits_per_raw_sample) {
+        case  8: s->bpp = 1;
+                avctx->pix_fmt = AV_PIX_FMT_PAL8; break;
+        case 24: s->bpp = 4;
+                avctx->pix_fmt = AV_PIX_FMT_BGR0; break;
+        default: avpriv_request_sample(s, "depth == %u", avctx->bits_per_raw_sample);
+                return AVERROR_PATCHWELCOME;
+        }
+    }
+
+    if (avctx->pix_fmt != AV_PIX_FMT_PAL8 && avctx->pix_fmt != AV_PIX_FMT_BGR0) {
+        return AVERROR_INVALIDDATA;
     }
 
     s->frame = av_frame_alloc();
diff --git a/libavcodec/version.h b/libavcodec/version.h
index c660f70669..91325ce4e7 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -29,7 +29,7 @@
 
 #define LIBAVCODEC_VERSION_MAJOR  59
 #define LIBAVCODEC_VERSION_MINOR   3
-#define LIBAVCODEC_VERSION_MICRO 101
+#define LIBAVCODEC_VERSION_MICRO 102
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
                                                LIBAVCODEC_VERSION_MINOR, \
-- 
2.31.1



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