avcodec: Constify AVCodecs

[ffmpeg] / libavcodec / libopenh264dec.c

diff --git a/libavcodec/libopenh264dec.c b/libavcodec/libopenh264dec.c
index 3acc3696da3b382cfa5ec56b0b00889235fe8c20..ea70a8e143ad6576b2dabd7490d047baaf228118 100644 (file)
--- a/libavcodec/libopenh264dec.c
+++ b/libavcodec/libopenh264dec.c
@@ -95,6 +95,9 @@ static int svc_decode_frame(AVCodecContext *avctx, void *data,
     int ret, linesize[3];
     AVFrame *avframe = data;
     DECODING_STATE state;
+#if OPENH264_VER_AT_LEAST(1, 7)
+    int opt;
+#endif
 
     if (!avpkt->data) {
 #if OPENH264_VER_AT_LEAST(1, 9)
@@ -106,10 +109,18 @@ static int svc_decode_frame(AVCodecContext *avctx, void *data,
 #endif
     } else {
         info.uiInBsTimeStamp = avpkt->pts;
+#if OPENH264_VER_AT_LEAST(1, 4)
+        // Contrary to the name, DecodeFrameNoDelay actually does buffering
+        // and reordering of frames, and is the recommended decoding entry
+        // point since 1.4. This is essential for successfully decoding
+        // B-frames.
+        state = (*s->decoder)->DecodeFrameNoDelay(s->decoder, avpkt->data, avpkt->size, ptrs, &info);
+#else
         state = (*s->decoder)->DecodeFrame2(s->decoder, avpkt->data, avpkt->size, ptrs, &info);
+#endif
     }
     if (state != dsErrorFree) {
-        av_log(avctx, AV_LOG_ERROR, "DecodeFrame2 failed\n");
+        av_log(avctx, AV_LOG_ERROR, "DecodeFrame failed\n");
         return AVERROR_UNKNOWN;
     }
     if (info.iBufferStatus != 1) {
@@ -133,17 +144,18 @@ static int svc_decode_frame(AVCodecContext *avctx, void *data,
 
     avframe->pts     = info.uiOutYuvTimeStamp;
     avframe->pkt_dts = AV_NOPTS_VALUE;
-#if FF_API_PKT_PTS
-FF_DISABLE_DEPRECATION_WARNINGS
-    avframe->pkt_pts = avpkt->pts;
-FF_ENABLE_DEPRECATION_WARNINGS
+#if OPENH264_VER_AT_LEAST(1, 7)
+    (*s->decoder)->GetOption(s->decoder, DECODER_OPTION_PROFILE, &opt);
+    avctx->profile = opt;
+    (*s->decoder)->GetOption(s->decoder, DECODER_OPTION_LEVEL, &opt);
+    avctx->level = opt;
 #endif
 
     *got_frame = 1;
     return avpkt->size;
 }
 
-AVCodec ff_libopenh264_decoder = {
+const AVCodec ff_libopenh264_decoder = {
     .name           = "libopenh264",
     .long_name      = NULL_IF_CONFIG_SMALL("OpenH264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10"),
     .type           = AVMEDIA_TYPE_VIDEO,