[FFmpeg-devel] [PATCH v2 7/8] lavf: use new decode API

wm4 nfxjfg at googlemail.com
Wed Mar 23 14:02:14 CET 2016


---
 libavformat/utils.c | 29 ++++++++++++-----------------
 1 file changed, 12 insertions(+), 17 deletions(-)

diff --git a/libavformat/utils.c b/libavformat/utils.c
index 67d4d1b..c7b7969 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -2814,27 +2814,22 @@ static int try_decode_frame(AVFormatContext *s, AVStream *st, AVPacket *avpkt,
             (!st->codec_info_nb_frames &&
              (st->codec->codec->capabilities & AV_CODEC_CAP_CHANNEL_CONF)))) {
         got_picture = 0;
-        switch (st->codec->codec_type) {
-        case AVMEDIA_TYPE_VIDEO:
-            ret = avcodec_decode_video2(st->codec, frame,
-                                        &got_picture, &pkt);
-            break;
-        case AVMEDIA_TYPE_AUDIO:
-            ret = avcodec_decode_audio4(st->codec, frame, &got_picture, &pkt);
-            break;
-        case AVMEDIA_TYPE_SUBTITLE:
-            ret = avcodec_decode_subtitle2(st->codec, &subtitle,
-                                           &got_picture, &pkt);
-            ret = pkt.size;
-            break;
-        default:
-            break;
+        if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
+            st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
+            ret = avcodec_send_packet(st->codec, &pkt);
+            if (ret < 0 && ret != AVERROR(EAGAIN) && ret != AVERROR_EOF)
+                break;
+            if (ret >= 0)
+                pkt.size = 0;
+            ret = avcodec_receive_frame(st->codec, frame);
+            if (ret >= 0)
+                got_picture = 1;
+            if (ret == AVERROR(EAGAIN) || ret == AVERROR_EOF)
+                ret = 0;
         }
         if (ret >= 0) {
             if (got_picture)
                 st->nb_decoded_frames++;
-            pkt.data += ret;
-            pkt.size -= ret;
             ret       = got_picture;
         }
     }
-- 
2.8.0.rc3



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