[FFmpeg-devel] [PATCH 06/50] avcodec/mpegvideo_enc: use av_packet_alloc() to allocate packets

[James Almer]

Signed-off-by: James Almer <jamrial at gmail.com>
---
 libavcodec/mpegvideo_enc.c | 23 +++++++++++++----------
 1 file changed, 13 insertions(+), 10 deletions(-)

diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c
index 34dcf8c313..411cadeae7 100644
--- a/libavcodec/mpegvideo_enc.c
+++ b/libavcodec/mpegvideo_enc.c
@@ -1366,23 +1366,20 @@ static int skip_check(MpegEncContext *s, Picture *p, Picture *ref)
     return 0;
 }
 
-static int encode_frame(AVCodecContext *c, AVFrame *frame)
+static int encode_frame(AVCodecContext *c, AVFrame *frame, AVPacket *pkt)
 {
-    AVPacket pkt = { 0 };
     int ret;
     int size = 0;
 
-    av_init_packet(&pkt);
-
     ret = avcodec_send_frame(c, frame);
     if (ret < 0)
         return ret;
 
     do {
-        ret = avcodec_receive_packet(c, &pkt);
+        ret = avcodec_receive_packet(c, pkt);
         if (ret >= 0) {
-            size += pkt.size;
-            av_packet_unref(&pkt);
+            size += pkt->size;
+            av_packet_unref(pkt);
         } else if (ret < 0 && ret != AVERROR(EAGAIN) && ret != AVERROR_EOF)
             return ret;
     } while (ret >= 0);
@@ -1448,6 +1445,7 @@ static int estimate_best_b_count(MpegEncContext *s)
 
     for (j = 0; j < s->max_b_frames + 1; j++) {
         AVCodecContext *c;
+        AVPacket *pkt;
         int64_t rd = 0;
 
         if (!s->input_picture[j])
@@ -1473,10 +1471,14 @@ static int estimate_best_b_count(MpegEncContext *s)
         if (ret < 0)
             goto fail;
 
+        pkt = av_packet_alloc();
+        if (!pkt)
+            goto fail;
+
         s->tmp_frames[0]->pict_type = AV_PICTURE_TYPE_I;
         s->tmp_frames[0]->quality   = 1 * FF_QP2LAMBDA;
 
-        out_size = encode_frame(c, s->tmp_frames[0]);
+        out_size = encode_frame(c, s->tmp_frames[0], pkt);
         if (out_size < 0) {
             ret = out_size;
             goto fail;
@@ -1491,7 +1493,7 @@ static int estimate_best_b_count(MpegEncContext *s)
                                      AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_B;
             s->tmp_frames[i + 1]->quality   = is_p ? p_lambda : b_lambda;
 
-            out_size = encode_frame(c, s->tmp_frames[i + 1]);
+            out_size = encode_frame(c, s->tmp_frames[i + 1], pkt);
             if (out_size < 0) {
                 ret = out_size;
                 goto fail;
@@ -1501,7 +1503,7 @@ static int estimate_best_b_count(MpegEncContext *s)
         }
 
         /* get the delayed frames */
-        out_size = encode_frame(c, NULL);
+        out_size = encode_frame(c, NULL, pkt);
         if (out_size < 0) {
             ret = out_size;
             goto fail;
@@ -1517,6 +1519,7 @@ static int estimate_best_b_count(MpegEncContext *s)
 
 fail:
         avcodec_free_context(&c);
+        av_packet_free(&pkt);
         if (ret < 0)
             return ret;
     }
-- 
2.30.0