avcodec: Constify AVCodecs

[ffmpeg] / libavcodec / libxvid.c

diff --git a/libavcodec/libxvid.c b/libavcodec/libxvid.c
index cdaae2094e57fa02946b2c11eb9235831797a6f3..7ba709b1bce92c3ff2a4ed46c7ee8b0d81ec1999 100644 (file)
--- a/libavcodec/libxvid.c
+++ b/libavcodec/libxvid.c
@@ -40,8 +40,8 @@
 
 #include "avcodec.h"
 #include "internal.h"
-#include "libxvid.h"
 #include "mpegutils.h"
+#include "packet_internal.h"
 
 #if HAVE_UNISTD_H
 #include <unistd.h>
@@ -617,13 +617,6 @@ static av_cold int xvid_encode_init(AVCodecContext *avctx)
     x->intra_matrix =
     x->inter_matrix = NULL;
 
-#if FF_API_PRIVATE_OPT
-FF_DISABLE_DEPRECATION_WARNINGS
-    if (avctx->mpeg_quant)
-        x->mpeg_quant = avctx->mpeg_quant;
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
-
     if (x->mpeg_quant)
         x->vol_flags |= XVID_VOL_MPEGQUANT;
     if ((avctx->intra_matrix || avctx->inter_matrix)) {
@@ -684,17 +677,22 @@ FF_ENABLE_DEPRECATION_WARNINGS
     /* Encode a dummy frame to get the extradata immediately */
     if (x->quicktime_format) {
         AVFrame *picture;
-        AVPacket packet = {0};
-        int size, got_packet, ret;
+        AVPacket *packet;
+        int size, got_packet;
 
-        av_init_packet(&packet);
+        packet = av_packet_alloc();
+        if (!packet)
+            return AVERROR(ENOMEM);
 
         picture = av_frame_alloc();
-        if (!picture)
+        if (!picture) {
+            av_packet_free(&packet);
             return AVERROR(ENOMEM);
+        }
 
         xerr = xvid_encore(NULL, XVID_ENC_CREATE, &xvid_enc_create, NULL);
         if( xerr ) {
+            av_packet_free(&packet);
             av_frame_free(&picture);
             av_log(avctx, AV_LOG_ERROR, "Xvid: Could not create encoder reference\n");
             return AVERROR_EXTERNAL;
@@ -703,6 +701,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
         size = ((avctx->width + 1) & ~1) * ((avctx->height + 1) & ~1);
         picture->data[0] = av_malloc(size + size / 2);
         if (!picture->data[0]) {
+            av_packet_free(&packet);
             av_frame_free(&picture);
             return AVERROR(ENOMEM);
         }
@@ -710,9 +709,8 @@ FF_ENABLE_DEPRECATION_WARNINGS
         picture->data[2] = picture->data[1] + size / 4;
         memset(picture->data[0], 0, size);
         memset(picture->data[1], 128, size / 2);
-        ret = xvid_encode_frame(avctx, &packet, picture, &got_packet);
-        if (!ret && got_packet)
-            av_packet_unref(&packet);
+        xvid_encode_frame(avctx, packet, picture, &got_packet);
+        av_packet_free(&packet);
         av_free(picture->data[0]);
         av_frame_free(&picture);
         xvid_encore(x->encoder_handle, XVID_ENC_DESTROY, NULL, NULL);
@@ -733,7 +731,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
 static int xvid_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
                              const AVFrame *picture, int *got_packet)
 {
-    int xerr, i, ret, user_packet = !!pkt->data;
+    int xerr, i, ret;
     struct xvid_context *x = avctx->priv_data;
     int mb_width  = (avctx->width  + 15) / 16;
     int mb_height = (avctx->height + 15) / 16;
@@ -830,39 +828,19 @@ static int xvid_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
         else
             pict_type = AV_PICTURE_TYPE_I;
 
-#if FF_API_CODED_FRAME
-FF_DISABLE_DEPRECATION_WARNINGS
-        avctx->coded_frame->pict_type = pict_type;
-        avctx->coded_frame->quality = xvid_enc_stats.quant * FF_QP2LAMBDA;
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
-
         ff_side_data_set_encoder_stats(pkt, xvid_enc_stats.quant * FF_QP2LAMBDA, NULL, 0, pict_type);
 
         if (xvid_enc_frame.out_flags & XVID_KEYFRAME) {
-#if FF_API_CODED_FRAME
-FF_DISABLE_DEPRECATION_WARNINGS
-            avctx->coded_frame->key_frame = 1;
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
             pkt->flags  |= AV_PKT_FLAG_KEY;
             if (x->quicktime_format)
                 return xvid_strip_vol_header(avctx, pkt,
                                              xvid_enc_stats.hlength, xerr);
-        } else {
-#if FF_API_CODED_FRAME
-FF_DISABLE_DEPRECATION_WARNINGS
-            avctx->coded_frame->key_frame = 0;
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
         }
 
         pkt->size = xerr;
 
         return 0;
     } else {
-        if (!user_packet)
-            av_packet_unref(pkt);
         if (!xerr)
             return 0;
         av_log(avctx, AV_LOG_ERROR,
@@ -921,7 +899,7 @@ static const AVClass xvid_class = {
     .version    = LIBAVUTIL_VERSION_INT,
 };
 
-AVCodec ff_libxvid_encoder = {
+const AVCodec ff_libxvid_encoder = {
     .name           = "libxvid",
     .long_name      = NULL_IF_CONFIG_SMALL("libxvidcore MPEG-4 part 2"),
     .type           = AVMEDIA_TYPE_VIDEO,