X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fmace.c;h=ffa11ad80de7b9136c2b078dac287f611fb66b6a;hb=7d8f1158436c261d2d1657c33e731f9bec650c51;hp=9f8749110eeeaa5a95f15c0852f59e4331f6403e;hpb=70d9fb696393277247101da47e67d568a6aea4d9;p=ffmpeg

diff --git a/libavcodec/mace.c b/libavcodec/mace.c
index 9f8749110ee..ffa11ad80de 100644
--- a/libavcodec/mace.c
+++ b/libavcodec/mace.c
@@ -27,7 +27,7 @@
 #include "avcodec.h"
 
 /*
- * Adapted to ffmpeg by Francois Revol <revol@free.fr>
+ * Adapted to libavcodec by Francois Revol <revol@free.fr>
  * (removed 68k REG stuff, changed types, added some statics and consts,
  * libavcodec api, context stuff, interlaced stereo out).
  */
@@ -153,6 +153,7 @@ typedef struct ChannelData {
 } ChannelData;
 
 typedef struct MACEContext {
+    AVFrame frame;
     ChannelData chd[2];
 } MACEContext;
 
@@ -228,27 +229,35 @@ static void chomp6(ChannelData *chd, int16_t *output, uint8_t val,
 
 static av_cold int mace_decode_init(AVCodecContext * avctx)
 {
+    MACEContext *ctx = avctx->priv_data;
+
     if (avctx->channels > 2)
         return -1;
     avctx->sample_fmt = AV_SAMPLE_FMT_S16;
+
+    avcodec_get_frame_defaults(&ctx->frame);
+    avctx->coded_frame = &ctx->frame;
+
     return 0;
 }
 
-static int mace_decode_frame(AVCodecContext *avctx,
-                              void *data, int *data_size,
-                              AVPacket *avpkt)
+static int mace_decode_frame(AVCodecContext *avctx, void *data,
+                             int *got_frame_ptr, AVPacket *avpkt)
 {
     const uint8_t *buf = avpkt->data;
     int buf_size = avpkt->size;
-    int16_t *samples = data;
+    int16_t *samples;
     MACEContext *ctx = avctx->priv_data;
-    int i, j, k, l;
+    int i, j, k, l, ret;
     int is_mace3 = (avctx->codec_id == CODEC_ID_MACE3);
 
-    if (*data_size < (3 * buf_size << (2-is_mace3))) {
-        av_log(avctx, AV_LOG_ERROR, "Output buffer too small!\n");
-        return -1;
+    /* get output buffer */
+    ctx->frame.nb_samples = 3 * (buf_size << (1 - is_mace3)) / avctx->channels;
+    if ((ret = avctx->get_buffer(avctx, &ctx->frame)) < 0) {
+        av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
+        return ret;
     }
+    samples = (int16_t *)ctx->frame.data[0];
 
     for(i = 0; i < avctx->channels; i++) {
         int16_t *output = samples + i;
@@ -274,7 +283,8 @@ static int mace_decode_frame(AVCodecContext *avctx,
             }
     }
 
-    *data_size = 3 * buf_size << (2-is_mace3);
+    *got_frame_ptr   = 1;
+    *(AVFrame *)data = ctx->frame;
 
     return buf_size;
 }
@@ -286,6 +296,7 @@ AVCodec ff_mace3_decoder = {
     .priv_data_size = sizeof(MACEContext),
     .init           = mace_decode_init,
     .decode         = mace_decode_frame,
+    .capabilities   = CODEC_CAP_DR1,
     .long_name = NULL_IF_CONFIG_SMALL("MACE (Macintosh Audio Compression/Expansion) 3:1"),
 };
 
@@ -296,6 +307,7 @@ AVCodec ff_mace6_decoder = {
     .priv_data_size = sizeof(MACEContext),
     .init           = mace_decode_init,
     .decode         = mace_decode_frame,
+    .capabilities   = CODEC_CAP_DR1,
     .long_name = NULL_IF_CONFIG_SMALL("MACE (Macintosh Audio Compression/Expansion) 6:1"),
 };