rtsp: Make the rtsp flags avoptions set via a define

[ffmpeg] / libavcodec / mpc7.c

diff --git a/libavcodec/mpc7.c b/libavcodec/mpc7.c
index ac57f4a62aa1323986e1697abb6027991ce7a4c7..6f79c7b51e83aa0271a790dd9a7e87146d5afe7d 100644 (file)
--- a/libavcodec/mpc7.c
+++ b/libavcodec/mpc7.c
@@ -2,25 +2,25 @@
  * Musepack SV7 decoder
  * Copyright (c) 2006 Konstantin Shishkov
  *
- * This file is part of FFmpeg.
+ * This file is part of Libav.
  *
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 /**
- * @file libavcodec/mpc7.c Musepack SV7 decoder
+ * @file
  * MPEG Audio Layer 1/2 -like codec with frames of 1152 samples
  * divided into 32 subbands.
  */
@@ -29,7 +29,8 @@
 #include "avcodec.h"
 #include "get_bits.h"
 #include "dsputil.h"
-#include "mpegaudio.h"
+#include "mpegaudiodsp.h"
+#include "libavutil/audioconvert.h"
 
 #include "mpc.h"
 #include "mpc7data.h"
@@ -67,6 +68,7 @@ static av_cold int mpc7_decode_init(AVCodecContext * avctx)
     memset(c->oldDSCF, 0, sizeof(c->oldDSCF));
     av_lfg_init(&c->rnd, 0xDEADBEEF);
     dsputil_init(&c->dsp, avctx);
+    ff_mpadsp_init(&c->mpadsp);
     c->dsp.bswap_buf((uint32_t*)buf, (const uint32_t*)avctx->extradata, 4);
     ff_mpc_init();
     init_get_bits(&gb, buf, 128);
@@ -85,8 +87,8 @@ static av_cold int mpc7_decode_init(AVCodecContext * avctx)
             c->IS, c->MSS, c->gapless, c->lastframelen, c->maxbands);
     c->frames_to_skip = 0;
 
-    avctx->sample_fmt = SAMPLE_FMT_S16;
-    avctx->channel_layout = (avctx->channels==2) ? CH_LAYOUT_STEREO : CH_LAYOUT_MONO;
+    avctx->sample_fmt = AV_SAMPLE_FMT_S16;
+    avctx->channel_layout = (avctx->channels==2) ? AV_CH_LAYOUT_STEREO : AV_CH_LAYOUT_MONO;
 
     if(vlc_initialized) return 0;
     av_log(avctx, AV_LOG_DEBUG, "Initing VLC\n");
@@ -192,27 +194,35 @@ static int mpc7_decode_frame(AVCodecContext * avctx,
     MPCContext *c = avctx->priv_data;
     GetBitContext gb;
     uint8_t *bits;
-    int i, ch, t;
+    int i, ch;
     int mb = -1;
     Band *bands = c->bands;
-    int off;
+    int off, out_size;
     int bits_used, bits_avail;
 
     memset(bands, 0, sizeof(bands));
     if(buf_size <= 4){
         av_log(avctx, AV_LOG_ERROR, "Too small buffer passed (%i bytes)\n", buf_size);
+        return AVERROR(EINVAL);
+    }
+
+    out_size = (buf[1] ? c->lastframelen : MPC_FRAME_SIZE) * 4;
+    if (*data_size < out_size) {
+        av_log(avctx, AV_LOG_ERROR, "Output buffer is too small\n");
+        return AVERROR(EINVAL);
     }
 
     bits = av_malloc(((buf_size - 1) & ~3) + FF_INPUT_BUFFER_PADDING_SIZE);
     c->dsp.bswap_buf((uint32_t*)bits, (const uint32_t*)(buf + 4), (buf_size - 4) >> 2);
     init_get_bits(&gb, bits, (buf_size - 4)* 8);
-    skip_bits(&gb, buf[0]);
+    skip_bits_long(&gb, buf[0]);
 
     /* read subband indexes */
     for(i = 0; i <= c->maxbands; i++){
         for(ch = 0; ch < 2; ch++){
+            int t = 4;
             if(i) t = get_vlc2(&gb, hdr_vlc.table, MPC7_HDR_BITS, 1) - 5;
-            if(!i || (t == 4)) bands[i].res[ch] = get_bits(&gb, 4);
+            if(t == 4) bands[i].res[ch] = get_bits(&gb, 4);
             else bands[i].res[ch] = bands[i-1].res[ch] + t;
         }
 
@@ -259,7 +269,7 @@ static int mpc7_decode_frame(AVCodecContext * avctx,
         for(ch = 0; ch < 2; ch++)
             idx_to_quant(c, &gb, bands[i].res[ch], c->Q[ch] + off);
 
-    ff_mpc_dequantize_and_synth(c, mb, data);
+    ff_mpc_dequantize_and_synth(c, mb, data, 2);
 
     av_free(bits);
 
@@ -274,7 +284,7 @@ static int mpc7_decode_frame(AVCodecContext * avctx,
         *data_size = 0;
         return buf_size;
     }
-    *data_size = (buf[1] ? c->lastframelen : MPC_FRAME_SIZE) * 4;
+    *data_size = out_size;
 
     return buf_size;
 }
@@ -287,15 +297,13 @@ static void mpc7_decode_flush(AVCodecContext *avctx)
     c->frames_to_skip = 32;
 }
 
-AVCodec mpc7_decoder = {
-    "mpc7",
-    CODEC_TYPE_AUDIO,
-    CODEC_ID_MUSEPACK7,
-    sizeof(MPCContext),
-    mpc7_decode_init,
-    NULL,
-    NULL,
-    mpc7_decode_frame,
+AVCodec ff_mpc7_decoder = {
+    .name           = "mpc7",
+    .type           = AVMEDIA_TYPE_AUDIO,
+    .id             = CODEC_ID_MUSEPACK7,
+    .priv_data_size = sizeof(MPCContext),
+    .init           = mpc7_decode_init,
+    .decode         = mpc7_decode_frame,
     .flush = mpc7_decode_flush,
     .long_name = NULL_IF_CONFIG_SMALL("Musepack SV7"),
 };