avcodec: Drop long-deprecated imgconvert.h header

[ffmpeg] / libavcodec / mpc8.c

diff --git a/libavcodec/mpc8.c b/libavcodec/mpc8.c
index a126fc8a8fe58c41668ed44e52d8759223739efd..79225c4275289db7127f44c9a1239f65181896d6 100644 (file)
--- a/libavcodec/mpc8.c
+++ b/libavcodec/mpc8.c
@@ -118,7 +118,7 @@ static av_cold int mpc8_decode_init(AVCodecContext * avctx)
     }
     memset(c->oldDSCF, 0, sizeof(c->oldDSCF));
     av_lfg_init(&c->rnd, 0xDEADBEEF);
-    dsputil_init(&c->dsp, avctx);
+    ff_dsputil_init(&c->dsp, avctx);
     ff_mpadsp_init(&c->mpadsp);
 
     ff_mpc_init();
@@ -182,13 +182,13 @@ static av_cold int mpc8_decode_init(AVCodecContext * avctx)
 
     q3_vlc[0].table = q3_0_table;
     q3_vlc[0].table_allocated = 512;
-    init_vlc_sparse(&q3_vlc[0], MPC8_Q3_BITS, MPC8_Q3_SIZE,
+    ff_init_vlc_sparse(&q3_vlc[0], MPC8_Q3_BITS, MPC8_Q3_SIZE,
              mpc8_q3_bits,  1, 1,
              mpc8_q3_codes, 1, 1,
              mpc8_q3_syms,  1, 1, INIT_VLC_USE_NEW_STATIC);
     q3_vlc[1].table = q3_1_table;
     q3_vlc[1].table_allocated = 516;
-    init_vlc_sparse(&q3_vlc[1], MPC8_Q4_BITS, MPC8_Q4_SIZE,
+    ff_init_vlc_sparse(&q3_vlc[1], MPC8_Q4_BITS, MPC8_Q4_SIZE,
              mpc8_q4_bits,  1, 1,
              mpc8_q4_codes, 1, 1,
              mpc8_q4_syms,  1, 1, INIT_VLC_USE_NEW_STATIC);
@@ -228,12 +228,15 @@ static av_cold int mpc8_decode_init(AVCodecContext * avctx)
                  &mpc8_q8_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC);
     }
     vlc_initialized = 1;
+
+    avcodec_get_frame_defaults(&c->frame);
+    avctx->coded_frame = &c->frame;
+
     return 0;
 }
 
-static int mpc8_decode_frame(AVCodecContext * avctx,
-                            void *data, int *data_size,
-                            AVPacket *avpkt)
+static int mpc8_decode_frame(AVCodecContext * avctx, void *data,
+                             int *got_frame_ptr, AVPacket *avpkt)
 {
     const uint8_t *buf = avpkt->data;
     int buf_size = avpkt->size;
@@ -241,14 +244,15 @@ static int mpc8_decode_frame(AVCodecContext * avctx,
     GetBitContext gb2, *gb = &gb2;
     int i, j, k, ch, cnt, res, t;
     Band *bands = c->bands;
-    int off, out_size;
+    int off;
     int maxband, keyframe;
     int last[2];
 
-    out_size = MPC_FRAME_SIZE * 2 * avctx->channels;
-    if (*data_size < out_size) {
-        av_log(avctx, AV_LOG_ERROR, "Output buffer is too small\n");
-        return AVERROR(EINVAL);
+    /* get output buffer */
+    c->frame.nb_samples = MPC_FRAME_SIZE;
+    if ((res = avctx->get_buffer(avctx, &c->frame)) < 0) {
+        av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
+        return res;
     }
 
     keyframe = c->cur_frame == 0;
@@ -266,6 +270,8 @@ static int mpc8_decode_frame(AVCodecContext * avctx,
         maxband = c->last_max_band + get_vlc2(gb, band_vlc.table, MPC8_BANDS_BITS, 2);
         if(maxband > 32) maxband -= 33;
     }
+    if(maxband > c->maxbands + 1)
+        return AVERROR_INVALIDDATA;
     c->last_max_band = maxband;
 
     /* read subband indexes */
@@ -399,24 +405,37 @@ static int mpc8_decode_frame(AVCodecContext * avctx,
         }
     }
 
-    ff_mpc_dequantize_and_synth(c, maxband, data, avctx->channels);
+    ff_mpc_dequantize_and_synth(c, maxband - 1, c->frame.data[0],
+                                avctx->channels);
 
     c->cur_frame++;
 
     c->last_bits_used = get_bits_count(gb);
+    if(get_bits_left(gb) < 8) // we have only padding left
+        c->last_bits_used = buf_size << 3;
     if(c->cur_frame >= c->frames)
         c->cur_frame = 0;
-    *data_size =  out_size;
+
+    *got_frame_ptr   = 1;
+    *(AVFrame *)data = c->frame;
 
     return c->cur_frame ? c->last_bits_used >> 3 : buf_size;
 }
 
+static av_cold void mpc8_decode_flush(AVCodecContext *avctx)
+{
+    MPCContext *c = avctx->priv_data;
+    c->cur_frame = 0;
+}
+
 AVCodec ff_mpc8_decoder = {
     .name           = "mpc8",
     .type           = AVMEDIA_TYPE_AUDIO,
-    .id             = CODEC_ID_MUSEPACK8,
+    .id             = AV_CODEC_ID_MUSEPACK8,
     .priv_data_size = sizeof(MPCContext),
     .init           = mpc8_decode_init,
     .decode         = mpc8_decode_frame,
-    .long_name = NULL_IF_CONFIG_SMALL("Musepack SV8"),
+    .flush          = mpc8_decode_flush,
+    .capabilities   = CODEC_CAP_DR1,
+    .long_name      = NULL_IF_CONFIG_SMALL("Musepack SV8"),
 };