Add ClearVideo decoder

[ffmpeg] / libavcodec / adxdec.c

diff --git a/libavcodec/adxdec.c b/libavcodec/adxdec.c
index ea409931246598dd71eabce15d059d02fecc65e8..86aaade846a71f3ffb53d4f4d794b7cb7e2baf97 100644 (file)
--- a/libavcodec/adxdec.c
+++ b/libavcodec/adxdec.c
@@ -20,9 +20,10 @@
  */
 
 #include "libavutil/intreadwrite.h"
+
 #include "avcodec.h"
 #include "adx.h"
-#include "get_bits.h"
+#include "bitstream.h"
 #include "internal.h"
 
 /**
@@ -40,9 +41,9 @@ static av_cold int adx_decode_init(AVCodecContext *avctx)
     int ret, header_size;
 
     if (avctx->extradata_size >= 24) {
-        if ((ret = avpriv_adx_decode_header(avctx, avctx->extradata,
-                                            avctx->extradata_size, &header_size,
-                                            c->coeff)) < 0) {
+        if ((ret = ff_adx_decode_header(avctx, avctx->extradata,
+                                        avctx->extradata_size, &header_size,
+                                        c->coeff)) < 0) {
             av_log(avctx, AV_LOG_ERROR, "error parsing ADX header\n");
             return AVERROR_INVALIDDATA;
         }
@@ -66,7 +67,7 @@ static int adx_decode(ADXContext *c, int16_t *out, int offset,
                       const uint8_t *in, int ch)
 {
     ADXChannelState *prev = &c->prev[ch];
-    GetBitContext gb;
+    BitstreamContext bc;
     int scale = AV_RB16(in);
     int i;
     int s0, s1, s2, d;
@@ -75,12 +76,12 @@ static int adx_decode(ADXContext *c, int16_t *out, int offset,
     if (scale & 0x8000)
         return -1;
 
-    init_get_bits(&gb, in + 2, (BLOCK_SIZE - 2) * 8);
+    bitstream_init8(&bc, in + 2, BLOCK_SIZE - 2);
     out += offset;
     s1 = prev->s1;
     s2 = prev->s2;
     for (i = 0; i < BLOCK_SAMPLES; i++) {
-        d  = get_sbits(&gb, 4);
+        d  = bitstream_read_signed(&bc, 4);
         s0 = ((d << COEFF_BITS) * scale + c->coeff[0] * s1 + c->coeff[1] * s2) >> COEFF_BITS;
         s2 = s1;
         s1 = av_clip_int16(s0);
@@ -110,8 +111,8 @@ static int adx_decode_frame(AVCodecContext *avctx, void *data,
 
     if (!c->header_parsed && buf_size >= 2 && AV_RB16(buf) == 0x8000) {
         int header_size;
-        if ((ret = avpriv_adx_decode_header(avctx, buf, buf_size, &header_size,
-                                            c->coeff)) < 0) {
+        if ((ret = ff_adx_decode_header(avctx, buf, buf_size, &header_size,
+                                        c->coeff)) < 0) {
             av_log(avctx, AV_LOG_ERROR, "error parsing ADX header\n");
             return AVERROR_INVALIDDATA;
         }
@@ -141,7 +142,7 @@ static int adx_decode_frame(AVCodecContext *avctx, void *data,
 
     /* get output buffer */
     frame->nb_samples = num_blocks * BLOCK_SAMPLES;
-    if ((ret = ff_get_buffer(avctx, frame)) < 0) {
+    if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) {
         av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
         return ret;
     }
@@ -175,14 +176,14 @@ static void adx_decode_flush(AVCodecContext *avctx)
 
 AVCodec ff_adpcm_adx_decoder = {
     .name           = "adpcm_adx",
+    .long_name      = NULL_IF_CONFIG_SMALL("SEGA CRI ADX ADPCM"),
     .type           = AVMEDIA_TYPE_AUDIO,
     .id             = AV_CODEC_ID_ADPCM_ADX,
     .priv_data_size = sizeof(ADXContext),
     .init           = adx_decode_init,
     .decode         = adx_decode_frame,
     .flush          = adx_decode_flush,
-    .capabilities   = CODEC_CAP_DR1,
-    .long_name      = NULL_IF_CONFIG_SMALL("SEGA CRI ADX ADPCM"),
+    .capabilities   = AV_CODEC_CAP_DR1,
     .sample_fmts    = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_S16P,
                                                       AV_SAMPLE_FMT_NONE },
 };