libopenh264dec: Export the decoded profile and level in AVCodecContext

[ffmpeg] / libavcodec / atrac1.c

diff --git a/libavcodec/atrac1.c b/libavcodec/atrac1.c
index 17203f7959c530a8014aa7485f44d270d0110800..52d43e2c946aa3641d0388bcebd69ffdbbd2b865 100644 (file)
--- a/libavcodec/atrac1.c
+++ b/libavcodec/atrac1.c
@@ -1,5 +1,5 @@
 /*
- * Atrac 1 compatible decoder
+ * ATRAC1 compatible decoder
  * Copyright (c) 2009 Maxim Poliakovski
  * Copyright (c) 2009 Benjamin Larsson
  *
@@ -22,7 +22,7 @@
 
 /**
  * @file
- * Atrac 1 compatible decoder.
+ * ATRAC1 compatible decoder.
  * This decoder handles raw ATRAC1 data and probably SDDS data.
  */
 
@@ -33,9 +33,9 @@
 #include <stdio.h>
 
 #include "libavutil/float_dsp.h"
+
 #include "avcodec.h"
-#include "get_bits.h"
-#include "dsputil.h"
+#include "bitstream.h"
 #include "fft.h"
 #include "internal.h"
 #include "sinewin.h"
@@ -58,7 +58,7 @@
 /**
  * Sound unit struct, one unit is used per channel
  */
-typedef struct {
+typedef struct AT1SUCtx {
     int                 log2_block_count[AT1_QMF_BANDS];    ///< log2 number of blocks in a band
     int                 num_bfus;                           ///< number of Block Floating Units
     float*              spectrum[2];
@@ -72,7 +72,7 @@ typedef struct {
 /**
  * The atrac1 context, holds all needed parameters for decoding
  */
-typedef struct {
+typedef struct AT1Ctx {
     AT1SUCtx            SUs[AT1_MAX_CHANNELS];              ///< channel sound unit
     DECLARE_ALIGNED(32, float, spec)[AT1_SU_SAMPLES];      ///< the mdct spectrum buffer
 
@@ -165,30 +165,31 @@ static int at1_imdct_block(AT1SUCtx* su, AT1Ctx *q)
  * Parse the block size mode byte
  */
 
-static int at1_parse_bsm(GetBitContext* gb, int log2_block_cnt[AT1_QMF_BANDS])
+static int at1_parse_bsm(BitstreamContext *bc,
+                         int log2_block_cnt[AT1_QMF_BANDS])
 {
     int log2_block_count_tmp, i;
 
     for (i = 0; i < 2; i++) {
         /* low and mid band */
-        log2_block_count_tmp = get_bits(gb, 2);
+        log2_block_count_tmp = bitstream_read(bc, 2);
         if (log2_block_count_tmp & 1)
             return AVERROR_INVALIDDATA;
         log2_block_cnt[i] = 2 - log2_block_count_tmp;
     }
 
     /* high band */
-    log2_block_count_tmp = get_bits(gb, 2);
+    log2_block_count_tmp = bitstream_read(bc, 2);
     if (log2_block_count_tmp != 0 && log2_block_count_tmp != 3)
         return AVERROR_INVALIDDATA;
     log2_block_cnt[IDX_HIGH_BAND] = 3 - log2_block_count_tmp;
 
-    skip_bits(gb, 2);
+    bitstream_skip(bc, 2);
     return 0;
 }
 
 
-static int at1_unpack_dequant(GetBitContext* gb, AT1SUCtx* su,
+static int at1_unpack_dequant(BitstreamContext *bc, AT1SUCtx *su,
                               float spec[AT1_SU_SAMPLES])
 {
     int bits_used, band_num, bfu_num, i;
@@ -196,22 +197,22 @@ static int at1_unpack_dequant(GetBitContext* gb, AT1SUCtx* su,
     uint8_t idsfs[AT1_MAX_BFU];                 ///< the scalefactor indexes for each BFU
 
     /* parse the info byte (2nd byte) telling how much BFUs were coded */
-    su->num_bfus = bfu_amount_tab1[get_bits(gb, 3)];
+    su->num_bfus = bfu_amount_tab1[bitstream_read(bc, 3)];
 
     /* calc number of consumed bits:
         num_BFUs * (idwl(4bits) + idsf(6bits)) + log2_block_count(8bits) + info_byte(8bits)
         + info_byte_copy(8bits) + log2_block_count_copy(8bits) */
     bits_used = su->num_bfus * 10 + 32 +
-                bfu_amount_tab2[get_bits(gb, 2)] +
-                (bfu_amount_tab3[get_bits(gb, 3)] << 1);
+                bfu_amount_tab2[bitstream_read(bc, 2)] +
+                (bfu_amount_tab3[bitstream_read(bc, 3)] << 1);
 
     /* get word length index (idwl) for each BFU */
     for (i = 0; i < su->num_bfus; i++)
-        idwls[i] = get_bits(gb, 4);
+        idwls[i] = bitstream_read(bc, 4);
 
     /* get scalefactor index (idsf) for each BFU */
     for (i = 0; i < su->num_bfus; i++)
-        idsfs[i] = get_bits(gb, 6);
+        idsfs[i] = bitstream_read(bc, 6);
 
     /* zero idwl/idsf for empty BFUs */
     for (i = su->num_bfus; i < AT1_MAX_BFU; i++)
@@ -241,7 +242,7 @@ static int at1_unpack_dequant(GetBitContext* gb, AT1SUCtx* su,
                     /* read in a quantized spec and convert it to
                      * signed int and then inverse quantization
                      */
-                    spec[pos+i] = get_sbits(gb, word_len) * scale_factor * max_quant;
+                    spec[pos+i] = bitstream_read_signed(bc, word_len) * scale_factor * max_quant;
                 }
             } else { /* word_len = 0 -> empty BFU, zero all specs in the emty BFU */
                 memset(&spec[pos], 0, num_specs * sizeof(float));
@@ -278,7 +279,7 @@ static int atrac1_decode_frame(AVCodecContext *avctx, void *data,
     int buf_size       = avpkt->size;
     AT1Ctx *q          = avctx->priv_data;
     int ch, ret;
-    GetBitContext gb;
+    BitstreamContext bc;
 
 
     if (buf_size < 212 * avctx->channels) {
@@ -288,7 +289,7 @@ static int atrac1_decode_frame(AVCodecContext *avctx, void *data,
 
     /* get output buffer */
     frame->nb_samples = AT1_SU_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;
     }
@@ -296,14 +297,14 @@ static int atrac1_decode_frame(AVCodecContext *avctx, void *data,
     for (ch = 0; ch < avctx->channels; ch++) {
         AT1SUCtx* su = &q->SUs[ch];
 
-        init_get_bits(&gb, &buf[212 * ch], 212 * 8);
+        bitstream_init8(&bc, &buf[212 * ch], 212);
 
         /* parse block_size_mode, 1st byte */
-        ret = at1_parse_bsm(&gb, su->log2_block_count);
+        ret = at1_parse_bsm(&bc, su->log2_block_count);
         if (ret < 0)
             return ret;
 
-        ret = at1_unpack_dequant(&gb, su, q->spec);
+        ret = at1_unpack_dequant(&bc, su, q->spec);
         if (ret < 0)
             return ret;
 
@@ -357,7 +358,7 @@ static av_cold int atrac1_decode_init(AVCodecContext *avctx)
 
     ff_atrac_generate_tables();
 
-    avpriv_float_dsp_init(&q->fdsp, avctx->flags & CODEC_FLAG_BITEXACT);
+    avpriv_float_dsp_init(&q->fdsp, avctx->flags & AV_CODEC_FLAG_BITEXACT);
 
     q->bands[0] = q->low;
     q->bands[1] = q->mid;
@@ -375,14 +376,14 @@ static av_cold int atrac1_decode_init(AVCodecContext *avctx)
 
 AVCodec ff_atrac1_decoder = {
     .name           = "atrac1",
+    .long_name      = NULL_IF_CONFIG_SMALL("ATRAC1 (Adaptive TRansform Acoustic Coding)"),
     .type           = AVMEDIA_TYPE_AUDIO,
     .id             = AV_CODEC_ID_ATRAC1,
     .priv_data_size = sizeof(AT1Ctx),
     .init           = atrac1_decode_init,
     .close          = atrac1_decode_end,
     .decode         = atrac1_decode_frame,
-    .capabilities   = CODEC_CAP_DR1,
-    .long_name      = NULL_IF_CONFIG_SMALL("Atrac 1 (Adaptive TRansform Acoustic Coding)"),
+    .capabilities   = AV_CODEC_CAP_DR1,
     .sample_fmts    = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_FLTP,
                                                       AV_SAMPLE_FMT_NONE },
 };