Deprecate av_opt_show() in favor of a new function av_opt_show2(),

[ffmpeg] / libavcodec / mpegaudioenc.c

diff --git a/libavcodec/mpegaudioenc.c b/libavcodec/mpegaudioenc.c
index 70f76e87c2c885c4995348960c4936f8e32a5833..5dc4a9b145a69059ff9485463e9847068ddba0d1 100644 (file)
--- a/libavcodec/mpegaudioenc.c
+++ b/libavcodec/mpegaudioenc.c
@@ -40,12 +40,10 @@
 typedef struct MpegAudioContext {
     PutBitContext pb;
     int nb_channels;
-    int freq, bit_rate;
     int lsf;           /* 1 if mpeg2 low bitrate selected */
     int bitrate_index; /* bit rate */
     int freq_index;
     int frame_size; /* frame size, in bits, without padding */
-    int64_t nb_samples; /* total number of samples encoded */
     /* padding computation */
     int frame_frac, frame_frac_incr, do_padding;
     short samples_buf[MPA_MAX_CHANNELS][SAMPLES_BUF_SIZE]; /* buffer for filter */
@@ -79,8 +77,6 @@ static av_cold int MPA_encode_init(AVCodecContext *avctx)
     }
     bitrate = bitrate / 1000;
     s->nb_channels = channels;
-    s->freq = freq;
-    s->bit_rate = bitrate * 1000;
     avctx->frame_size = MPA_FRAME_SIZE;
 
     /* encoding freq */
@@ -310,7 +306,7 @@ static void idct32(int *out, int *tab)
 
 #define WSHIFT (WFRAC_BITS + 15 - FRAC_BITS)
 
-static void filter(MpegAudioContext *s, int ch, short *samples, int incr)
+static void filter(MpegAudioContext *s, int ch, const short *samples, int incr)
 {
     short *p, *q;
     int sum, offset, i, j;
@@ -756,7 +752,7 @@ static int MPA_encode_frame(AVCodecContext *avctx,
                             unsigned char *frame, int buf_size, void *data)
 {
     MpegAudioContext *s = avctx->priv_data;
-    short *samples = data;
+    const short *samples = data;
     short smr[MPA_MAX_CHANNELS][SBLIMIT];
     unsigned char bit_alloc[MPA_MAX_CHANNELS][SBLIMIT];
     int padding, i;
@@ -778,7 +774,6 @@ static int MPA_encode_frame(AVCodecContext *avctx,
 
     encode_frame(s, bit_alloc, padding);
 
-    s->nb_samples += MPA_FRAME_SIZE;
     return put_bits_ptr(&s->pb) - s->pb.buf;
 }
 
@@ -798,6 +793,7 @@ AVCodec mp2_encoder = {
     MPA_encode_close,
     NULL,
     .sample_fmts = (const enum SampleFormat[]){SAMPLE_FMT_S16,SAMPLE_FMT_NONE},
+    .supported_samplerates= (const int[]){44100, 48000,  32000, 22050, 24000, 16000, 0},
     .long_name = NULL_IF_CONFIG_SMALL("MP2 (MPEG audio layer 2)"),
 };