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@@ -50,41 +50,6 @@ static int amr_decode_fix_avctx(AVCodecContext *avctx) |
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#include <opencore-amrnb/interf_dec.h> |
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#include <opencore-amrnb/interf_enc.h> |
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/* Common code for fixed and float version*/ |
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typedef struct AMR_bitrates { |
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int rate; |
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enum Mode mode; |
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} AMR_bitrates; |
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/* Match desired bitrate */ |
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static int get_bitrate_mode(int bitrate, void *log_ctx) |
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{ |
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/* make the correspondance between bitrate and mode */ |
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static const AMR_bitrates rates[] = { |
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{ 4750, MR475 }, { 5150, MR515 }, { 5900, MR59 }, { 6700, MR67 }, |
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{ 7400, MR74 }, { 7950, MR795 }, { 10200, MR102 }, { 12200, MR122 } |
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}; |
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int i, best = -1, min_diff = 0; |
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char log_buf[200]; |
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for (i = 0; i < 8; i++) { |
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if (rates[i].rate == bitrate) |
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return rates[i].mode; |
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if (best < 0 || abs(rates[i].rate - bitrate) < min_diff) { |
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best = i; |
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min_diff = abs(rates[i].rate - bitrate); |
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} |
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} |
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/* no bitrate matching exactly, log a warning */ |
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snprintf(log_buf, sizeof(log_buf), "bitrate not supported: use one of "); |
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for (i = 0; i < 8; i++) |
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av_strlcatf(log_buf, sizeof(log_buf), "%.2fk, ", rates[i].rate / 1000.f); |
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av_strlcatf(log_buf, sizeof(log_buf), "using %.2fk", rates[best].rate / 1000.f); |
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av_log(log_ctx, AV_LOG_WARNING, "%s\n", log_buf); |
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return best; |
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} |
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typedef struct AMRContext { |
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AVClass *av_class; |
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void *dec_state; |
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@@ -96,15 +61,6 @@ typedef struct AMRContext { |
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AudioFrameQueue afq; |
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} AMRContext; |
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static const AVOption options[] = { |
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{ "dtx", "Allow DTX (generate comfort noise)", offsetof(AMRContext, enc_dtx), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM }, |
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{ NULL } |
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}; |
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static const AVClass class = { |
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"libopencore_amrnb", av_default_item_name, options, LIBAVUTIL_VERSION_INT |
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}; |
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static av_cold int amr_nb_decode_init(AVCodecContext *avctx) |
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{ |
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AMRContext *s = avctx->priv_data; |
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@@ -183,6 +139,50 @@ AVCodec ff_libopencore_amrnb_decoder = { |
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.long_name = NULL_IF_CONFIG_SMALL("OpenCORE AMR-NB (Adaptive Multi-Rate Narrow-Band)"), |
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}; |
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/* Common code for fixed and float version*/ |
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typedef struct AMR_bitrates { |
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int rate; |
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enum Mode mode; |
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} AMR_bitrates; |
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/* Match desired bitrate */ |
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static int get_bitrate_mode(int bitrate, void *log_ctx) |
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{ |
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/* make the correspondance between bitrate and mode */ |
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static const AMR_bitrates rates[] = { |
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{ 4750, MR475 }, { 5150, MR515 }, { 5900, MR59 }, { 6700, MR67 }, |
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{ 7400, MR74 }, { 7950, MR795 }, { 10200, MR102 }, { 12200, MR122 } |
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}; |
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int i, best = -1, min_diff = 0; |
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char log_buf[200]; |
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for (i = 0; i < 8; i++) { |
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if (rates[i].rate == bitrate) |
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return rates[i].mode; |
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if (best < 0 || abs(rates[i].rate - bitrate) < min_diff) { |
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best = i; |
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min_diff = abs(rates[i].rate - bitrate); |
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} |
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} |
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/* no bitrate matching exactly, log a warning */ |
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snprintf(log_buf, sizeof(log_buf), "bitrate not supported: use one of "); |
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for (i = 0; i < 8; i++) |
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av_strlcatf(log_buf, sizeof(log_buf), "%.2fk, ", rates[i].rate / 1000.f); |
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av_strlcatf(log_buf, sizeof(log_buf), "using %.2fk", rates[best].rate / 1000.f); |
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av_log(log_ctx, AV_LOG_WARNING, "%s\n", log_buf); |
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return best; |
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} |
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static const AVOption options[] = { |
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{ "dtx", "Allow DTX (generate comfort noise)", offsetof(AMRContext, enc_dtx), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM }, |
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{ NULL } |
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}; |
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static const AVClass class = { |
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"libopencore_amrnb", av_default_item_name, options, LIBAVUTIL_VERSION_INT |
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}; |
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static av_cold int amr_nb_encode_init(AVCodecContext *avctx) |
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{ |
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AMRContext *s = avctx->priv_data; |
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