diff --git a/libavcodec/aac_ac3_parser.c b/libavcodec/aac_ac3_parser.c
index d3da9b7696442ed32b8f8fe8562baeabcfbb08c3..806a826ea0f5ae43629d9ac38716f3a722ae1641 100644
--- a/libavcodec/aac_ac3_parser.c
+++ b/libavcodec/aac_ac3_parser.c
@@ -84,14 +84,6 @@ get_next:
avctx->sample_rate = s->sample_rate;
/* (E-)AC-3: allow downmixing to stereo or mono */
-#if FF_API_REQUEST_CHANNELS
-FF_DISABLE_DEPRECATION_WARNINGS
- if (avctx->request_channels == 1)
- avctx->request_channel_layout = AV_CH_LAYOUT_MONO;
- else if (avctx->request_channels == 2)
- avctx->request_channel_layout = AV_CH_LAYOUT_STEREO;
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
if (s->channels > 1 &&
avctx->request_channel_layout == AV_CH_LAYOUT_MONO) {
avctx->channels = 1;
diff --git a/libavcodec/ac3dec.c b/libavcodec/ac3dec.c
index ca5e441ba65f9eee45e6e078b9a651b67835760b..97ce2878a8740308b6dd0af0475dbff4c205fcbb 100644
--- a/libavcodec/ac3dec.c
+++ b/libavcodec/ac3dec.c
@@ -190,14 +190,6 @@ static av_cold int ac3_decode_init(AVCodecContext *avctx)
avctx->sample_fmt = AV_SAMPLE_FMT_FLTP;
/* allow downmixing to stereo or mono */
-#if FF_API_REQUEST_CHANNELS
-FF_DISABLE_DEPRECATION_WARNINGS
- if (avctx->request_channels == 1)
- avctx->request_channel_layout = AV_CH_LAYOUT_MONO;
- else if (avctx->request_channels == 2)
- avctx->request_channel_layout = AV_CH_LAYOUT_STEREO;
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
if (avctx->channels > 1 &&
avctx->request_channel_layout == AV_CH_LAYOUT_MONO)
avctx->channels = 1;
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 5bf9833f1c58b8ad8063399ba7d3079a75d7928b..e9aba6aaf94c6aef69ae5c06733bf4590e0074cf 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -2063,16 +2063,6 @@ typedef struct AVCodecContext {
*/
int cutoff;
-#if FF_API_REQUEST_CHANNELS
- /**
- * Decoder should decode to this many channels if it can (0 for default)
- * - encoding: unused
- * - decoding: Set by user.
- * @deprecated Deprecated in favor of request_channel_layout.
- */
- attribute_deprecated int request_channels;
-#endif
-
/**
* Audio channel layout.
* - encoding: set by user.
diff --git a/libavcodec/dcadec.c b/libavcodec/dcadec.c
index 8fdd03cf7afd6ed56974757324630ffc1e020081..abf762d906a863459ec0c529ec754c02e3499aea 100644
--- a/libavcodec/dcadec.c
+++ b/libavcodec/dcadec.c
@@ -1307,15 +1307,7 @@ static int dca_decode_frame(AVCodecContext *avctx, void *data,
s->xch_disable = 1;
}
-#if FF_API_REQUEST_CHANNELS
-FF_DISABLE_DEPRECATION_WARNINGS
- if (s->xch_present && !s->xch_disable &&
- (!avctx->request_channels ||
- avctx->request_channels > num_core_channels + !!s->lfe)) {
-FF_ENABLE_DEPRECATION_WARNINGS
-#else
if (s->xch_present && !s->xch_disable) {
-#endif
avctx->channel_layout |= AV_CH_BACK_CENTER;
if (s->lfe) {
avctx->channel_layout |= AV_CH_LOW_FREQUENCY;
@@ -1523,12 +1515,6 @@ static av_cold int dca_decode_init(AVCodecContext *avctx)
avctx->sample_fmt = AV_SAMPLE_FMT_FLTP;
/* allow downmixing to stereo */
-#if FF_API_REQUEST_CHANNELS
-FF_DISABLE_DEPRECATION_WARNINGS
- if (avctx->request_channels == 2)
- avctx->request_channel_layout = AV_CH_LAYOUT_STEREO;
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
if (avctx->channels > 2 &&
avctx->request_channel_layout == AV_CH_LAYOUT_STEREO)
avctx->channels = 2;
diff --git a/libavcodec/mlp_parser.c b/libavcodec/mlp_parser.c
index 0c7d4a2c7a467c063b2305f594a9e9b991b55463..e8fb4f5f4d95a0ebb7dd0c07ee825fbffee966b0 100644
--- a/libavcodec/mlp_parser.c
+++ b/libavcodec/mlp_parser.c
@@ -345,15 +345,6 @@ static int mlp_parse(AVCodecParserContext *s,
if (mh.stream_type == 0xbb) {
/* MLP stream */
-#if FF_API_REQUEST_CHANNELS
-FF_DISABLE_DEPRECATION_WARNINGS
- if (avctx->request_channels > 0 && avctx->request_channels <= 2 &&
- mh.num_substreams > 1) {
- avctx->channels = 2;
- avctx->channel_layout = AV_CH_LAYOUT_STEREO;
- } else
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
if (avctx->request_channel_layout &&
(avctx->request_channel_layout & AV_CH_LAYOUT_STEREO) ==
avctx->request_channel_layout &&
@@ -366,19 +357,6 @@ FF_ENABLE_DEPRECATION_WARNINGS
}
} else { /* mh.stream_type == 0xba */
/* TrueHD stream */
-#if FF_API_REQUEST_CHANNELS
-FF_DISABLE_DEPRECATION_WARNINGS
- if (avctx->request_channels > 0 && avctx->request_channels <= 2 &&
- mh.num_substreams > 1) {
- avctx->channels = 2;
- avctx->channel_layout = AV_CH_LAYOUT_STEREO;
- } else if (avctx->request_channels > 0 &&
- avctx->request_channels <= mh.channels_thd_stream1) {
- avctx->channels = mh.channels_thd_stream1;
- avctx->channel_layout = mh.channel_layout_thd_stream1;
- } else
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
if (avctx->request_channel_layout &&
(avctx->request_channel_layout & AV_CH_LAYOUT_STEREO) ==
avctx->request_channel_layout &&
diff --git a/libavcodec/mlpdec.c b/libavcodec/mlpdec.c
index 7e4140259f20557ae79eb4b26b877447ab864b2d..169437acef0d1196dc659fc8ef05a33d5b69917a 100644
--- a/libavcodec/mlpdec.c
+++ b/libavcodec/mlpdec.c
@@ -509,19 +509,6 @@ static int read_restart_header(MLPDecodeContext *m, GetBitContext *gbp,
s->max_channel = max_channel;
s->max_matrix_channel = max_matrix_channel;
-#if FF_API_REQUEST_CHANNELS
-FF_DISABLE_DEPRECATION_WARNINGS
- if (m->avctx->request_channels > 0 &&
- m->avctx->request_channels <= s->max_channel + 1 &&
- m->max_decoded_substream > substr) {
- av_log(m->avctx, AV_LOG_DEBUG,
- "Extracting %d-channel downmix from substream %d. "
- "Further substreams will be skipped.\n",
- s->max_channel + 1, substr);
- m->max_decoded_substream = substr;
- } else
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
if (m->avctx->request_channel_layout && (s->ch_layout & m->avctx->request_channel_layout) ==
m->avctx->request_channel_layout && m->max_decoded_substream > substr) {
av_log(m->avctx, AV_LOG_DEBUG,
diff --git a/libavcodec/options_table.h b/libavcodec/options_table.h
index 055f5e42b27f6117529e9d217674cf303de714d5..9fec8e48f4b04f1da2df06ea2177d2151bf0e0cf 100644
--- a/libavcodec/options_table.h
+++ b/libavcodec/options_table.h
@@ -393,9 +393,6 @@ static const AVOption avcodec_options[] = {
{"min_prediction_order", NULL, OFFSET(min_prediction_order), AV_OPT_TYPE_INT, {.i64 = -1 }, INT_MIN, INT_MAX, A|E},
{"max_prediction_order", NULL, OFFSET(max_prediction_order), AV_OPT_TYPE_INT, {.i64 = -1 }, INT_MIN, INT_MAX, A|E},
{"timecode_frame_start", "GOP timecode frame start number, in non-drop-frame format", OFFSET(timecode_frame_start), AV_OPT_TYPE_INT64, {.i64 = 0 }, 0, INT64_MAX, V|E},
-#if FF_API_REQUEST_CHANNELS
-{"request_channels", "set desired number of audio channels", OFFSET(request_channels), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, 0, INT_MAX, A|D},
-#endif
{"bits_per_raw_sample", NULL, OFFSET(bits_per_raw_sample), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, INT_MIN, INT_MAX},
{"channel_layout", NULL, OFFSET(channel_layout), AV_OPT_TYPE_INT64, {.i64 = DEFAULT }, 0, INT64_MAX, A|E|D, "channel_layout"},
{"request_channel_layout", NULL, OFFSET(request_channel_layout), AV_OPT_TYPE_INT64, {.i64 = DEFAULT }, 0, INT64_MAX, A|D, "request_channel_layout"},
diff --git a/libavcodec/version.h b/libavcodec/version.h
index 94cc77576c7686613a8b0808d012ddde003d590d..0fbb8362171d5a3f566080d3fb7e3e4d494c1327 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -48,9 +48,6 @@
* the public API and may change, break or disappear at any time.
*/
-#ifndef FF_API_REQUEST_CHANNELS
-#define FF_API_REQUEST_CHANNELS (LIBAVCODEC_VERSION_MAJOR < 57)
-#endif
#ifndef FF_API_DEINTERLACE
#define FF_API_DEINTERLACE (LIBAVCODEC_VERSION_MAJOR < 57)
#endif