From 6302c9d31dc746ebdb74619c0f56975e64e72876 Mon Sep 17 00:00:00 2001 From: Mark Nauwelaerts Date: Tue, 16 Aug 2011 18:23:14 +0200 Subject: [PATCH] baseaudioencoder: replace context helper structure by various _get/_set --- gst-libs/gst/audio/gstbaseaudioencoder.c | 259 +++++++++++++++++++++++++------ gst-libs/gst/audio/gstbaseaudioencoder.h | 48 +++--- 2 files changed, 228 insertions(+), 79 deletions(-) diff --git a/gst-libs/gst/audio/gstbaseaudioencoder.c b/gst-libs/gst/audio/gstbaseaudioencoder.c index 07400ca..e2fd8ae 100644 --- a/gst-libs/gst/audio/gstbaseaudioencoder.c +++ b/gst-libs/gst/audio/gstbaseaudioencoder.c @@ -38,7 +38,7 @@ * * GstBaseAudioEncoder calls @set_format to inform subclass of the format * of input audio data that it is about to receive. Subclass should - * setup for encoding and configure various base class context parameters + * setup for encoding and configure various base class parameters * appropriately, notably those directing desired input data handling. * While unlikely, it might be called more than once, if changing input * parameters require reconfiguration. @@ -49,10 +49,10 @@ * * * As of configuration stage, and throughout processing, GstBaseAudioEncoder - * provides a GstBaseAudioEncoderContext that provides required context, + * maintains various parameters that provide required context, * e.g. describing the format of input audio data. - * Conversely, subclass can and should configure context to inform - * base class of its expectation w.r.t. buffer handling. + * Conversely, subclass can and should configure these context parameters + * to inform base class of its expectation w.r.t. buffer handling. * * * Data processing @@ -179,6 +179,20 @@ enum #define DEFAULT_HARD_RESYNC FALSE #define DEFAULT_TOLERANCE 40000000 +typedef struct _GstBaseAudioEncoderContext +{ + /* input */ + GstAudioFormatInfo info; + + /* output */ + gint frame_samples; + gint frame_max; + gint lookahead; + /* MT-protected (with LOCK) */ + GstClockTime min_latency; + GstClockTime max_latency; +} GstBaseAudioEncoderContext; + struct _GstBaseAudioEncoderPrivate { /* activation status */ @@ -369,7 +383,6 @@ gst_base_audio_encoder_init (GstBaseAudioEncoder * enc, GST_DEBUG_OBJECT (enc, "src created"); enc->priv->adapter = gst_adapter_new (); - enc->ctx = &enc->priv->ctx; /* property default */ enc->perfect_ts = DEFAULT_PERFECT_TS; @@ -390,8 +403,8 @@ gst_base_audio_encoder_reset (GstBaseAudioEncoder * enc, gboolean full) enc->priv->active = FALSE; enc->priv->samples_in = 0; enc->priv->bytes_out = 0; - g_free (enc->ctx->state.channel_pos); - memset (enc->ctx, 0, sizeof (enc->ctx)); + g_free (enc->priv->ctx.info.channel_pos); + memset (&enc->priv->ctx, 0, sizeof (enc->priv->ctx)); } gst_segment_init (&enc->segment, GST_FORMAT_TIME); @@ -452,7 +465,7 @@ gst_base_audio_encoder_finish_frame (GstBaseAudioEncoder * enc, GstBuffer * buf, klass = GST_BASE_AUDIO_ENCODER_GET_CLASS (enc); priv = enc->priv; - ctx = enc->ctx; + ctx = &enc->priv->ctx; /* subclass should know what it is producing by now */ g_return_val_if_fail (GST_PAD_CAPS (enc->srcpad) != NULL, GST_FLOW_ERROR); @@ -468,7 +481,7 @@ gst_base_audio_encoder_finish_frame (GstBaseAudioEncoder * enc, GstBuffer * buf, /* remove corresponding samples from input */ if (samples < 0) - samples = (enc->priv->offset / ctx->state.bpf); + samples = (enc->priv->offset / ctx->info.bpf); if (G_LIKELY (samples)) { /* track upstream ts if so configured */ @@ -476,8 +489,8 @@ gst_base_audio_encoder_finish_frame (GstBaseAudioEncoder * enc, GstBuffer * buf, guint64 ts, distance; ts = gst_adapter_prev_timestamp (priv->adapter, &distance); - g_assert (distance % ctx->state.bpf == 0); - distance /= ctx->state.bpf; + g_assert (distance % ctx->info.bpf == 0); + distance /= ctx->info.bpf; GST_LOG_OBJECT (enc, "%" G_GUINT64_FORMAT " samples past prev_ts %" GST_TIME_FORMAT, distance, GST_TIME_ARGS (ts)); GST_LOG_OBJECT (enc, "%" G_GUINT64_FORMAT " samples past base_ts %" @@ -490,9 +503,9 @@ gst_base_audio_encoder_finish_frame (GstBaseAudioEncoder * enc, GstBuffer * buf, /* passed into another buffer; * mild check for discontinuity and only mark if so */ next_ts = ts + - gst_util_uint64_scale (distance, GST_SECOND, ctx->state.rate); + gst_util_uint64_scale (distance, GST_SECOND, ctx->info.rate); old_ts = priv->base_ts + - gst_util_uint64_scale (priv->samples, GST_SECOND, ctx->state.rate); + gst_util_uint64_scale (priv->samples, GST_SECOND, ctx->info.rate); diff = GST_CLOCK_DIFF (next_ts, old_ts); GST_LOG_OBJECT (enc, "ts diff %d ms", (gint) (diff / GST_MSECOND)); /* only mark discontinuity if beyond tolerance */ @@ -500,8 +513,8 @@ gst_base_audio_encoder_finish_frame (GstBaseAudioEncoder * enc, GstBuffer * buf, GST_DEBUG_OBJECT (enc, "marked discont"); priv->discont = TRUE; } - if (TRUE || diff > GST_SECOND / ctx->state.rate / 2 || - diff < -GST_SECOND / ctx->state.rate / 2) { + if (TRUE || diff > GST_SECOND / ctx->info.rate / 2 || + diff < -GST_SECOND / ctx->info.rate / 2) { GST_LOG_OBJECT (enc, "new upstream ts %" GST_TIME_FORMAT " at distance %" G_GUINT64_FORMAT, GST_TIME_ARGS (ts), distance); /* re-sync to upstream ts */ @@ -513,7 +526,7 @@ gst_base_audio_encoder_finish_frame (GstBaseAudioEncoder * enc, GstBuffer * buf, } } /* advance sample view */ - if (G_UNLIKELY (samples * ctx->state.bpf > priv->offset)) { + if (G_UNLIKELY (samples * ctx->info.bpf > priv->offset)) { if (G_LIKELY (!priv->force)) { /* no way we can let this pass */ g_assert_not_reached (); @@ -521,14 +534,14 @@ gst_base_audio_encoder_finish_frame (GstBaseAudioEncoder * enc, GstBuffer * buf, goto overflow; } else { priv->offset = 0; - if (samples * ctx->state.bpf >= gst_adapter_available (priv->adapter)) + if (samples * ctx->info.bpf >= gst_adapter_available (priv->adapter)) gst_adapter_clear (priv->adapter); else - gst_adapter_flush (priv->adapter, samples * ctx->state.bpf); + gst_adapter_flush (priv->adapter, samples * ctx->info.bpf); } } else { - gst_adapter_flush (priv->adapter, samples * ctx->state.bpf); - priv->offset -= samples * ctx->state.bpf; + gst_adapter_flush (priv->adapter, samples * ctx->info.bpf); + priv->offset -= samples * ctx->info.bpf; /* avoid subsequent stray prev_ts */ if (G_UNLIKELY (gst_adapter_available (priv->adapter) == 0)) gst_adapter_clear (priv->adapter); @@ -549,13 +562,13 @@ gst_base_audio_encoder_finish_frame (GstBaseAudioEncoder * enc, GstBuffer * buf, /* mind sample rounding and produce perfect output */ GST_BUFFER_TIMESTAMP (buf) = priv->base_ts + gst_util_uint64_scale (priv->samples - ctx->lookahead, GST_SECOND, - ctx->state.rate); + ctx->info.rate); GST_DEBUG_OBJECT (enc, "out samples %d", samples); if (G_LIKELY (samples > 0)) { priv->samples += samples; GST_BUFFER_DURATION (buf) = priv->base_ts + gst_util_uint64_scale (priv->samples - ctx->lookahead, GST_SECOND, - ctx->state.rate) - GST_BUFFER_TIMESTAMP (buf); + ctx->info.rate) - GST_BUFFER_TIMESTAMP (buf); priv->last_duration = GST_BUFFER_DURATION (buf); } else { /* duration forecast in case of handling remainder; @@ -567,11 +580,11 @@ gst_base_audio_encoder_finish_frame (GstBaseAudioEncoder * enc, GstBuffer * buf, /* FIXME: in longer run, muxer should take care of this ... */ /* offset_end = granulepos for ogg muxer */ GST_BUFFER_OFFSET_END (buf) = priv->base_gp + priv->samples - - enc->ctx->lookahead; + enc->priv->ctx.lookahead; /* offset = timestamp corresponding to granulepos for ogg muxer */ GST_BUFFER_OFFSET (buf) = GST_FRAMES_TO_CLOCK_TIME (GST_BUFFER_OFFSET_END (buf), - ctx->state.rate); + ctx->info.rate); } else { GST_BUFFER_OFFSET (buf) = priv->bytes_out; GST_BUFFER_OFFSET_END (buf) = priv->bytes_out + GST_BUFFER_SIZE (buf); @@ -618,7 +631,7 @@ overflow: { GST_ELEMENT_ERROR (enc, STREAM, ENCODE, ("received more encoded samples %d than provided %d", - samples, priv->offset / ctx->state.bpf), (NULL)); + samples, priv->offset / ctx->info.bpf), (NULL)); if (buf) gst_buffer_unref (buf); return GST_FLOW_ERROR; @@ -644,7 +657,7 @@ gst_base_audio_encoder_push_buffers (GstBaseAudioEncoder * enc, gboolean force) g_return_val_if_fail (klass->handle_frame != NULL, GST_FLOW_ERROR); priv = enc->priv; - ctx = enc->ctx; + ctx = &enc->priv->ctx; while (ret == GST_FLOW_OK) { @@ -654,7 +667,7 @@ gst_base_audio_encoder_push_buffers (GstBaseAudioEncoder * enc, gboolean force) g_assert (priv->offset <= av); av -= priv->offset; - need = ctx->frame_samples > 0 ? ctx->frame_samples * ctx->state.bpf : av; + need = ctx->frame_samples > 0 ? ctx->frame_samples * ctx->info.bpf : av; GST_LOG_OBJECT (enc, "available: %d, needed: %d, force: %d", av, need, force); @@ -692,7 +705,7 @@ gst_base_audio_encoder_push_buffers (GstBaseAudioEncoder * enc, gboolean force) /* mark this already as consumed, * which it should be when subclass gives us data in exchange for samples */ priv->offset += need; - priv->samples_in += need / ctx->state.bpf; + priv->samples_in += need / ctx->info.bpf; priv->got_data = FALSE; ret = klass->handle_frame (enc, buf); @@ -734,7 +747,7 @@ gst_base_audio_encoder_set_base_gp (GstBaseAudioEncoder * enc) enc->priv->base_ts); if (GST_CLOCK_TIME_IS_VALID (ts)) { enc->priv->base_gp = - GST_CLOCK_TIME_TO_FRAMES (enc->priv->base_ts, enc->ctx->state.rate); + GST_CLOCK_TIME_TO_FRAMES (enc->priv->base_ts, enc->priv->ctx.info.rate); GST_DEBUG_OBJECT (enc, "new base gp %" G_GINT64_FORMAT, enc->priv->base_gp); } else { /* should reasonably have a valid base, @@ -761,10 +774,10 @@ gst_base_audio_encoder_chain (GstPad * pad, GstBuffer * buffer) bclass = GST_BASE_AUDIO_ENCODER_GET_CLASS (enc); priv = enc->priv; - ctx = enc->ctx; + ctx = &enc->priv->ctx; /* should know what is coming by now */ - if (!ctx->state.bpf) + if (!ctx->info.bpf) goto not_negotiated; GST_LOG_OBJECT (enc, @@ -774,7 +787,7 @@ gst_base_audio_encoder_chain (GstPad * pad, GstBuffer * buffer) GST_TIME_ARGS (GST_BUFFER_DURATION (buffer))); /* input shoud be whole number of sample frames */ - if (GST_BUFFER_SIZE (buffer) % ctx->state.bpf) + if (GST_BUFFER_SIZE (buffer) % ctx->info.bpf) goto wrong_buffer; #ifndef GST_DISABLE_GST_DEBUG @@ -784,11 +797,11 @@ gst_base_audio_encoder_chain (GstPad * pad, GstBuffer * buffer) /* verify buffer duration */ duration = gst_util_uint64_scale (GST_BUFFER_SIZE (buffer), GST_SECOND, - ctx->state.rate * ctx->state.bpf); + ctx->info.rate * ctx->info.bpf); diff = GST_CLOCK_DIFF (duration, GST_BUFFER_DURATION (buffer)); if (GST_BUFFER_DURATION (buffer) != GST_CLOCK_TIME_NONE && - (diff > GST_SECOND / ctx->state.rate / 2 || - diff < -GST_SECOND / ctx->state.rate / 2)) { + (diff > GST_SECOND / ctx->info.rate / 2 || + diff < -GST_SECOND / ctx->info.rate / 2)) { GST_DEBUG_OBJECT (enc, "incoming buffer had incorrect duration %" GST_TIME_FORMAT ", expected duration %" GST_TIME_FORMAT, GST_TIME_ARGS (GST_BUFFER_DURATION (buffer)), @@ -805,8 +818,8 @@ gst_base_audio_encoder_chain (GstPad * pad, GstBuffer * buffer) /* clip to segment */ /* NOTE: slightly painful linking -laudio only for this one ... */ - buffer = gst_audio_buffer_clip (buffer, &enc->segment, ctx->state.rate, - ctx->state.bpf); + buffer = gst_audio_buffer_clip (buffer, &enc->segment, ctx->info.rate, + ctx->info.bpf); if (G_UNLIKELY (!buffer)) { GST_DEBUG_OBJECT (buffer, "no data after clipping to segment"); goto done; @@ -836,9 +849,9 @@ gst_base_audio_encoder_chain (GstPad * pad, GstBuffer * buffer) guint64 samples; samples = priv->samples + - gst_adapter_available (priv->adapter) / ctx->state.bpf; + gst_adapter_available (priv->adapter) / ctx->info.bpf; next_ts = priv->base_ts + - gst_util_uint64_scale (samples, GST_SECOND, ctx->state.rate); + gst_util_uint64_scale (samples, GST_SECOND, ctx->info.rate); GST_LOG_OBJECT (enc, "buffer is %" G_GUINT64_FORMAT " samples past base_ts %" GST_TIME_FORMAT ", expected ts %" GST_TIME_FORMAT, samples, @@ -863,7 +876,7 @@ gst_base_audio_encoder_chain (GstPad * pad, GstBuffer * buffer) GST_TIME_FORMAT ". Clipping buffer", GST_TIME_ARGS (next_ts)); diff_bytes = - GST_CLOCK_TIME_TO_FRAMES (-diff, ctx->state.rate) * ctx->state.bpf; + GST_CLOCK_TIME_TO_FRAMES (-diff, ctx->info.rate) * ctx->info.bpf; if (diff_bytes >= GST_BUFFER_SIZE (buffer)) { gst_buffer_unref (buffer); goto done; @@ -907,7 +920,7 @@ wrong_buffer: { GST_ELEMENT_ERROR (enc, STREAM, ENCODE, (NULL), ("buffer size %d not a multiple of %d", GST_BUFFER_SIZE (buffer), - ctx->state.bpf)); + ctx->info.bpf)); gst_buffer_unref (buffer); return GST_FLOW_ERROR; } @@ -928,8 +941,8 @@ gst_base_audio_encoder_sink_setcaps (GstPad * pad, GstCaps * caps) /* subclass must do something here ... */ g_return_val_if_fail (klass->set_format != NULL, FALSE); - ctx = enc->ctx; - state = &ctx->state; + ctx = &enc->priv->ctx; + state = &ctx->info; GST_DEBUG_OBJECT (enc, "caps: %" GST_PTR_FORMAT, caps); @@ -954,9 +967,9 @@ gst_base_audio_encoder_sink_setcaps (GstPad * pad, GstCaps * caps) gst_base_audio_encoder_drain (enc); /* context defaults */ - enc->ctx->frame_samples = 0; - enc->ctx->frame_max = 0; - enc->ctx->lookahead = 0; + enc->priv->ctx.frame_samples = 0; + enc->priv->ctx.frame_max = 0; + enc->priv->ctx.lookahead = 0; /* element might report latency */ GST_OBJECT_LOCK (enc); @@ -996,7 +1009,7 @@ refuse_caps: /** * gst_base_audio_encoder_proxy_getcaps: * @enc: a #GstBaseAudioEncoder - * @caps: initial + * @caps: initial caps * * Returns caps that express @caps (or sink template caps if @caps == NULL) * restricted to channel/rate combinations supported by downstream elements @@ -1199,7 +1212,7 @@ gst_base_audio_encoder_sink_query (GstPad * pad, GstQuery * query) gint64 src_val, dest_val; gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val); - if (!(res = gst_base_audio_raw_audio_convert (&enc->ctx->state, + if (!(res = gst_base_audio_raw_audio_convert (&enc->priv->ctx.info, src_fmt, src_val, &dest_fmt, &dest_val))) goto error; gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val); @@ -1308,7 +1321,7 @@ gst_base_audio_encoder_src_query (GstPad * pad, GstQuery * query) gint64 src_val, dest_val; gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val); - if (!(res = gst_base_audio_encoded_audio_convert (&enc->ctx->state, + if (!(res = gst_base_audio_encoded_audio_convert (&enc->priv->ctx.info, enc->priv->bytes_out, enc->priv->samples_in, src_fmt, src_val, &dest_fmt, &dest_val))) break; @@ -1329,9 +1342,9 @@ gst_base_audio_encoder_src_query (GstPad * pad, GstQuery * query) GST_OBJECT_LOCK (enc); /* add our latency */ if (min_latency != -1) - min_latency += enc->ctx->min_latency; + min_latency += enc->priv->ctx.min_latency; if (max_latency != -1) - max_latency += enc->ctx->max_latency; + max_latency += enc->priv->ctx.max_latency; GST_OBJECT_UNLOCK (enc); gst_query_set_latency (query, live, min_latency, max_latency); @@ -1453,3 +1466,147 @@ gst_base_audio_encoder_sink_activate_push (GstPad * pad, gboolean active) gst_object_unref (enc); return result; } + +/** + * gst_base_audio_encoder_get_info: + * @enc: a #GstBaseAudioEncoder + * + * Returns: a #AudioFormatInfo describing input audio format + */ +GstAudioFormatInfo * +gst_base_audio_encoder_get_info (GstBaseAudioEncoder * enc) +{ + g_return_val_if_fail (GST_IS_BASE_AUDIO_ENCODER (enc), NULL); + + return &enc->priv->ctx.info; +} + +/** + * gst_base_audio_encoder_set_frame_samples: + * @enc: a #GstBaseAudioEncoder + * @num: number of samples per frame + * + * Sets number of samples (per channel) subclass needs to be handed, + * or will be handed all available if 0. + */ +void +gst_base_audio_encoder_set_frame_samples (GstBaseAudioEncoder * enc, gint num) +{ + g_return_if_fail (GST_IS_BASE_AUDIO_ENCODER (enc)); + + enc->priv->ctx.frame_samples = num; +} + +/** + * gst_base_audio_encoder_get_frame_samples: + * @enc: a #GstBaseAudioEncoder + * + * Returns: currently requested samples per frame + */ +gint +gst_base_audio_encoder_get_frame_samples (GstBaseAudioEncoder * enc) +{ + g_return_val_if_fail (GST_IS_BASE_AUDIO_ENCODER (enc), 0); + + return enc->priv->ctx.frame_samples; +} + +/** + * gst_base_audio_encoder_set_frame_max: + * @enc: a #GstBaseAudioEncoder + * @num: number of frames + * + * Sets max number of frames accepted at once (assumed minimally 1) + */ +void +gst_base_audio_encoder_set_frame_max (GstBaseAudioEncoder * enc, gint num) +{ + g_return_if_fail (GST_IS_BASE_AUDIO_ENCODER (enc)); + + enc->priv->ctx.frame_max = num; +} + +/** + * gst_base_audio_encoder_get_frame_max: + * @enc: a #GstBaseAudioEncoder + * + * Returns: currently configured maximum handled frames + */ +gint +gst_base_audio_encoder_get_frame_max (GstBaseAudioEncoder * enc) +{ + g_return_val_if_fail (GST_IS_BASE_AUDIO_ENCODER (enc), 0); + + return enc->priv->ctx.frame_max; +} + +/** + * gst_base_audio_encoder_set_lookahead: + * @enc: a #GstBaseAudioEncoder + * @num: lookahead + * + * Sets encoder lookahead (in units of input rate samples) + */ +void +gst_base_audio_encoder_set_lookahead (GstBaseAudioEncoder * enc, gint num) +{ + g_return_if_fail (GST_IS_BASE_AUDIO_ENCODER (enc)); + + enc->priv->ctx.lookahead = num; +} + +/** + * gst_base_audio_encoder_get_lookahead: + * @enc: a #GstBaseAudioEncoder + * + * Returns: currently configured encoder lookahead + */ +gint +gst_base_audio_encoder_get_lookahead (GstBaseAudioEncoder * enc) +{ + g_return_val_if_fail (GST_IS_BASE_AUDIO_ENCODER (enc), 0); + + return enc->priv->ctx.lookahead; +} + +/** + * gst_base_audio_encoder_set_latency: + * @enc: a #GstBaseAudioEncoder + * @min: minimum latency + * @max: maximum latency + * + * Sets encoder latency. + */ +void +gst_base_audio_encoder_set_latency (GstBaseAudioEncoder * enc, + GstClockTime min, GstClockTime max) +{ + g_return_if_fail (GST_IS_BASE_AUDIO_ENCODER (enc)); + + GST_OBJECT_LOCK (enc); + enc->priv->ctx.min_latency = min; + enc->priv->ctx.max_latency = max; + GST_OBJECT_UNLOCK (enc); +} + +/** + * gst_base_audio_encoder_get_latency: + * @enc: a #GstBaseAudioEncoder + * @min: a pointer to storage to hold minimum latency + * @max: a pointer to storage to hold maximum latency + * + * Returns currently configured latency. + */ +void +gst_base_audio_encoder_get_latency (GstBaseAudioEncoder * enc, + GstClockTime * min, GstClockTime * max) +{ + g_return_if_fail (GST_IS_BASE_AUDIO_ENCODER (enc)); + + GST_OBJECT_LOCK (enc); + if (min) + *min = enc->priv->ctx.min_latency; + if (max) + *max = enc->priv->ctx.max_latency; + GST_OBJECT_UNLOCK (enc); +} diff --git a/gst-libs/gst/audio/gstbaseaudioencoder.h b/gst-libs/gst/audio/gstbaseaudioencoder.h index abb6de5..f3fdb1c 100644 --- a/gst-libs/gst/audio/gstbaseaudioencoder.h +++ b/gst-libs/gst/audio/gstbaseaudioencoder.h @@ -88,33 +88,6 @@ typedef struct _GstBaseAudioEncoder GstBaseAudioEncoder; typedef struct _GstBaseAudioEncoderClass GstBaseAudioEncoderClass; typedef struct _GstBaseAudioEncoderPrivate GstBaseAudioEncoderPrivate; -typedef struct _GstBaseAudioEncoderContext GstBaseAudioEncoderContext; - -/** - * GstBaseAudioEncoderContext: - * @state: a #GstAudioState describing input audio format - * @frame_samples: number of samples (per channel) subclass needs to be handed, - * or will be handed all available if 0. - * @frame_max: max number of frames of size @frame_bytes accepted at once - * (assumed minimally 1) - * @min_latency: min latency of element - * @max_latency: max latency of element - * @lookahead: encoder lookahead (in units of input rate samples) - * - * Transparent #GstBaseAudioEncoderContext data structure. - */ -struct _GstBaseAudioEncoderContext { - /* input */ - GstAudioFormatInfo state; - - /* output */ - gint frame_samples; - gint frame_max; - gint lookahead; - /* MT-protected (with LOCK) */ - GstClockTime min_latency; - GstClockTime max_latency; -}; /** * GstBaseAudioEncoder: @@ -132,7 +105,6 @@ struct _GstBaseAudioEncoder { /* MT-protected (with STREAM_LOCK) */ GstSegment segment; - GstBaseAudioEncoderContext *ctx; /* properties */ gint64 tolerance; @@ -219,6 +191,26 @@ GstFlowReturn gst_base_audio_encoder_finish_frame (GstBaseAudioEncoder * enc, GstCaps * gst_base_audio_encoder_proxy_getcaps (GstBaseAudioEncoder * enc, GstCaps * caps); + +GstAudioFormatInfo * gst_base_audio_encoder_get_info (GstBaseAudioEncoder * enc); + +gint gst_base_audio_encoder_get_frame_samples (GstBaseAudioEncoder * enc); +void gst_base_audio_encoder_set_frame_samples (GstBaseAudioEncoder * enc, + gint num); + +gint gst_base_audio_encoder_get_frame_max (GstBaseAudioEncoder * enc); +void gst_base_audio_encoder_set_frame_max (GstBaseAudioEncoder * enc, + gint num); + +gint gst_base_audio_encoder_get_lookahead (GstBaseAudioEncoder * enc); +void gst_base_audio_encoder_set_lookahead (GstBaseAudioEncoder * enc, + gint num); + +void gst_base_audio_encoder_get_latency (GstBaseAudioEncoder * enc, + GstClockTime * min, GstClockTime * max); +void gst_base_audio_encoder_set_latency (GstBaseAudioEncoder * enc, + GstClockTime min, GstClockTime max); + G_END_DECLS #endif /* __GST_BASE_AUDIO_ENCODER_H__ */ -- 2.7.4