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bluez5: allow codecs to produce multiple packets from same data

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Codecs may need to fragment a single encoder frame across multiple
packets that are sent consecutively.

Allow codec->encode() to set need_flush=NEED_FLUSH_FRAGMENT, so that
sink should immediately call start_encode + encode with NULL input data,
to produce the next packet.

Previously, other return values than need_flush=1 were unused, so no
need to bump codec ABI for this.
This commit is contained in:
Pauli Virtanen 2022-04-30 20:54:32 +03:00
parent 0cab700c06
commit 3d4eafcb0f
7 changed files with 66 additions and 6 deletions
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6
spa/plugins/bluez5/a2dp-codecs.h
View file

@ -66,6 +66,12 @@ extern const char *codec_plugin_factory_name;
#define A2DP_CODEC_DEFAULT_RATE 48000
#define A2DP_CODEC_DEFAULT_CHANNELS 2
enum {
NEED_FLUSH_NO = 0,
NEED_FLUSH_ALL = 1,
NEED_FLUSH_FRAGMENT = 2,
};
struct a2dp_codec_audio_info {
uint32_t rate;
uint32_t channels;