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https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-11-03 09:01:54 -05:00
pulse-server: handle format_info
Parse the format_info in CREATE_STREAM and use this to negotiate the stream. Implement channel_map parsing. Delay setting up the buffer attributes until we have negotiated a format. Makes GStreamer pulsesink work (rhythmbox,... )
This commit is contained in:
Wim Taymans
parent
aea7ace124
commit
5b32125d44
2 changed files with 384 additions and 142 deletions
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@ -22,6 +22,9 @@
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* DEALINGS IN THE SOFTWARE.
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*/
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#define RATE_MAX (48000u*8u)
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#define CHANNELS_MAX (64u)
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enum sample_format {
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SAMPLE_U8,
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SAMPLE_ALAW,
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@ -69,6 +72,16 @@ static inline uint32_t format_pa2id(enum sample_format format)
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return audio_formats[format].format;
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}
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static inline enum sample_format format_name2pa(const char *name, size_t size)
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{
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size_t i;
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for (i = 0; i < SPA_N_ELEMENTS(audio_formats); i++) {
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if (strncmp(name, audio_formats[i].name, size) == 0)
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return i;
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}
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return SAMPLE_INVALID;
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}
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static inline enum sample_format format_id2pa(uint32_t id)
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{
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size_t i;
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@ -79,7 +92,6 @@ static inline enum sample_format format_id2pa(uint32_t id)
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return SAMPLE_INVALID;
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}
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struct sample_spec {
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enum sample_format format;
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uint32_t rate;
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@ -93,13 +105,184 @@ static inline uint32_t sample_spec_frame_size(const struct sample_spec *ss)
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return audio_formats[ss->format].size * ss->channels;
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}
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#define CHANNELS_MAX 64
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static inline bool sample_spec_valid(const struct sample_spec *ss)
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{
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return (ss->format < SAMPLE_MAX &&
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ss->rate > 0 && ss->rate <= RATE_MAX &&
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ss->channels > 0 && ss->channels <= CHANNELS_MAX);
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}
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enum channel_position {
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CHANNEL_POSITION_INVALID = -1,
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CHANNEL_POSITION_MONO = 0,
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CHANNEL_POSITION_FRONT_LEFT,
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CHANNEL_POSITION_FRONT_RIGHT,
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CHANNEL_POSITION_FRONT_CENTER,
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CHANNEL_POSITION_REAR_CENTER,
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CHANNEL_POSITION_REAR_LEFT,
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CHANNEL_POSITION_REAR_RIGHT,
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CHANNEL_POSITION_LFE,
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CHANNEL_POSITION_FRONT_LEFT_OF_CENTER,
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CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER,
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CHANNEL_POSITION_SIDE_LEFT,
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CHANNEL_POSITION_SIDE_RIGHT,
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CHANNEL_POSITION_AUX0,
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CHANNEL_POSITION_AUX1,
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CHANNEL_POSITION_AUX2,
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CHANNEL_POSITION_AUX3,
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CHANNEL_POSITION_AUX4,
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CHANNEL_POSITION_AUX5,
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CHANNEL_POSITION_AUX6,
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CHANNEL_POSITION_AUX7,
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CHANNEL_POSITION_AUX8,
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CHANNEL_POSITION_AUX9,
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CHANNEL_POSITION_AUX10,
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CHANNEL_POSITION_AUX11,
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CHANNEL_POSITION_AUX12,
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CHANNEL_POSITION_AUX13,
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CHANNEL_POSITION_AUX14,
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CHANNEL_POSITION_AUX15,
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CHANNEL_POSITION_AUX16,
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CHANNEL_POSITION_AUX17,
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CHANNEL_POSITION_AUX18,
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CHANNEL_POSITION_AUX19,
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CHANNEL_POSITION_AUX20,
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CHANNEL_POSITION_AUX21,
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CHANNEL_POSITION_AUX22,
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CHANNEL_POSITION_AUX23,
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CHANNEL_POSITION_AUX24,
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CHANNEL_POSITION_AUX25,
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CHANNEL_POSITION_AUX26,
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CHANNEL_POSITION_AUX27,
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CHANNEL_POSITION_AUX28,
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CHANNEL_POSITION_AUX29,
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CHANNEL_POSITION_AUX30,
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CHANNEL_POSITION_AUX31,
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CHANNEL_POSITION_TOP_CENTER,
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CHANNEL_POSITION_TOP_FRONT_LEFT,
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CHANNEL_POSITION_TOP_FRONT_RIGHT,
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CHANNEL_POSITION_TOP_FRONT_CENTER,
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CHANNEL_POSITION_TOP_REAR_LEFT,
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CHANNEL_POSITION_TOP_REAR_RIGHT,
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CHANNEL_POSITION_TOP_REAR_CENTER,
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CHANNEL_POSITION_MAX
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};
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struct channel {
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uint32_t channel;
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const char *name;
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};
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static const struct channel audio_channels[] = {
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[CHANNEL_POSITION_MONO] = { SPA_AUDIO_CHANNEL_MONO, "mono", },
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[CHANNEL_POSITION_FRONT_LEFT] = { SPA_AUDIO_CHANNEL_FL, "front-left", },
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[CHANNEL_POSITION_FRONT_RIGHT] = { SPA_AUDIO_CHANNEL_FR, "front-right", },
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[CHANNEL_POSITION_FRONT_CENTER] = { SPA_AUDIO_CHANNEL_FC, "front-center", },
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[CHANNEL_POSITION_REAR_CENTER] = { SPA_AUDIO_CHANNEL_RC, "rear-center", },
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[CHANNEL_POSITION_REAR_LEFT] = { SPA_AUDIO_CHANNEL_RL, "rear-left", },
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[CHANNEL_POSITION_REAR_RIGHT] = { SPA_AUDIO_CHANNEL_RR, "rear-right", },
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[CHANNEL_POSITION_LFE] = { SPA_AUDIO_CHANNEL_LFE, "lfe", },
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[CHANNEL_POSITION_FRONT_LEFT_OF_CENTER] = { SPA_AUDIO_CHANNEL_FLC, "front-left-of-center", },
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[CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER] = { SPA_AUDIO_CHANNEL_FRC, "front-right-of-center", },
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[CHANNEL_POSITION_SIDE_LEFT] = { SPA_AUDIO_CHANNEL_SL, "side-left", },
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[CHANNEL_POSITION_SIDE_RIGHT] = { SPA_AUDIO_CHANNEL_SR, "side-right", },
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[CHANNEL_POSITION_AUX0] = { SPA_AUDIO_CHANNEL_CUSTOM_START + 1, "aux0", },
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[CHANNEL_POSITION_AUX1] = { SPA_AUDIO_CHANNEL_CUSTOM_START + 2, "aux1", },
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[CHANNEL_POSITION_AUX2] = { SPA_AUDIO_CHANNEL_CUSTOM_START + 3, "aux2", },
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[CHANNEL_POSITION_AUX3] = { SPA_AUDIO_CHANNEL_CUSTOM_START + 4, "aux3", },
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[CHANNEL_POSITION_AUX4] = { SPA_AUDIO_CHANNEL_CUSTOM_START + 5, "aux4", },
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[CHANNEL_POSITION_AUX5] = { SPA_AUDIO_CHANNEL_CUSTOM_START + 6, "aux5", },
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[CHANNEL_POSITION_AUX6] = { SPA_AUDIO_CHANNEL_CUSTOM_START + 7, "aux6", },
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[CHANNEL_POSITION_AUX7] = { SPA_AUDIO_CHANNEL_CUSTOM_START + 8, "aux7", },
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[CHANNEL_POSITION_AUX8] = { SPA_AUDIO_CHANNEL_CUSTOM_START + 9, "aux8", },
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[CHANNEL_POSITION_AUX9] = { SPA_AUDIO_CHANNEL_CUSTOM_START + 10, "aux9", },
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[CHANNEL_POSITION_AUX10] = { SPA_AUDIO_CHANNEL_CUSTOM_START + 11, "aux10", },
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[CHANNEL_POSITION_AUX11] = { SPA_AUDIO_CHANNEL_CUSTOM_START + 12, "aux11", },
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[CHANNEL_POSITION_AUX12] = { SPA_AUDIO_CHANNEL_CUSTOM_START + 13, "aux12", },
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[CHANNEL_POSITION_AUX13] = { SPA_AUDIO_CHANNEL_CUSTOM_START + 14, "aux13", },
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[CHANNEL_POSITION_AUX14] = { SPA_AUDIO_CHANNEL_CUSTOM_START + 15, "aux14", },
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[CHANNEL_POSITION_AUX15] = { SPA_AUDIO_CHANNEL_CUSTOM_START + 16, "aux15", },
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[CHANNEL_POSITION_AUX16] = { SPA_AUDIO_CHANNEL_CUSTOM_START + 17, "aux16", },
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[CHANNEL_POSITION_AUX17] = { SPA_AUDIO_CHANNEL_CUSTOM_START + 18, "aux17", },
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[CHANNEL_POSITION_AUX18] = { SPA_AUDIO_CHANNEL_CUSTOM_START + 19, "aux18", },
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[CHANNEL_POSITION_AUX19] = { SPA_AUDIO_CHANNEL_CUSTOM_START + 20, "aux19", },
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[CHANNEL_POSITION_AUX20] = { SPA_AUDIO_CHANNEL_CUSTOM_START + 21, "aux20", },
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[CHANNEL_POSITION_AUX21] = { SPA_AUDIO_CHANNEL_CUSTOM_START + 22, "aux21", },
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[CHANNEL_POSITION_AUX22] = { SPA_AUDIO_CHANNEL_CUSTOM_START + 23, "aux22", },
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[CHANNEL_POSITION_AUX23] = { SPA_AUDIO_CHANNEL_CUSTOM_START + 24, "aux23", },
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[CHANNEL_POSITION_AUX24] = { SPA_AUDIO_CHANNEL_CUSTOM_START + 25, "aux24", },
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[CHANNEL_POSITION_AUX25] = { SPA_AUDIO_CHANNEL_CUSTOM_START + 26, "aux25", },
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[CHANNEL_POSITION_AUX26] = { SPA_AUDIO_CHANNEL_CUSTOM_START + 27, "aux26", },
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[CHANNEL_POSITION_AUX27] = { SPA_AUDIO_CHANNEL_CUSTOM_START + 28, "aux27", },
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[CHANNEL_POSITION_AUX28] = { SPA_AUDIO_CHANNEL_CUSTOM_START + 29, "aux28", },
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[CHANNEL_POSITION_AUX29] = { SPA_AUDIO_CHANNEL_CUSTOM_START + 30, "aux29", },
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[CHANNEL_POSITION_AUX30] = { SPA_AUDIO_CHANNEL_CUSTOM_START + 31, "aux30", },
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[CHANNEL_POSITION_AUX31] = { SPA_AUDIO_CHANNEL_CUSTOM_START + 32, "aux31", },
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[CHANNEL_POSITION_TOP_CENTER] = { SPA_AUDIO_CHANNEL_TC, "top-center", },
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[CHANNEL_POSITION_TOP_FRONT_LEFT] = { SPA_AUDIO_CHANNEL_TFL, "top-front-left", },
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[CHANNEL_POSITION_TOP_FRONT_RIGHT] = { SPA_AUDIO_CHANNEL_TFR, "top-front-right", },
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[CHANNEL_POSITION_TOP_FRONT_CENTER] = { SPA_AUDIO_CHANNEL_TFC, "top-front-center", },
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[CHANNEL_POSITION_TOP_REAR_LEFT] = { SPA_AUDIO_CHANNEL_TRL, "top-rear-left", },
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[CHANNEL_POSITION_TOP_REAR_RIGHT] = { SPA_AUDIO_CHANNEL_TRR, "top-rear-right", },
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[CHANNEL_POSITION_TOP_REAR_CENTER] = { SPA_AUDIO_CHANNEL_TRC, "top-rear-center", },
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};
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struct channel_map {
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uint8_t channels;
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uint32_t map[CHANNELS_MAX];
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enum channel_position map[CHANNELS_MAX];
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};
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static inline uint32_t channel_pa2id(enum channel_position channel)
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{
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if (channel < 0 || (size_t)channel >= SPA_N_ELEMENTS(audio_channels))
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return SPA_AUDIO_CHANNEL_UNKNOWN;
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return audio_channels[channel].channel;
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}
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static inline enum channel_position channel_id2pa(uint32_t id, uint32_t *aux)
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{
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size_t i;
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for (i = 0; i < SPA_N_ELEMENTS(audio_channels); i++) {
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if (id == audio_channels[i].channel)
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return i;
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}
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return CHANNEL_POSITION_AUX0 + (*aux)++;
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}
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static inline enum channel_position channel_name2pa(const char *name, size_t size)
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{
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size_t i;
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for (i = 0; i < SPA_N_ELEMENTS(audio_channels); i++) {
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if (strncmp(name, audio_channels[i].name, size) == 0)
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return i;
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}
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return CHANNEL_POSITION_INVALID;
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}
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static void channel_map_to_positions(const struct channel_map *map, uint32_t *pos)
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{
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int i;
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for (i = 0; i < map->channels; i++)
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pos[i] = channel_pa2id(map->map[i]);
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}
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struct cvolume {
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uint8_t channels;
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float values[CHANNELS_MAX];
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@ -127,7 +310,7 @@ struct format_info {
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static int format_parse_param(const struct spa_pod *param, struct sample_spec *ss, struct channel_map *map)
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{
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struct spa_audio_info info = { 0 };
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// uint32_t i;
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uint32_t i, aux = 0;
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spa_format_parse(param, &info.media_type, &info.media_subtype);
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@ -146,8 +329,64 @@ static int format_parse_param(const struct spa_pod *param, struct sample_spec *s
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ss->channels = info.info.raw.channels;
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map->channels = info.info.raw.channels;
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// for (i = 0; i < map->channels; i++)
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// map->map[i] = info.info.raw.position[i];
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for (i = 0; i < map->channels; i++)
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map->map[i] = channel_id2pa(info.info.raw.position[i], &aux);
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return 0;
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}
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static const struct spa_pod *format_build_param(struct spa_pod_builder *b,
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uint32_t id, struct sample_spec *spec, struct channel_map *map)
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{
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struct spa_audio_info_raw info;
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info = SPA_AUDIO_INFO_RAW_INIT(
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.format = format_pa2id(spec->format),
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.channels = spec->channels,
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.rate = spec->rate);
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if (map)
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channel_map_to_positions(map, info.position);
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return spa_format_audio_raw_build(b, id, &info);
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}
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static const struct spa_pod *format_info_build_param(struct spa_pod_builder *b,
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uint32_t id, struct format_info *info)
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{
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const char *str;
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struct sample_spec ss;
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struct channel_map map, *pmap = NULL;
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size_t size;
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spa_zero(ss);
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spa_zero(map);
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if ((str = pw_properties_get(info->props, "format.sample_format")) == NULL)
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return NULL;
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if (str[0] != '\"')
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return NULL;
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str++;
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size = strcspn(str, "\"");
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ss.format = format_name2pa(str, size);
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if (ss.format == SAMPLE_INVALID)
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return NULL;
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if ((str = pw_properties_get(info->props, "format.rate")) == NULL)
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return NULL;
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ss.rate = atoi(str);
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if ((str = pw_properties_get(info->props, "format.channels")) == NULL)
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return NULL;
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ss.channels = atoi(str);
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if ((str = pw_properties_get(info->props, "format.channel_map")) != NULL) {
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while ((*str == '\"' || *str == ',') &&
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(size = strcspn(++str, "\",")) > 0) {
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map.map[map.channels++] = channel_name2pa(str, size);
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str += size;
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}
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if (map.channels == ss.channels)
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pmap = ↦
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}
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return format_build_param(b, id, &ss, pmap);
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}
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