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Parse format param and store in node
This commit is contained in:
Wim Taymans
parent
0d6bbaa7e1
commit
18b4aee677
4 changed files with 187 additions and 165 deletions
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@ -26,6 +26,118 @@
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#include "internal.h"
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static const uint32_t audio_formats[] = {
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[PA_SAMPLE_U8] = SPA_AUDIO_FORMAT_U8,
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[PA_SAMPLE_ALAW] = SPA_AUDIO_FORMAT_UNKNOWN,
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[PA_SAMPLE_ULAW] = SPA_AUDIO_FORMAT_UNKNOWN,
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[PA_SAMPLE_S16NE] = SPA_AUDIO_FORMAT_S16,
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[PA_SAMPLE_S16RE] = SPA_AUDIO_FORMAT_S16_OE,
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[PA_SAMPLE_FLOAT32NE] = SPA_AUDIO_FORMAT_F32,
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[PA_SAMPLE_FLOAT32RE] = SPA_AUDIO_FORMAT_F32_OE,
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[PA_SAMPLE_S32NE] = SPA_AUDIO_FORMAT_S32,
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[PA_SAMPLE_S32RE] = SPA_AUDIO_FORMAT_S32_OE,
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[PA_SAMPLE_S24NE] = SPA_AUDIO_FORMAT_S24,
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[PA_SAMPLE_S24RE] = SPA_AUDIO_FORMAT_S24_OE,
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[PA_SAMPLE_S24_32NE] = SPA_AUDIO_FORMAT_S24_32,
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[PA_SAMPLE_S24_32RE] = SPA_AUDIO_FORMAT_S24_32_OE,
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};
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static inline uint32_t format_pa2id(pa_sample_format_t format)
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{
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if (format < 0 || (size_t)format >= SPA_N_ELEMENTS(audio_formats))
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return SPA_AUDIO_FORMAT_UNKNOWN;
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return audio_formats[format];
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}
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static inline pa_sample_format_t format_id2pa(uint32_t id)
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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 (id == audio_formats[i])
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return i;
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}
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return PA_SAMPLE_INVALID;
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}
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static const uint32_t audio_channels[] = {
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[PA_CHANNEL_POSITION_MONO] = SPA_AUDIO_CHANNEL_MONO,
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[PA_CHANNEL_POSITION_FRONT_LEFT] = SPA_AUDIO_CHANNEL_FL,
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[PA_CHANNEL_POSITION_FRONT_RIGHT] = SPA_AUDIO_CHANNEL_FR,
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[PA_CHANNEL_POSITION_FRONT_CENTER] = SPA_AUDIO_CHANNEL_FC,
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[PA_CHANNEL_POSITION_REAR_CENTER] = SPA_AUDIO_CHANNEL_RC,
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[PA_CHANNEL_POSITION_REAR_LEFT] = SPA_AUDIO_CHANNEL_RL,
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[PA_CHANNEL_POSITION_REAR_RIGHT] = SPA_AUDIO_CHANNEL_RR,
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[PA_CHANNEL_POSITION_LFE] = SPA_AUDIO_CHANNEL_LFE,
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[PA_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER] = SPA_AUDIO_CHANNEL_FLC,
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[PA_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER] = SPA_AUDIO_CHANNEL_FRC,
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[PA_CHANNEL_POSITION_SIDE_LEFT] = SPA_AUDIO_CHANNEL_SL,
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[PA_CHANNEL_POSITION_SIDE_RIGHT] = SPA_AUDIO_CHANNEL_SR,
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[PA_CHANNEL_POSITION_AUX0] = SPA_AUDIO_CHANNEL_CUSTOM_START + 1,
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[PA_CHANNEL_POSITION_AUX1] = SPA_AUDIO_CHANNEL_CUSTOM_START + 2,
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[PA_CHANNEL_POSITION_AUX2] = SPA_AUDIO_CHANNEL_CUSTOM_START + 3,
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[PA_CHANNEL_POSITION_AUX3] = SPA_AUDIO_CHANNEL_CUSTOM_START + 4,
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[PA_CHANNEL_POSITION_AUX4] = SPA_AUDIO_CHANNEL_CUSTOM_START + 5,
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[PA_CHANNEL_POSITION_AUX5] = SPA_AUDIO_CHANNEL_CUSTOM_START + 6,
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[PA_CHANNEL_POSITION_AUX6] = SPA_AUDIO_CHANNEL_CUSTOM_START + 7,
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[PA_CHANNEL_POSITION_AUX7] = SPA_AUDIO_CHANNEL_CUSTOM_START + 8,
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[PA_CHANNEL_POSITION_AUX8] = SPA_AUDIO_CHANNEL_CUSTOM_START + 9,
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[PA_CHANNEL_POSITION_AUX9] = SPA_AUDIO_CHANNEL_CUSTOM_START + 10,
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[PA_CHANNEL_POSITION_AUX10] = SPA_AUDIO_CHANNEL_CUSTOM_START + 11,
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[PA_CHANNEL_POSITION_AUX11] = SPA_AUDIO_CHANNEL_CUSTOM_START + 12,
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[PA_CHANNEL_POSITION_AUX12] = SPA_AUDIO_CHANNEL_CUSTOM_START + 13,
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[PA_CHANNEL_POSITION_AUX13] = SPA_AUDIO_CHANNEL_CUSTOM_START + 14,
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[PA_CHANNEL_POSITION_AUX14] = SPA_AUDIO_CHANNEL_CUSTOM_START + 15,
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[PA_CHANNEL_POSITION_AUX15] = SPA_AUDIO_CHANNEL_CUSTOM_START + 16,
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[PA_CHANNEL_POSITION_AUX16] = SPA_AUDIO_CHANNEL_CUSTOM_START + 17,
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[PA_CHANNEL_POSITION_AUX17] = SPA_AUDIO_CHANNEL_CUSTOM_START + 18,
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[PA_CHANNEL_POSITION_AUX18] = SPA_AUDIO_CHANNEL_CUSTOM_START + 19,
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[PA_CHANNEL_POSITION_AUX19] = SPA_AUDIO_CHANNEL_CUSTOM_START + 20,
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[PA_CHANNEL_POSITION_AUX20] = SPA_AUDIO_CHANNEL_CUSTOM_START + 21,
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[PA_CHANNEL_POSITION_AUX21] = SPA_AUDIO_CHANNEL_CUSTOM_START + 22,
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[PA_CHANNEL_POSITION_AUX22] = SPA_AUDIO_CHANNEL_CUSTOM_START + 23,
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[PA_CHANNEL_POSITION_AUX23] = SPA_AUDIO_CHANNEL_CUSTOM_START + 24,
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[PA_CHANNEL_POSITION_AUX24] = SPA_AUDIO_CHANNEL_CUSTOM_START + 25,
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[PA_CHANNEL_POSITION_AUX25] = SPA_AUDIO_CHANNEL_CUSTOM_START + 26,
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[PA_CHANNEL_POSITION_AUX26] = SPA_AUDIO_CHANNEL_CUSTOM_START + 27,
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[PA_CHANNEL_POSITION_AUX27] = SPA_AUDIO_CHANNEL_CUSTOM_START + 28,
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[PA_CHANNEL_POSITION_AUX28] = SPA_AUDIO_CHANNEL_CUSTOM_START + 29,
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[PA_CHANNEL_POSITION_AUX29] = SPA_AUDIO_CHANNEL_CUSTOM_START + 30,
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[PA_CHANNEL_POSITION_AUX30] = SPA_AUDIO_CHANNEL_CUSTOM_START + 31,
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[PA_CHANNEL_POSITION_AUX31] = SPA_AUDIO_CHANNEL_CUSTOM_START + 32,
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[PA_CHANNEL_POSITION_TOP_CENTER] = SPA_AUDIO_CHANNEL_TC,
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[PA_CHANNEL_POSITION_TOP_FRONT_LEFT] = SPA_AUDIO_CHANNEL_TFL,
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[PA_CHANNEL_POSITION_TOP_FRONT_RIGHT] = SPA_AUDIO_CHANNEL_TFR,
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[PA_CHANNEL_POSITION_TOP_FRONT_CENTER] = SPA_AUDIO_CHANNEL_TFC,
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[PA_CHANNEL_POSITION_TOP_REAR_LEFT] = SPA_AUDIO_CHANNEL_TRL,
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[PA_CHANNEL_POSITION_TOP_REAR_RIGHT] = SPA_AUDIO_CHANNEL_TRR,
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[PA_CHANNEL_POSITION_TOP_REAR_CENTER] = SPA_AUDIO_CHANNEL_TRC,
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};
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static inline uint32_t channel_pa2id(pa_channel_position_t 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];
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}
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static inline pa_channel_position_t channel_id2pa(uint32_t id)
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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])
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return i;
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}
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return PA_CHANNEL_POSITION_INVALID;
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}
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SPA_EXPORT
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int pa_format_info_get_sample_format(const pa_format_info *f, pa_sample_format_t *sf) {
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int r;
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@ -246,3 +358,54 @@ int pa_format_info_to_sample_spec_fake(const pa_format_info *f, pa_sample_spec *
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return 0;
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}
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int pa_format_parse_param(const struct spa_pod *param, pa_sample_spec *spec, pa_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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if (param == NULL)
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return -EINVAL;
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spa_format_parse(param, &info.media_type, &info.media_subtype);
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if (info.media_type != SPA_MEDIA_TYPE_audio ||
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info.media_subtype != SPA_MEDIA_SUBTYPE_raw ||
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spa_format_audio_raw_parse(param, &info.info.raw) < 0 ||
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!SPA_AUDIO_FORMAT_IS_INTERLEAVED(info.info.raw.format)) {
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return -ENOTSUP;
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}
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spec->format = format_id2pa(info.info.raw.format);
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if (spec->format == PA_SAMPLE_INVALID)
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return -ENOTSUP;
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spec->rate = info.info.raw.rate;
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spec->channels = info.info.raw.channels;
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pa_channel_map_init(map);
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map->channels = info.info.raw.channels;
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for (i = 0; i < info.info.raw.channels; i++)
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map->map[i] = channel_id2pa(info.info.raw.position[i]);
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if (!pa_channel_map_valid(map))
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pa_channel_map_init_auto(map, info.info.raw.channels, PA_CHANNEL_MAP_DEFAULT);
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return 0;
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}
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const struct spa_pod *pa_format_build_param(struct spa_pod_builder *b,
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uint32_t id, pa_sample_spec *spec, pa_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( .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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int i;
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for (i = 0; i < map->channels; i++)
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info.position[i] = channel_pa2id(map->map[i]);
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}
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return spa_format_audio_raw_build(b, id, &info);
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}
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