fix pocket-tts stream

This commit is contained in:
Xuan Son Nguyen
2026-08-18 20:58:16 +02:00
parent 14cc550c70
commit 2e26789a2e
+42 -10
View File
@@ -554,6 +554,9 @@ public:
chunk_idx = 0;
n_voice_pos = 0;
chunk_budget = 0;
stream = false;
pcm_sent = 0;
wav_header_sent = false;
}
int32_t set_input(const mtmd_helper_gen_audio_inp * inp) override {
@@ -623,6 +626,7 @@ public:
seed = inp->seed;
out_type = inp->out_type;
stream = inp->stream;
return 0;
}
@@ -711,26 +715,51 @@ public:
}
int32_t get_output(int32_t * out_sample_rate, const char ** out_data, size_t * out_data_len, int64_t * out_n_samples) override {
if (!flush_gen_wav()) {
return 1;
*out_sample_rate = info.sample_rate;
if (!stream) {
// one-shot call: force out whatever's left, regardless of window_frames
if (!flush_gen_wav()) {
return 1;
}
if (out_n_samples) {
*out_n_samples = (int64_t) audio_pcm.size();
}
if (out_type == MTMD_HELPER_GEN_AUDIO_OUTTYPE_PCM) {
*out_data = (const char *) audio_pcm.data();
*out_data_len = audio_pcm.size() * sizeof(float);
return 0;
}
out_buf.clear();
if (!write_wav16(out_buf, audio_pcm, info.sample_rate)) {
LOG_ERR("mtmd_helper_gen_audio: output too large for WAV\n");
return 1;
}
*out_data = out_buf.data();
*out_data_len = out_buf.size();
return 0;
}
*out_sample_rate = info.sample_rate;
// streaming: only return audio produced since the previous call
const size_t n_new = audio_pcm.size() - pcm_sent;
if (out_n_samples) {
*out_n_samples = (int64_t) audio_pcm.size();
*out_n_samples = (int64_t) n_new;
}
if (out_type == MTMD_HELPER_GEN_AUDIO_OUTTYPE_PCM) {
*out_data = (const char *) audio_pcm.data();
*out_data_len = audio_pcm.size() * sizeof(float);
*out_data = (const char *) (audio_pcm.data() + pcm_sent);
*out_data_len = n_new * sizeof(float);
pcm_sent = audio_pcm.size();
return 0;
}
out_buf.clear();
if (!write_wav16(out_buf, audio_pcm, info.sample_rate)) {
LOG_ERR("mtmd_helper_gen_audio: output too large for WAV\n");
return 1;
if (!wav_header_sent) {
write_wav16_header(out_buf, UINT32_MAX, info.sample_rate);
wav_header_sent = true;
}
append_wav16_pcm(out_buf, audio_pcm.data() + pcm_sent, n_new);
pcm_sent = audio_pcm.size();
*out_data = out_buf.data();
*out_data_len = out_buf.size();
return 0;
@@ -960,7 +989,7 @@ private:
LOG_ERR("mtmd_helper_gen_audio: mmproj has no voice encoder\n");
return false;
}
const std::string marker = mtmd_default_marker();
const std::string marker = mtmd_get_marker(mctx);
mtmd_input_text text{ marker.c_str(), marker.size(), false, true };
mtmd_input_chunks * chunks = mtmd_input_chunks_init();
const mtmd_bitmap * bptr = bitmap;
@@ -1042,6 +1071,9 @@ private:
std::vector<float> h_state_buf;
mtmd_helper_gen_audio_outtype out_type = MTMD_HELPER_GEN_AUDIO_OUTTYPE_WAV;
std::vector<char> out_buf;
bool stream = false;
size_t pcm_sent = 0; // samples already returned by get_output()
bool wav_header_sent = false;
};
static std::unique_ptr<mtmd_gen_audio_pipeline> make_pipeline(llama_context * lctx, mtmd_context * mctx) {