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Fix seeking issues in winamp
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67c9854a82
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@ -1316,35 +1316,30 @@ void winamp_EQSet(int on, char data[10], int preamp) {
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/*****************************************************************************/
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/* MAIN DECODE (some used in extended part too, so avoid globals) */
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static void setup_seek(winamp_state_t* state, int32_t max_samples, int play_forever) {
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/* adjust seeking past file, can happen using the right (->) key
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* (should be done here and not in SetOutputTime due to threads/race conditions) */
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if (state->seek_sample > max_samples && !play_forever) {
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state->seek_sample = max_samples;
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}
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#if 0
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/* reset if we need to seek backwards (causes funny cursor jumps though) */
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if (state->seek_sample < state->decode_pos_samples) {
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state->decode_pos_samples = 0;
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state->decode_pos_ms = 0;
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}
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/* seek done */
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else if (state->decode_pos_samples >= state->seek_sample) {
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state->seek_sample = -1;
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}
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#endif
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}
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static void do_seek(winamp_state_t* state, VGMSTREAM* vgmstream) {
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/* could divide in N seeks (from pos) for slower files so cursor moves, but doesn't seem too necessary */
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seek_vgmstream(vgmstream, state->seek_sample);
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int play_forever = vgmstream_get_play_forever(vgmstream);
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int seek_sample = state->seek_sample; /* local due to threads/race conditions changing state->seek_sample elsewhere */
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/* discard decoded samples and keep seeking */
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state->decode_pos_samples = state->seek_sample;
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/* ignore seeking past file, can happen using the right (->) key, ok if playing forever */
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if (state->seek_sample > state->length_samples && !play_forever) {
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state->seek_sample = -1;
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//state->seek_sample = state->length_samples;
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//seek_sample = state->length_samples;
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state->decode_pos_samples = state->length_samples;
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state->decode_pos_ms = state->decode_pos_samples * 1000LL / vgmstream->sample_rate;
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return;
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}
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/* could divide in N seeks (from pos) for slower files so cursor moves, but doesn't seem too necessary */
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seek_vgmstream(vgmstream, seek_sample);
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state->decode_pos_samples = seek_sample;
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state->decode_pos_ms = state->decode_pos_samples * 1000LL / vgmstream->sample_rate;
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state->seek_sample = -1;
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/* different sample: other seek may have been requested during seek_vgmstream */
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if (state->seek_sample == seek_sample)
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state->seek_sample = -1;
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}
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static void apply_gain(winamp_state_t* state, int samples_to_do) {
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@ -1365,21 +1360,19 @@ static void apply_gain(winamp_state_t* state, int samples_to_do) {
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/* the decode thread */
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DWORD WINAPI __stdcall decode(void *arg) {
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const int max_buffer_samples = SAMPLE_BUFFER_SIZE;
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const int max_samples = state.length_samples;
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int play_forever = vgmstream_get_play_forever(vgmstream);
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while (!state.decode_abort) {
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int samples_to_do;
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int output_bytes;
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if (state.decode_pos_samples + max_buffer_samples > state.length_samples && !play_forever)
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if (state.decode_pos_samples + max_buffer_samples > state.length_samples && !play_forever) {
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samples_to_do = state.length_samples - state.decode_pos_samples;
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else
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if (samples_to_do < 0) /* just in case */
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samples_to_do = 0;
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}
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else {
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samples_to_do = max_buffer_samples;
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/* seek setup */
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if (state.seek_sample >= 0) {
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setup_seek(&state, max_samples, play_forever);
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}
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output_bytes = (samples_to_do * state.output_channels * sizeof(short));
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@ -1398,7 +1391,8 @@ DWORD WINAPI __stdcall decode(void *arg) {
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do_seek(&state, vgmstream);
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/* flush Winamp buffers *after* fully seeking (allows to play buffered samples while we seek, feels a bit snappier) */
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input_module.outMod->Flush(state.decode_pos_ms);
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if (state.seek_sample < 0)
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input_module.outMod->Flush(state.decode_pos_ms);
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}
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else if (input_module.outMod->CanWrite() >= output_bytes) { /* decode */
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render_vgmstream(sample_buffer, samples_to_do, vgmstream);
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@ -1760,7 +1754,6 @@ __declspec(dllexport) void *winampGetExtendedRead_openW(const wchar_t *fn, int *
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/* decode len to dest buffer, called multiple times until file done or decoding is aborted */
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__declspec(dllexport) size_t winampGetExtendedRead_getData(void *handle, char *dest, size_t len, int *killswitch) {
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const int max_buffer_samples = SAMPLE_BUFFER_SIZE;
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const int max_samples = xstate.length_samples;
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unsigned copied = 0;
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int done = 0;
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VGMSTREAM* xvgmstream = handle;
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@ -1773,14 +1766,13 @@ __declspec(dllexport) size_t winampGetExtendedRead_getData(void *handle, char *d
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while (copied + (max_buffer_samples * xvgmstream->channels * sizeof(short)) < len && !done) {
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int samples_to_do;
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if (xstate.decode_pos_samples + max_buffer_samples > xstate.length_samples && !play_forever)
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if (xstate.decode_pos_samples + max_buffer_samples > xstate.length_samples && !play_forever) {
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samples_to_do = xstate.length_samples - xstate.decode_pos_samples;
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else
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if (samples_to_do < 0) /* just in case */
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samples_to_do = 0;
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}
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else {
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samples_to_do = max_buffer_samples;
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/* seek setup (max samples to skip if still seeking, mark done) */
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if (xstate.seek_sample != -1) {
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setup_seek(&xstate, max_samples, play_forever);
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}
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if (!samples_to_do) { /* track finished */
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