diff options
Diffstat (limited to 'examples')
-rw-r--r-- | examples/example_audio.c | 140 | ||||
-rw-r--r-- | examples/example_video.c (renamed from examples/example_play.c) | 7 |
2 files changed, 147 insertions, 0 deletions
diff --git a/examples/example_audio.c b/examples/example_audio.c new file mode 100644 index 0000000..d7fdd2a --- /dev/null +++ b/examples/example_audio.c @@ -0,0 +1,140 @@ +#include <kitchensink/kitchensink.h> +#include <SDL2/SDL.h> +#include <stdio.h> +#include <stdbool.h> + +/* +* Requires SDL2 2.0.4 ! +* +* Note! This example does not do proper error handling etc. +* It is for example use only! +*/ + +#define AUDIOBUFFER_SIZE 8192 + +const char *stream_types[] = { + "KIT_STREAMTYPE_UNKNOWN", + "KIT_STREAMTYPE_VIDEO", + "KIT_STREAMTYPE_AUDIO", + "KIT_STREAMTYPE_DATA", + "KIT_STREAMTYPE_SUBTITLE", + "KIT_STREAMTYPE_ATTACHMENT" +}; + +int main(int argc, char *argv[]) { + int err = 0, ret = 0; + const char* filename = NULL; + + // Events + bool run = true; + + // Kitchensink + Kit_Source *src = NULL; + Kit_Player *player = NULL; + + // Audio playback + SDL_AudioSpec wanted_spec, audio_spec; + SDL_AudioDeviceID audio_dev; + char audiobuf[AUDIOBUFFER_SIZE]; + + // Get filename to open + if(argc != 2) { + fprintf(stderr, "Usage: exampleplay <filename>\n"); + return 0; + } + filename = argv[1]; + + // Init SDL + err = SDL_Init(SDL_INIT_AUDIO); + if(err != 0) { + fprintf(stderr, "Unable to initialize SDL!\n"); + return 1; + } + + Kit_Init(KIT_INIT_FORMATS|KIT_INIT_NETWORK); + + // Open up the sourcefile. + src = Kit_CreateSourceFromUrl(filename); + if(src == NULL) { + fprintf(stderr, "Unable to load file '%s': %s\n", filename, Kit_GetError()); + return 1; + } + + // Print stream information + Kit_StreamInfo sinfo; + fprintf(stderr, "Source streams:\n"); + for(int i = 0; i < Kit_GetSourceStreamCount(src); i++) { + err = Kit_GetSourceStreamInfo(src, &sinfo, i); + if(err) { + fprintf(stderr, "Unable to fetch stream #%d information: %s.\n", i, Kit_GetError()); + return 1; + } + fprintf(stderr, " * Stream #%d: %s\n", i, stream_types[sinfo.type]); + } + + // Create the player + player = Kit_CreatePlayer(src); + if(player == NULL) { + fprintf(stderr, "Unable to create player: %s\n", Kit_GetError()); + return 1; + } + + // Print some information + Kit_PlayerInfo pinfo; + Kit_GetPlayerInfo(player, &pinfo); + + if(!pinfo.audio.is_enabled) { + fprintf(stderr, "File contains no audio!\n"); + return 1; + } + + fprintf(stderr, "Media information:\n"); + fprintf(stderr, " * Audio: %s (%s), %dHz, %dch, %db, %s\n", + pinfo.acodec, + pinfo.acodec_name, + pinfo.audio.samplerate, + pinfo.audio.channels, + pinfo.audio.bytes, + pinfo.audio.is_signed ? "signed" : "unsigned"); + + // Init audio + SDL_memset(&wanted_spec, 0, sizeof(wanted_spec)); + wanted_spec.freq = pinfo.audio.samplerate; + wanted_spec.format = AUDIO_S16SYS; + wanted_spec.channels = pinfo.audio.channels; + audio_dev = SDL_OpenAudioDevice(NULL, 0, &wanted_spec, &audio_spec, 0); + SDL_PauseAudioDevice(audio_dev, 0); + + // Start playback + Kit_PlayerPlay(player); + + while(run) { + if(Kit_GetPlayerState(player) == KIT_STOPPED) { + run = false; + continue; + } + + // Refresh audio + ret = SDL_GetQueuedAudioSize(audio_dev); + if(ret < AUDIOBUFFER_SIZE) { + ret = Kit_GetAudioData(player, (unsigned char*)audiobuf, AUDIOBUFFER_SIZE); + if(ret > 0) { + SDL_LockAudio(); + SDL_QueueAudio(audio_dev, audiobuf, ret); + SDL_UnlockAudio(); + SDL_PauseAudioDevice(audio_dev, 0); + } + } + + SDL_Delay(1); + } + + SDL_CloseAudioDevice(audio_dev); + + Kit_ClosePlayer(player); + Kit_CloseSource(src); + + Kit_Quit(); + SDL_Quit(); + return 0; +} diff --git a/examples/example_play.c b/examples/example_video.c index 1f31a6a..1afe957 100644 --- a/examples/example_play.c +++ b/examples/example_video.c @@ -132,6 +132,12 @@ int main(int argc, char *argv[]) { // Print some information Kit_PlayerInfo pinfo; Kit_GetPlayerInfo(player, &pinfo); + + if(!pinfo.video.is_enabled) { + fprintf(stderr, "File contains no video!\n"); + return 1; + } + fprintf(stderr, "Media information:\n"); fprintf(stderr, " * Audio: %s (%s), %dHz, %dch, %db, %s\n", pinfo.acodec, @@ -170,6 +176,7 @@ int main(int argc, char *argv[]) { // Set logical size for the renderer. This way when we scale, we keep aspect ratio. SDL_RenderSetLogicalSize(renderer, pinfo.video.width, pinfo.video.height); + // Start playback Kit_PlayerPlay(player); while(run) { |