#define TIMESCALE 1000
#define SampleLenFieldSize 4
+#define PTIME 20
// #define HAS_SPS_PARSER
SWITCH_MODULE_LOAD_FUNCTION(mod_mp4v2_load);
MP4SetVideoProfileLevel(mp4, 0x7F);
}
-static void record_video_thread(switch_core_session_t *session, void *obj)
-{
- struct record_helper *eh = obj;
- switch_channel_t *channel = switch_core_session_get_channel(session);
- switch_status_t status;
- switch_frame_t *read_frame;
- uint bytes;
- MP4FileHandle mp4;
- MP4TrackId video;
- unsigned char buf[40960];
- int len = 0;
- uint8_t iframe = 0;
- uint32_t *size = (uint32_t *)buf;
- uint8_t *hdr = NULL;
- uint8_t fragment_type;
- uint8_t nal_type;
- uint8_t start_bit;
- uint8_t *sps = NULL;
- // uint8_t *pps = NULL;
- int sps_set = 0;
- int pps_set = 0;
-
- eh->up = 1;
- mp4 = eh->fd;
-
- /* Tell the channel to request a fresh vid frame */
- switch_core_session_request_video_refresh(session);
-
- len = 0;
- while (switch_channel_ready(channel) && eh->up) {
- status = switch_core_session_read_video_frame(session, &read_frame, SWITCH_IO_FLAG_NONE, 0);
-
- if (!SWITCH_READ_ACCEPTABLE(status)) {
- break;
- }
-
- if (switch_test_flag(read_frame, SFF_CNG)) {
- continue;
- }
-
- bytes = read_frame->datalen;
-
- if (bytes > 2000) {
- switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "xxxxxxxx buffer overflow\n");
- continue;
- }
-
- hdr = read_frame->data;
- fragment_type = hdr[0] & 0x1f;
- nal_type = hdr[1] & 0x1f;
- start_bit = hdr[1] & 0x80;
- iframe = (((fragment_type == 28 || fragment_type == 29) && nal_type == 5 && start_bit == 128) || fragment_type == 5 || fragment_type ==7 || fragment_type ==8) ? 1 : 0;
-
-#if 0
- switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "%02x %02x %02x | len:%d m:%d st:%d i:%d\n", hdr[0], hdr[1], hdr[2], bytes, read_frame->m, start_bit, iframe);
-#endif
-
- // echo back
- switch_core_session_write_video_frame(session, read_frame, SWITCH_IO_FLAG_NONE, 0);
-
- if (fragment_type == 7 && !sps_set) { //sps
- sps = malloc(bytes);
- memcpy(sps, read_frame->data, bytes);
- sps_set = 1;
-
- switch_mutex_lock(eh->mutex);
-
- init_video_track(mp4, &video, read_frame);
- if (video == MP4_INVALID_TRACK_ID) {
- switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error add video track!\n");
- switch_mutex_unlock(eh->mutex);
- goto end;
- }
-
- switch_mutex_unlock(eh->mutex);
- continue;
- } else if (fragment_type == 8 && !pps_set) { //pps
- switch_mutex_lock(eh->mutex);
- MP4AddH264PictureParameterSet(mp4, video, read_frame->data, bytes);
- switch_mutex_unlock(eh->mutex);
- pps_set = 1;
- // continue;
- }
-
- if ((!sps_set) && (!pps_set)) {
- switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Waiting for SPS/PPS\n");
- // continue;
- }
-
- len += 4 + read_frame->datalen;
-
- if (len > 40960) {
- switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "buffer overflow!!!! %d\n", len);
- len = 0;
- size = (uint32_t *)buf;
- continue;
- }
-
- *size = htonl(read_frame->datalen);
- memcpy(size + 1, read_frame->data, read_frame->datalen);
-
- size = (uint32_t *)((uint8_t *)size + 4 + read_frame->datalen);
-
- if (read_frame->m) {
- int duration = 0;
-
- switch_mutex_lock(eh->mutex);
- if (!eh->timer.interval) {
- switch_core_timer_init(&eh->timer, "soft", 1, 1, switch_core_session_get_pool(session));
- switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "init timer\n");
- } else {
- switch_core_timer_sync(&eh->timer);
- }
- switch_mutex_unlock(eh->mutex);
-
- if (eh->last_pts) {
- duration = eh->timer.samplecount - eh->last_pts;
- }
- eh->last_pts = eh->timer.samplecount;
-
- switch_mutex_lock(eh->mutex);
- MP4WriteSample(mp4, video, buf, len, duration, 0, iframe);
- switch_mutex_unlock(eh->mutex);
- len = 0;
- size = (uint32_t *)buf;
- }
-
- }
-
-end:
- eh->up = 0;
- return;
-}
-
-SWITCH_STANDARD_APP(record_mp4_function)
-{
- switch_status_t status;
- switch_frame_t *read_frame;
- switch_channel_t *channel = switch_core_session_get_channel(session);
- struct record_helper eh = { 0 };
- MP4FileHandle fd;
- MP4TrackId audio;
- switch_mutex_t *mutex = NULL;
- switch_codec_implementation_t read_impl = { 0 };
- switch_dtmf_t dtmf = { 0 };
- int count = 0, sanity = 30;
- switch_codec_t codec;
- int duration = 0;
- switch_event_t *event;
-
- memset(&codec, 0, sizeof(switch_codec_t));
-
- switch_channel_answer(channel);
- switch_core_session_get_read_impl(session, &read_impl);
-
- switch_channel_set_variable(channel, SWITCH_PLAYBACK_TERMINATOR_USED, "");
-
- while (switch_channel_up(channel) && !switch_channel_test_flag(channel, CF_VIDEO)) {
- switch_yield(10000);
-
- if (count) count--;
-
- if (count == 0) {
- switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_INFO, "%s waiting for video.\n", switch_channel_get_name(channel));
- count = 100;
- if (!--sanity) {
- switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_WARNING, "%s timeout waiting for video.\n",
- switch_channel_get_name(channel));
- switch_channel_set_variable(channel, SWITCH_CURRENT_APPLICATION_RESPONSE_VARIABLE, "Got timeout while waiting for video");
- return;
- }
- }
- }
-
- if (!switch_channel_ready(channel)) {
- switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_CRIT, "%s not ready.\n", switch_channel_get_name(channel));
- switch_channel_set_variable(channel, SWITCH_CURRENT_APPLICATION_RESPONSE_VARIABLE, "Channel not ready");
- return;
- }
-
- if ((fd = MP4CreateEx((char*)data, 0, 1, 1, NULL, 0, NULL, 0)) == MP4_INVALID_FILE_HANDLE) {
- switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_CRIT, "Error opening file %s\n", (char *) data);
- switch_channel_set_variable(channel, SWITCH_CURRENT_APPLICATION_RESPONSE_VARIABLE, "Got error while opening file");
- return;
- }
-
- audio = MP4AddULawAudioTrack(fd, read_impl.samples_per_second);
- MP4SetTrackIntegerProperty(fd, audio, "mdia.minf.stbl.stsd.ulaw.channels", read_impl.number_of_channels);
- MP4SetTrackIntegerProperty(fd, audio, "mdia.minf.stbl.stsd.ulaw.sampleSize", 8);
-
- // audio = MP4AddAACAudioTrack(fd, 8000);
- // audio = MP4AddAudioTrack(fd, 8000, MP4_INVALID_DURATION, MP4_MPEG4_AUDIO_TYPE);
-
- // MP4SetTrackIntegerProperty(fd, audio, "mdia.minf.stbl.stsd.aac.channels", 1);
- // MP4SetTrackIntegerProperty(fd, audio, "mdia.minf.stbl.stsd.aac.sampleSize", 8);
-
- switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "ms: %d, ts: %d\n", read_impl.microseconds_per_packet, read_impl.samples_per_second /(read_impl.microseconds_per_packet / 1000) / 2);
-
- /* MP4SetAudioProfileLevel sets the minumum profile/level of MPEG-4 audio support necessary to render the contents of the file.
- ISO/IEC 14496-1:2001 MPEG-4 Systems defines the following values:
- 0x00 Reserved
- 0x01 Main Profile @ Level 1
- 0x02 Main Profile @ Level 2
- 0x03 Main Profile @ Level 3
- 0x04 Main Profile @ Level 4
- 0x05 Scalable Profile @ Level 1
- 0x06 Scalable Profile @ Level 2
- 0x07 Scalable Profile @ Level 3
- 0x08 Scalable Profile @ Level 4
- 0x09 Speech Profile @ Level 1
- 0x0A Speech Profile @ Level 2
- 0x0B Synthesis Profile @ Level 1
- 0x0C Synthesis Profile @ Level 2
- 0x0D Synthesis Profile @ Level 3
- 0x0E-0x7F Reserved
- 0x80-0xFD User private
- 0xFE No audio profile specified
- 0xFF No audio required
- */
- // MP4SetAudioProfileLevel(fd, 0x7F);
- MP4SetAudioProfileLevel(fd, 0x0F);
- if (0) {
- // uint8_t c[] = {0x15, 0x88}; // 00010 1011 0001 000
- uint8_t c[] = {0x12, 0x08}; // 00010 0100 0001 000
- MP4SetTrackESConfiguration(fd, audio, c, sizeof(c));
- }
-
- if (read_impl.ianacode != 0) {
- if (switch_core_codec_init(&codec,
- "PCMU",
- NULL,
- NULL,
- read_impl.samples_per_second,
- read_impl.microseconds_per_packet / 1000,
- read_impl.number_of_channels, SWITCH_CODEC_FLAG_ENCODE | SWITCH_CODEC_FLAG_DECODE,
- NULL, switch_core_session_get_pool(session)) == SWITCH_STATUS_SUCCESS) {
- switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Audio Codec Activation Success\n");
- } else {
- switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Audio Codec Activation Fail\n");
- switch_channel_set_variable(channel, SWITCH_CURRENT_APPLICATION_RESPONSE_VARIABLE, "Audio codec activation failed");
- goto end;
- }
- switch_core_session_set_read_codec(session, &codec);
- }
-
- if (switch_channel_test_flag(channel, CF_VIDEO)) {
- switch_codec_implementation_t video_read_impl = { 0 };
-
- switch_core_session_get_video_read_impl(session, &video_read_impl);
-
- if (video_read_impl.iananame && (!strcasecmp(video_read_impl.iananame, "H264"))) {
- switch_channel_set_flag(channel, CF_VIDEO_PASSIVE);
- switch_channel_set_flag(channel, CF_VIDEO_READY);
-
- switch_mutex_init(&mutex, SWITCH_MUTEX_NESTED, switch_core_session_get_pool(session));
- eh.mutex = mutex;
- eh.fd = fd;
- switch_core_media_start_video_function(session, record_video_thread, &eh);
- } else {
- switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "only H264 video is supported, you have %s\n", video_read_impl.iananame);
- switch_channel_set_flag(channel, CF_VIDEO_ECHO);
- switch_channel_set_flag(channel, CF_VIDEO_READY);
- }
- }
-
- if (switch_event_create(&event, SWITCH_EVENT_RECORD_START) == SWITCH_STATUS_SUCCESS) {
- switch_channel_event_set_data(channel, event);
- switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "Record-File-Path", (char *)data);
- switch_event_fire(&event);
- }
-
- while (switch_channel_ready(channel)) {
- status = switch_core_session_read_frame(session, &read_frame, SWITCH_IO_FLAG_SINGLE_READ, 0);
-
- if (switch_channel_test_flag(channel, CF_BREAK)) {
- switch_channel_clear_flag(channel, CF_BREAK);
- eh.up = 0;
- break;
- }
-
- switch_ivr_parse_all_events(session);
-
- //check for dtmf interrupts
- if (switch_channel_has_dtmf(channel)) {
- const char * terminators = switch_channel_get_variable(channel, SWITCH_PLAYBACK_TERMINATORS_VARIABLE);
- switch_channel_dequeue_dtmf(channel, &dtmf);
-
- if (terminators && !strcasecmp(terminators, "none")) {
- terminators = NULL;
- }
-
- if (terminators && strchr(terminators, dtmf.digit)) {
- char sbuf[2] = {dtmf.digit, '\0'};
- switch_channel_set_variable(channel, SWITCH_PLAYBACK_TERMINATOR_USED, sbuf);
- eh.up = 0;
- break;
- }
- }
-
- if (!SWITCH_READ_ACCEPTABLE(status)) {
- eh.up = 0;
- break;
- }
-
- switch_core_session_write_frame(session, read_frame, SWITCH_IO_FLAG_NONE, 0);
-
- if (switch_test_flag(read_frame, SFF_CNG)) {
- // switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "cng, datalen:%d\n", read_frame->datalen);
- continue;
- // memset(read_frame->data, 0x0, 160);
- }
-
- if (mutex) switch_mutex_lock(mutex);
-
- if (!eh.timer.interval) {
- switch_core_timer_init(&eh.timer, "soft", 1, 1, switch_core_session_get_pool(session));
- switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "init timer\n");
- }
-
- duration = read_frame->datalen / read_impl.number_of_channels;
-
- switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "%d %d\n", duration, read_frame->datalen);
-
- MP4WriteSample(fd, audio, read_frame->data, read_frame->datalen, duration, 0, 1);
-
- if (mutex) switch_mutex_unlock(mutex);
- }
-
- switch_channel_set_variable(channel, SWITCH_CURRENT_APPLICATION_RESPONSE_VARIABLE, "OK");
-
- if (switch_event_create(&event, SWITCH_EVENT_RECORD_STOP) == SWITCH_STATUS_SUCCESS) {
- switch_channel_event_set_data(channel, event);
- switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "Record-File-Path", (char *)data);
- switch_event_fire(&event);
- }
-
-end:
-
- if (eh.up) {
- while (eh.up) {
- switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "waiting video thread to be done ...\n");
- switch_yield(100000);
- switch_cond_next();
- }
- }
-
- if (eh.timer.interval) {
- switch_core_timer_destroy(&eh.timer);
- }
-
- switch_core_media_end_video_function(session);
- switch_channel_clear_flag(channel, CF_VIDEO_PASSIVE);
-
- switch_core_session_set_read_codec(session, NULL);
-
- if (fd != MP4_INVALID_FILE_HANDLE) {
- switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "closing file %s\n", (char *)data);
- MP4Close(fd, 0);
- }
-
- if (switch_core_codec_ready(&codec)) switch_core_codec_destroy(&codec);
-}
-
-// SWITCH_STANDARD_APP(play_mp4_function)
-// {
-
-// }
-
static inline char *get_audio_codec_name(uint8_t audio_type)
{
switch (audio_type) {
}
struct mp4_file_context {
+ switch_file_handle_t *handle;
switch_memory_pool_t *pool;
MP4FileHandle fd;
MP4TrackId audio;
MP4TrackId video;
+ uint32_t audio_frame_size;
switch_codec_t audio_codec;
switch_codec_t video_codec;
switch_mutex_t *mutex;
switch_buffer_t *buf;
+ uint32_t last_chunk_size;
int sps_set;
int pps_set;
switch_timer_t timer;
int audio_start;
uint8_t audio_type; // MP4 Audio Type
MP4Duration audio_duration;
- switch_image_t *last_img;
+ switch_thread_t *video_thread;
+ switch_queue_t *video_queue;
};
typedef struct mp4_file_context mp4_file_context_t;
+static switch_status_t do_write_video(switch_file_handle_t *handle, switch_frame_t *frame);
+
+static void *SWITCH_THREAD_FUNC video_write_thread_run(switch_thread_t *thread, void *obj)
+{
+ mp4_file_context_t *context = (mp4_file_context_t *)obj;
+ void *pop = NULL;
+ switch_image_t *last_img = NULL;
+ switch_status_t status = SWITCH_STATUS_SUCCESS;
+ switch_status_t encode_status = SWITCH_STATUS_SUCCESS;
+ uint8_t data[SWITCH_DEFAULT_VIDEO_SIZE];
+
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "video_write_thread start\n");
+
+ while (switch_queue_pop(context->video_queue, &pop) == SWITCH_STATUS_SUCCESS) {
+ switch_frame_t frame = { 0 };
+
+ if (!pop) break;
+
+ if (!last_img) { // first img
+ last_img = (switch_image_t *)pop;
+ continue;
+ }
+
+ frame.data = data;
+ frame.img = last_img;
+ // switch_set_flag(&frame, SFF_DYNAMIC);
+
+ do {
+ frame.datalen = SWITCH_DEFAULT_VIDEO_SIZE;
+ encode_status = switch_core_codec_encode_video(&context->video_codec, &frame);
+
+ if (encode_status == SWITCH_STATUS_SUCCESS || encode_status == SWITCH_STATUS_MORE_DATA) {
+ switch_assert((encode_status == SWITCH_STATUS_SUCCESS && frame.m) || !frame.m);
+
+ if (frame.datalen == 0) break;
+
+ status = do_write_video(context->handle, &frame);
+ }
+ } while(status == SWITCH_STATUS_SUCCESS && encode_status == SWITCH_STATUS_MORE_DATA);
+
+ switch_img_free(&last_img);
+ last_img = (switch_image_t *)pop;
+ }
+
+ switch_img_free(&last_img);
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "video_write_thread done\n");
+
+ return NULL;
+}
+
+static void launch_video_write_thread(mp4_file_context_t *context, switch_memory_pool_t *pool)
+{
+ //switch_thread_t *thread;
+ switch_threadattr_t *thd_attr = NULL;
+
+ switch_threadattr_create(&thd_attr, pool);
+ switch_threadattr_detach_set(thd_attr, 1);
+ switch_threadattr_stacksize_set(thd_attr, SWITCH_THREAD_STACKSIZE);
+ // switch_threadattr_priority_set(thd_attr, SWITCH_PRI_REALTIME);
+ switch_thread_create(&context->video_thread, thd_attr, video_write_thread_run, context, pool);
+}
+
+
+static int flush_video_queue(switch_queue_t *q, int min)
+{
+ void *pop;
+
+ if (switch_queue_size(q) > min) {
+ while (switch_queue_trypop(q, &pop) == SWITCH_STATUS_SUCCESS) {
+ switch_image_t *img = (switch_image_t *) pop;
+ switch_img_free(&img);
+ if (min && switch_queue_size(q) <= min) {
+ break;
+ }
+ }
+ }
+
+ return switch_queue_size(q);
+}
+
static switch_status_t mp4_file_open(switch_file_handle_t *handle, const char *path)
{
mp4_file_context_t *context;
memset(context, 0, sizeof(mp4_file_context_t));
- context->offset = -100;
+ context->handle = handle;
+ context->offset = 0;
+
if (handle->params && (tmp = switch_event_get_header(handle->params, "mp4v2_video_offset"))) {
context->offset = atoi(tmp);
}
flags |= SWITCH_FOPEN_READ;
}
+ if (handle->mm.samplerate) {
+ handle->samplerate = handle->mm.samplerate;
+ } else {
+ handle->mm.samplerate = handle->samplerate;
+ }
+
+ if (!handle->mm.ab) {
+ handle->mm.ab = 128;
+ }
+
+ if (!handle->mm.vb) {
+ handle->mm.vb = switch_calc_bitrate(handle->mm.vw, handle->mm.vh, 1, handle->mm.fps);
+ }
+
+ // MP4_CREATE_64BIT_DATA if file > 4G
+
if ((context->fd = MP4CreateEx(path, 0, 1, 1, NULL, 0, NULL, 0)) == MP4_INVALID_FILE_HANDLE) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Error opening file %s\n", path);
return SWITCH_STATUS_GENERR;
info |= handle->channels << 3; //(4bit)
info = htons(info);
- context->audio = MP4AddAudioTrack(context->fd, handle->samplerate, handle->samplerate, MP4_MPEG4_AUDIO_TYPE);
+ context->audio = MP4AddAudioTrack(context->fd, handle->samplerate, 1024, MP4_MPEG4_AUDIO_TYPE);
MP4SetTrackESConfiguration(context->fd, context->audio, (uint8_t *)&info, sizeof(info));
MP4SetTrackIntegerProperty(context->fd, context->audio, "mdia.minf.stbl.stsd.mp4a.channels", handle->channels);
}
NULL,
NULL,
handle->samplerate,
- 20,//ms
+ PTIME,//ms
handle->channels, SWITCH_CODEC_FLAG_ENCODE,
NULL, handle->memory_pool) == SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Audio Codec Activation Success\n");
goto end;
}
+ if (context->audio_type == MP4_MP3_AUDIO_TYPE) { // fetch frame size
+ uint32_t size;
+ uint32_t flag = 0xFFFFFFFF;
+
+ switch_core_codec_encode(&context->audio_codec, NULL, &flag, 0, 0,
+ (void *)&context->audio_frame_size, &size, NULL, &flag);
+ } else if (context->audio_type == MP4_MPEG4_AUDIO_TYPE) {
+ context->audio_frame_size = 1024;
+ }
+
if (switch_test_flag(handle, SWITCH_FILE_FLAG_VIDEO)) {
+ switch_codec_settings_t codec_settings = {{ 0 }};
+ codec_settings.video.bandwidth = handle->mm.vb;
+ codec_settings.video.fps = handle->mm.fps;
+
if (switch_core_codec_init(&context->video_codec,
"H264",
NULL,
90000,
0,//ms
1, SWITCH_CODEC_FLAG_ENCODE,
- NULL, handle->memory_pool) == SWITCH_STATUS_SUCCESS) {
+ &codec_settings, handle->memory_pool) == SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Video Codec H264 Activation Success\n");
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Video Codec H264 Activation Fail\n");
goto end;
}
+
+ switch_queue_create(&context->video_queue, 60, handle->memory_pool);
+ launch_video_write_thread(context, handle->memory_pool);
}
if (switch_test_flag(handle, SWITCH_FILE_FLAG_WRITE)) {
static switch_status_t mp4_file_close(switch_file_handle_t *handle)
{
mp4_file_context_t *context = handle->private_info;
+ switch_status_t status;
if (context->fd) {
- MP4Close(context->fd, 0);
+ MP4Close(context->fd, MP4_CLOSE_DO_NOT_COMPUTE_BITRATE);
context->fd = NULL;
}
switch_core_timer_destroy(&context->timer);
}
- switch_img_free(&context->last_img);
+ if (context->video_queue) {
+ switch_queue_term(context->video_queue);
+ flush_video_queue(context->video_queue, 0);
+ }
+
+ if (context->video_thread) {
+ switch_thread_join(&status, context->video_thread);
+ }
+
switch_buffer_destroy(&context->buf);
return SWITCH_STATUS_SUCCESS;
uint32_t encoded_rate;
mp4_file_context_t *context = handle->private_info;
uint32_t size = 0;
-
- context->audio_duration += *len;
-
+ uint32_t flag = 0;
if (context->audio_type == MP4_PCM16_LITTLE_ENDIAN_AUDIO_TYPE) {
size = datalen;
switch_core_codec_encode(&context->audio_codec, NULL,
data, datalen,
handle->samplerate,
- buf, &size, &encoded_rate, NULL);
+ buf, &size, &encoded_rate, &flag);
}
switch_mutex_lock(context->mutex);
if (!context->timer.interval) {
switch_core_timer_init(&context->timer, "soft", 1, 1, context->pool);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "init timer\n");
- } else if(!context->audio_start) { // try make up some sampels if the video already start
- int i, count;
- uint8_t buf0[SWITCH_RECOMMENDED_BUFFER_SIZE] = { 0 };
-
- context->audio_start++;
- switch_core_timer_sync(&context->timer);
-
- count = context->timer.samplecount - context->offset;
-
- if (count > 0) {
- count /= *len;
- }
-
- if (context->audio_type != MP4_ULAW_AUDIO_TYPE) {
- count = 0; // todo: make this feature work for mp3/aac
- }
-
- if (count){
- switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "video is short, make up %lu samples\n", count * (*len));
- MP4WriteSample(context->fd, context->audio, buf0, size, 0, 0, 1);
- }
-
- for (i = 1; i < count; i++) {
- MP4WriteSample(context->fd, context->audio, buf0, size, *len, 0, 1);
- }
}
- if (context->audio_type == MP4_MPEG4_AUDIO_TYPE && size == 0) {
- // don't write 0
- } else {
- MP4WriteSample(context->fd, context->audio, buf, size, context->audio_duration, 0, 1);
- context->audio_duration = 0;
+ if (size > 0) {
+ MP4WriteSample(context->fd, context->audio, buf, size, context->audio_frame_size ? context->audio_frame_size : *len, 0, 1);
}
+ context->audio_duration += *len;
+
switch_mutex_unlock(context->mutex);
return status;
uint8_t fragment_type;
uint8_t nal_type;
uint8_t start_bit;
+ uint8_t end_bit;
mp4_file_context_t *context = handle->private_info;
hdr = (uint8_t *)frame->data;
fragment_type = hdr[0] & 0x1f;
nal_type = hdr[1] & 0x1f;
start_bit = hdr[1] & 0x80;
- is_iframe = (((fragment_type == 28 || fragment_type == 29) && nal_type == 5 && start_bit == 128) || fragment_type == 5 || fragment_type ==7 || fragment_type ==8) ? 1 : 0;
+ end_bit = hdr[1] & 0x40;
- // switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "%02x %02x %02x | len:%d m:%d st:%d i:%d\n", hdr[0], hdr[1], hdr[2], datalen, frame->m, start_bit, is_iframe);
+ is_iframe = fragment_type == 5 || (fragment_type == 28 && nal_type == 5);
- size = htonl(datalen);
- switch_buffer_write(context->buf, &size, 4);
- switch_buffer_write(context->buf, hdr, datalen);
-
- switch_mutex_lock(context->mutex);
+ // switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "%02x %02x %02x | len:%d m:%d st:%d i:%d\n", hdr[0], hdr[1], hdr[2], datalen, frame->m, start_bit, is_iframe);
if (fragment_type == 7 && !context->sps_set) { //sps
context->sps_set = 1;
init_video_track(context->fd, &context->video, frame);
if (context->video == MP4_INVALID_TRACK_ID) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error add video track!\n");
- switch_goto_status(SWITCH_STATUS_FALSE, end);
+ return SWITCH_STATUS_FALSE;
}
} else if (fragment_type == 8 && context->sps_set && !context->pps_set) { //pps
MP4AddH264PictureParameterSet(context->fd, context->video, hdr, datalen);
context->pps_set = 1;
}
- if (nal_type == 7 || nal_type == 8 || frame->m == 0) {
- } else if (context->sps_set && context->pps_set) {
+ if (fragment_type == 28) {
+ if (start_bit && end_bit) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "WTF?\n");
+ }
+
+ if (start_bit) {
+ nal_type |= (hdr[0] & 0x60);
+
+ size = htonl(datalen);
+ switch_buffer_write(context->buf, &size, 4);
+ switch_buffer_write(context->buf, &nal_type, 1);
+ switch_buffer_write(context->buf, hdr + 2, datalen - 2);
+ context->last_chunk_size = datalen - 1;
+ } else if (end_bit) {
+ uint32_t used;
+ const void *data;
+ uint32_t *chunk_size = NULL;
+
+ switch_buffer_write(context->buf, hdr + 2, datalen - 2);
+ context->last_chunk_size += datalen - 2;
+ used = switch_buffer_inuse(context->buf);
+ switch_buffer_peek_zerocopy(context->buf, &data);
+ chunk_size = (uint32_t *)((uint8_t *)data + used - context->last_chunk_size - 4);
+ *chunk_size = htonl(context->last_chunk_size);
+ } else {
+ switch_buffer_write(context->buf, hdr + 2, datalen - 2);
+ context->last_chunk_size += datalen - 2;
+ }
+ } else {
+ size = htonl(datalen);
+ switch_buffer_write(context->buf, &size, 4);
+ switch_buffer_write(context->buf, hdr, datalen);
+ }
+
+ if (!frame->m) {
+ return SWITCH_STATUS_SUCCESS;
+ }
+
+ switch_mutex_lock(context->mutex);
+
+ if (context->sps_set && context->pps_set) {
uint32_t used = switch_buffer_inuse(context->buf);
const void *data;
int duration = 0;
+ int ts = 0;
- if (!context->timer.interval) {
- switch_core_timer_init(&context->timer, "soft", 1, 1, context->pool);
- switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "init timer\n");
+ if (frame->img && frame->img->user_priv) {
+ ts = *(int *)frame->img->user_priv;
} else {
switch_core_timer_sync(&context->timer);
+ ts = context->timer.samplecount;
}
- duration = context->timer.samplecount - context->last_pts;
+ duration = ts - context->last_pts;
+
+ if (duration <= 0) duration = 1;
// switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "samplecount: %u, duration: %u\n", context->timer.samplecount, duration);
switch_buffer_peek_zerocopy(context->buf, &data);
- if (context->last_pts == 0) { // first img, write at the very beginning so we don't see blank screen
- duration /= 2;
- MP4WriteSample(context->fd, context->video, data, used, duration, 0, is_iframe);
+ context->last_pts = ts;
- if (duration > context->offset) {
- duration -= context->offset;
- } else {
- duration = 0;
- }
- }
+ MP4WriteSample(context->fd, context->video, data, used, duration, 0, is_iframe);
+ switch_buffer_zero(context->buf);
+ }
- context->last_pts = context->timer.samplecount;
+ switch_mutex_unlock(context->mutex);
- // switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "samplecount: %u, duration: %u\n", context->timer.samplecount, duration);
+ {
+ int delta = context->timer.samplecount * (handle->samplerate / 1000) - context->audio_duration;
- if (duration) {
- MP4WriteSample(context->fd, context->video, data, used, duration, 0, is_iframe);
+ if (delta > (int)handle->samplerate) {
+ uint8_t data[SWITCH_RECOMMENDED_BUFFER_SIZE] = { 0 };
+ size_t samples = handle->samplerate / 1000 * PTIME;
+
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "missed audio %d samples at %d\n", delta, (int)context->audio_duration / (handle->samplerate / 1000));
+
+ while ((delta -= samples) > 0) {
+ mp4_file_write(handle, data, &samples);
+ samples = handle->samplerate / 1000 * PTIME;
+ }
}
- switch_buffer_zero(context->buf);
}
-end:
- switch_mutex_unlock(context->mutex);
-
return status;
}
static switch_status_t mp4_file_write_video(switch_file_handle_t *handle, switch_frame_t *frame)
{
- switch_status_t status = SWITCH_STATUS_SUCCESS;
- switch_status_t encode_status = SWITCH_STATUS_SUCCESS;
mp4_file_context_t *context = handle->private_info;
if (!frame->img) {
return do_write_video(handle, frame);
} else {
- switch_frame_t eframe = { 0 };
- uint8_t data[SWITCH_RECOMMENDED_BUFFER_SIZE];
-
+ switch_image_t *img = NULL;
- if (!context->last_img) {
- switch_img_copy(frame->img, &context->last_img);
- return status;
+ if (!context->timer.interval) {
+ switch_mutex_lock(context->mutex);
+ switch_core_timer_init(&context->timer, "soft", 1, 1, context->pool);
+ switch_mutex_unlock(context->mutex);
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "init timer\n");
+ } else {
+ switch_mutex_lock(context->mutex);
+ switch_core_timer_sync(&context->timer);
+ switch_mutex_unlock(context->mutex);
}
- eframe.data = data + 12;
- eframe.datalen = SWITCH_RECOMMENDED_BUFFER_SIZE - 12;
- eframe.img = context->last_img;
- do {
- frame->datalen = SWITCH_DEFAULT_VIDEO_SIZE;
- encode_status = switch_core_codec_encode_video(&context->video_codec, &eframe);
+ switch_img_copy(frame->img, &img);
+ switch_assert(img);
+ img->user_priv = malloc(sizeof(int));
+ *(int *)img->user_priv = context->timer.samplecount;
- if (encode_status == SWITCH_STATUS_SUCCESS || encode_status == SWITCH_STATUS_MORE_DATA) {
- switch_assert((encode_status == SWITCH_STATUS_SUCCESS && eframe.m) || !eframe.m);
- if (eframe.datalen > 0) status = do_write_video(handle, &eframe);
- }
- } while(status == SWITCH_STATUS_SUCCESS && encode_status == SWITCH_STATUS_MORE_DATA);
+ if (switch_queue_trypush(context->video_queue, img) != SWITCH_STATUS_SUCCESS) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "video queue full, discard one frame\n");
+ }
}
- switch_img_copy(frame->img, &context->last_img);
-
- return status;
+ return SWITCH_STATUS_SUCCESS;
}
static switch_status_t mp4_file_set_string(switch_file_handle_t *handle, switch_audio_col_t col, const char *string)
return SWITCH_STATUS_FALSE;
}
-static char *supported_formats[2] = { 0 };
+static char *supported_formats[3] = { 0 };
SWITCH_MODULE_LOAD_FUNCTION(mod_mp4v2_load)
{
- switch_application_interface_t *app_interface;
switch_file_interface_t *file_interface;
- supported_formats[0] = "mp4";
+ supported_formats[0] = "mp4v2";
+ supported_formats[1] = "mp4";
/* connect my internal structure to the blank pointer passed to me */
*module_interface = switch_loadable_module_create_module_interface(pool, modname);
file_interface->file_set_string = mp4_file_set_string;
file_interface->file_get_string = mp4_file_get_string;
- // SWITCH_ADD_APP(app_interface, "play_mp4", "play an mp4 file", "play an mp4 file", play_mp4_function, "<file>", SAF_NONE);
- SWITCH_ADD_APP(app_interface, "record_mp4", "record an mp4 file", "record an mp4 file", record_mp4_function, "<file>", SAF_NONE);
-
/* indicate that the module should continue to be loaded */
return SWITCH_STATUS_SUCCESS;
}