fcplay: Add restart continuous playback strategy

The restart mode can be requested with -p2 which will result an
open->config->start->drain->close sequence for each of the files.

Closes: https://github.com/alsa-project/tinycompress/pull/33
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

diff --git a/src/utils-lgpl/fcplay.c b/src/utils-lgpl/fcplay.c
index 9756f73cff1321a96edaac9f6afbbf1695b52e91..94276e90bd5d753da1c447c72e985042e754a049 100644 (file)
--- a/src/utils-lgpl/fcplay.c
+++ b/src/utils-lgpl/fcplay.c
@@ -27,6 +27,7 @@ static int verbose;
 enum continuous_playback_mode {
        PLAYBACK_MODE_NOP     = 0, /* sequential: files are streamed continuously */
        PLAYBACK_MODE_GAPLESS = 1, /* gapless: uses kernel gapless API */
+       PLAYBACK_MODE_RESTART = 2, /* restart: compress device is drained, closed and reopened between tracks */
 };
 
 static const struct {
@@ -66,6 +67,7 @@ static void usage(void)
                "-p\tcontinuous playback mode:\n"
                "\t  0 = NOP (default): files streamed continuously\n"
                "\t  1 = gapless: kernel gapless API, no audible gap\n"
+               "\t  2 = restart: compress device drained and reopened between tracks\n"
                "-g\t(deprecated) equivalent to -p 0/1\n"
                "-v\tverbose mode\n"
                "-h\tPrints this help list\n\n"
@@ -476,6 +478,27 @@ void play_samples(char **files, unsigned int card, unsigned int device,
                                rc = compress_partial_drain(compress);
                                if (rc)
                                        fprintf(stderr, "ERR: partial drain\n");
+                       } else if (pb_mode == PLAYBACK_MODE_RESTART) {
+                               /* restart: drain, close, and reopen for the new file */
+                               compress_drain(compress);
+                               compress_close(compress);
+                               free(buffer);
+
+                               parse_file(name, &codec);
+                               compress = compress_open_and_prepare(card, device, &codec,
+                                                                    buffer_size, name,
+                                                                    file, &buffer, &size);
+                               if (!compress)
+                                       goto FILE_EXIT;
+
+                               printf("Playing file %s On Card %u device %u, with buffer of %lu bytes\n",
+                                       name, card, device, buffer_size);
+                               printf("Format %u Channels %u, %u Hz, Bit Rate %d\n",
+                                       codec.id, codec.ch_in, codec.sample_rate, codec.bit_rate);
+
+                               compress_start(compress);
+                               if (verbose)
+                                       printf("%s: You should hear audio NOW!!!\n", __func__);
                        }
                }